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Journal articles on the topic 'Accessory ostium'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Ioniţă, C., I. Bulescu, Alexandra Schnaider, B. Mocanu, Vlad Andrei Budu, and Diana Cojocaru. "Accessory ostium of the maxilar sinus." ORL.ro 1, no. 1 (2016): 14–16. http://dx.doi.org/10.26416/orl.30.1.2016.520.

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Maxillary sinus ostium may be located anywhere along the ethmoid infundibulum (middle meatus). In rhinosinusal pathology we may find an accessory ostium of the maxillary sinus due to chronic inflammations or after previous endoscopic sinus surgery. Existence of the accessory ostium leads to a recirculation mechanism of sinus secretions and a very difficult to treat rhinosinusal simptomatology. For every patient with this pathology we performed an endoscopic exam of the nose and a rhinosinusal CT scan. Treatment is strictly surgical by creating a unique ostium (consisting of both primary and a

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2

Hatice, Baran, and Evman Melis Demirağ. "Radiologic evaluation of paranasal anomalies in the presence of accessory maxillary ostium in pediatric patients." Chronicles of Precision Medical Researchers 4, no. 3 (2023): 275–80. https://doi.org/10.5281/zenodo.10019770.

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Aim: Accessory maxillary ostium may have anembryologic association with the variations aroundthe paranasal sinuses. This study aimed to investigatethe cross-sectional and developmental associations ofthe accessory maxillary ostium with various anatomicalvariations around the ostio-meatal complex andmaxillary sinus in children.Material and Method: Medical records and paranasalcomputed tomography sections of 457 patients aged3–17 years were reviewed retrospectively. The studygroup consisted of 184 patients with accessory maxillaryostium (AMO group), and the control group consisted of273 pa

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3

Patil, Manjula, and Manjunath KY. "Ostium maxillare accessorium - a morphologic study." National Journal of Clinical Anatomy 01, no. 04 (2012): 171–75. http://dx.doi.org/10.1055/s-0039-3401684.

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Abstract Background and aims : The "Osteomeatal complex" of the middle meatus contains the primary maxillary opening as well as in few cases the 'accessory maxillary ostia'. An ostium leading to maxillary sinus apart from the primary maxillary opening is defined as accessory maxillary ostia. Location of accessory maxillary ostia is more advantageous than primary maxillary opening. Accessory maxillary ostia can be utilized to approach the maxillary sinus in cases of difficulty in approaching the primary maxillary opening. The present study was undertaken to study the morphological variations of

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4

Chung, Seung-Kyu, Do Yeon Cho, and Hun Jong Dhong. "Computed Tomogram Findings of Mucous Recirculation between the Natural and Accessory Ostia of the Maxillary Sinus." American Journal of Rhinology 16, no. 5 (2002): 265–68. http://dx.doi.org/10.1177/194589240201600509.

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Background The phenomenon of recirculation involves the circulation of mucous secretion between the natural ostium and other openings and is observed mainly after surgery when the surgical opening is not connected. Methods Seven patients with a mucous stream transporting into an accessory ostium, as found during endoscopic examination, were entered into study. The coronal computed tomogram findings of the mucous recirculation were analyzed at three levels: anterior, middle, and posterior portion of it. Results The anterior portion was visualized at the level of the natural ostium in five patie

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5

Chung, S. K., H. J. Dhong, and D. G. Na. "Mucus circulation between accessory ostium and natural ostium of maxillary sinus." Journal of Laryngology & Otology 113, no. 9 (1999): 865–67. http://dx.doi.org/10.1017/s002221510014544x.

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AbstractWe report a case of one asymptomatic 28-year-old male with mucus circulation between the natural ostium and the accessory ostium of the maxillary sinus. Computerized tomography (CT) revealed a recirculating mucus ring between the two ostia of the maxillary sinus.

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6

Abuzeid, O., R. Raju, J. Hebert, and M. Abuzeid. "Surgical Management of Accessory Tubal Ostium." Journal of Minimally Invasive Gynecology 23, no. 7 (2016): S130. http://dx.doi.org/10.1016/j.jmig.2016.08.367.

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7

Mladina, Ranko, Neven Skitarelić, Cemal Cingi, and Nuray Bayar Muluk. "A paradigm shift: “Defect of the fontanel” instead of “Accessory ostium” and classified nasal septal deformities instead of “septal deviation”." Romanian Journal of Rhinology 8, no. 32 (2018): 219–23. http://dx.doi.org/10.2478/rjr-2018-0024.

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Abstract OBJECTIVES. The purpose of this article is to highlight some terms which have been ingrained in the rhinosinusology literature. MATERIAL AND METHODS. It regards the term “accessory ostium” and the term “septal deviation”. The well-known and deeply ingrained term “accessory ostium” has been widely used for decades, but essentially it is absolutely incorrect. “Septal deviation” is an inadequate term for the changes of the nasal septum form. RESULTS. From the linguistic point of view, “accessory” means something (or someone) which (or who) helps someone or gives support (to something or

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8

Mahajan, Anukaran, Anupama Mahajan, Karunesh Gupta, Pankaj Verma, and Monika Lalit. "ANATOMICAL VARIATIONS OF ACCESSORY MAXILLARY SINUS OSTIUM: AN ENDOSCOPIC STUDY." International Journal of Anatomy and Research 5, no. 1.2 (2017): 3484–90. http://dx.doi.org/10.16965/ijar.2016.504.

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9

Sindel, Alper. "An endoscopic cadaveric study: Accessory maxillary ostia." Dicle Medical Journal / Dicle Tıp Dergisi 41, no. 2 (2014): 262–67. http://dx.doi.org/10.5798/diclemedj.0921.2014.02.0413.

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10

Gutman, Michael, and Steve Houser. "Iatrogenic Maxillary Sinus Recirculation and Beyond." Ear, Nose & Throat Journal 82, no. 1 (2003): 61–63. http://dx.doi.org/10.1177/014556130308200118.

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Recirculation of nasal mucus occurs when secretions that have been transported out of the natural maxillary ostium return to the sinus via a surgically created or accessory ostium. Recirculation increases the risk of persistent sinus infection. In this article, we describe a case of mucus recirculation in a patient who had not responded to two previous sinus surgeries for recurrent rhino sinusitis. We also postulate the possibility of ethmoid recirculation.

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11

Chung, Seung-Kyu, Hun-Jong Dhong, and Byung-Chan Chang. "CT findings of accessory ostium of maxillary sinus." Otolaryngology–Head and Neck Surgery 121, no. 2_suppl (1999): P185. http://dx.doi.org/10.1016/s0194-5998(99)80336-2.

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12

Das, Barnali, Pinki Pratim Da, and K. L. Talukda. "Unilateral accessory pulmonary venous ostium: A case report." Journal of the Anatomical Society of India 66 (August 2017): S90—S91. http://dx.doi.org/10.1016/j.jasi.2017.08.285.

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13

Kawanishi, Yujiro, Hiroshi Tanaka, Keitaro Nakagiri, Teruo Yamashita, Kenji Okada, and Yutaka Okita. "Congenital Quadricuspid Aortic Valve Associated with Severe Regurgitation." Asian Cardiovascular and Thoracic Annals 16, no. 5 (2008): e40-e41. http://dx.doi.org/10.1177/021849230801600522.

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A 56-year-old man was referred because of severe aortic regurgitation. He had a quadricuspid aortic valve with a small accessory cusp between the right coronary and noncoronary cusps. The ostium of the right coronary artery was deviated toward the accessory cusp commissure. Aortic valve replacement was performed with a bioprosthesis. The resected cusps showed fibrotic thickening with calcification and fenestration.

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14

Orhan Soylemez, Umut Percem, and Basak Atalay. "Investigation of the accessory maxillary ostium: a congenital variation or acquired defect?" Dentomaxillofacial Radiology 50, no. 6 (2021): 20200575. http://dx.doi.org/10.1259/dmfr.20200575.

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Objective: We sought to determine whether an accessory maxillary ostium (AMO) is a congenital or acquired condition and we investigated concomitant sinus pathologies associated with this structure. Methods: Paranasal sinus CT examinations of individuals aged ≥13 years and <13 years were compared retrospectively. In total, 552 sinuses of 276 patients aged ≥13 years (Group 1) and 284 maxillary sinuses of 142 children aged <13 years (Group 2) were evaluated. Patients were classified as AMO-positive or -negative. The following features were evaluated in Group 1: AMO presence, mucus retention

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15

Kiu Ho, Joyce Pui, Eugene Wong, and Narinder Pal Singh. "Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium." European Journal of Rhinology and Allergy 3, no. 1 (2020): 23–25. http://dx.doi.org/10.5152/ejra.2020.227.

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16

Singhal, Manju, and Deepak Singhal. "Anatomy of accessory maxillary sinus ostium with clinical application." International Journal of Medical Science and Public Health 3, no. 3 (2014): 327. http://dx.doi.org/10.5455/ijmsph.2013.301220131.

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17

Choe, Goun, January E. Gelera, and Jeong-Whun Kim. "Case Series of Antrovestibular Polyp: An Unusual Growth of Antral Polyp Toward the Nasal Vestibule Through the Anterior Fontanelle." Journal of Rhinology 27, no. 1 (2020): 50–53. http://dx.doi.org/10.18787/jr.2019.00292.

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Background and Objectives: This case series is aimed to introduce a new term, antrovestibular polyp (AVP), for an antral polyp herniating anteriorly toward the nasal vestibule and to describe an antral polyp direction of growth through the anterior and posterior fontanelles.Materials and Method: This is a retrospective study involving review of patients who underwent surgery due to maxillary sinus polyp herniating anteriorly toward the nasal vestibular area or posteriorly toward the choana at a tertiary training hospital from January 2007 through July 2016. Their demographic data, computed tom

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18

Mirante, Joseph P., Dewey A. Christmas, and Eiji Yanagisawa. "Endoscopic View of an Obstructing Polyp of the Maxillary Sinus Ostium Viewed through an Accessory Ostium." Ear, Nose & Throat Journal 83, no. 11 (2004): 734–35. http://dx.doi.org/10.1177/014556130408301103.

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19

Do, Jiwon, and Jeong Joon Han. "Anatomical Characteristics of the Accessory Maxillary Ostium in Three-Dimensional Analysis." Medicina 58, no. 9 (2022): 1243. http://dx.doi.org/10.3390/medicina58091243.

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Background and Objectives: The accessory maxillary ostium (AMO) can interfere with ventilation and drainage of the maxillary sinus, and therefore the importance of evaluating the anatomical features of the AMO has been emphasized. This study aimed to evaluate anatomical characteristics of the AMO together with the natural ostium (NO) using three-dimensional (3D) analysis and to assess the relationship between the AMO and maxillary sinus pathologies. Materials and Methods: This retrospective study included 394 sinuses in 197 patients. Using 3D computed tomography images, the prevalence of the A

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20

Rajendiran, Devendiran, Mohanbabu Nagabooshanam, and Ravikumar Venugopal. "Cross-sectional observational study on accessory ostium of the maxillary sinus." Journal of Clinical and Scientific Research 12, no. 2 (2023): 88–92. http://dx.doi.org/10.4103/jcsr.jcsr_107_22.

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21

Zheng, X., X. Yu, X. Xie, et al. "The Clinical Significance of Subtle Distal Fallopian Tube Abnormalities: A Multicentre Prospective Observational Study." Facts, Views and Vision in ObGyn 16, no. 1 (2024): 67–73. http://dx.doi.org/10.52054/fvvo.16.1.007.

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Background: Subtle distal fallopian tube abnormalities are a group of diseases characterised by small variations in tubal anatomy. The clinical significance of these abnormalities need to be studied. Objectives: The purpose of this multicentre prospective observational study was to investigate whether subtle distal fallopian tube abnormalities are related to infertility and endometriosis. Materials and Methods: The investigation was carried out in five medical centres in China and France from February to July 2021 and included reproductive-age patients who underwent gynaecological laparoscopy.

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22

Li, Sen, Jian-ling Li, Jiang-nan Huang, et al. "Imaging Analysis During Adrenal Venous Sampling Operations." American Journal of Hypertension 34, no. 7 (2021): 775. http://dx.doi.org/10.1093/ajh/hpab013.

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Abstract Background To investigate the imaging anatomy and variations of bilateral adrenal veins to improve the success rate during adrenal venous sampling (AVS) and reduce the incidence of complications. Methods A total of 120 patients who underwent AVS from June 2017 to January 2019 were collected. RadiAnt Viewer software was used to retrospectively analyze the intraoperative imaging data, intraoperative anatomical variation data, the success rate, and complications of AVS. Results The ostium of the right adrenal vein was located mainly between the lower 1/3 of the 11th thoracic vertebra and

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23

Zheng, Xingbang, Hongjing Han, and Jing Guan. "Clinical features of fallopian tube accessory ostium and outcomes after laparoscopic treatment." International Journal of Gynecology & Obstetrics 129, no. 3 (2015): 260–63. http://dx.doi.org/10.1016/j.ijgo.2014.12.007.

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24

Pereira, Nigel, and Isaac Kligman. "Clinical implications of accessory fallopian tube ostium in endometriosis and primary infertility." Women's Health 12, no. 4 (2016): 404–6. http://dx.doi.org/10.1177/1745505716658897.

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25

Elwany, Samy, Ibraheim Elsaeid, and Hossam Thabet. "Endoscopic anatomy of the sphenoid sinus." Journal of Laryngology & Otology 113, no. 2 (1999): 122–26. http://dx.doi.org/10.1017/s0022215100143361.

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AbstractThe anatomy of the sphenoid sinus, as it relates to endoscopic sinus surgery, was studied in 93 cadaver heads (186 sphenoid sinuses) using endoscopic dissections as well as sagittal sections. The relationship of the sphenoid sinuses to the carotid artery, optic nerve, floor of sella turcica, as well as other important structures, were verified and discussed. The recesses of the sinus as well as its ostium and accessory septa and crests were described and their clinical importance was discussed. Pertinent measurements were included wherever appropriate.

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26

Barszcz, Karolina, Karolina Goździewska-Harłajczuk, Michał Czopowicz, Magdalena Chłopecka, Michał Polguj, and Joanna Klećkowska-Nawrot. "Morphometry and topography of the coronary ostia in the dog." Journal of Veterinary Research 67, no. 3 (2023): 471–78. http://dx.doi.org/10.2478/jvetres-2023-0054.

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Abstract Introduction The purpose of this study was to perform a morphometric examination of the coronary ostia, including their location in the area of the aortic sinuses, and to describe variations in ostia structure in the domestic dog. Material and Methods The study was conducted on the hearts of 91 pedigree dogs of both sexes, aged 1 to 18 years (median 9 years), with a body weight from 1.2 to 65 kg (median 20.7 kg). Morphometric examinations of the coronary ostia were performed in the studied individuals, and the location of the structures in relation to the intercommissural lines was de

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27

Na, Yang, Kyunghun Kim, Sung Kyun Kim, and Seung-Kyu Chung. "The quantitative effect of an accessory ostium on ventilation of the maxillary sinus." Respiratory Physiology & Neurobiology 181, no. 1 (2012): 62–73. http://dx.doi.org/10.1016/j.resp.2012.01.013.

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28

Ozel, Halil Erdem, Fatih Ozdogan, Erkan Esen, Meliha Gulden Genc, Selahattin Genc, and Adin Selcuk. "The association between septal deviation and the presence of a maxillary accessory ostium." International Forum of Allergy & Rhinology 5, no. 12 (2015): 1177–80. http://dx.doi.org/10.1002/alr.21610.

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29

Sternick, Eduardo Back, Mariana Faustino, Frederico Soares Correa, Cristiano Pisani, and Maurício Ibrahim Scanavacca. "Percutaneous Catheter Ablation of Epicardial Accessory Pathways." Arrhythmia & Electrophysiology Review 6, no. 2 (2017): 80. http://dx.doi.org/10.15420/aer.2017.6.2.

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Radiofrequency (RF) catheter ablation is the treatment of choice in patients with accessory pathways (APs) and Wolff–Parkinson–White syndrome. Endocardial catheter ablation has limitations, including the inability to map and ablate intramural or subepicardial APs. Some of these difficulties can be overcome using an epicardial approach performed through the epicardial venous system or by percutaneous catheterisation of the pericardial space. When a suspected left inferior or infero-paraseptal AP is refractory to ablation or no early activation is found at the endocardium, a transvenous approach

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Sternick, Eduardo Back, Mariana Faustino, Frederico Soares Correa, Cristiano Pisani, and Maurício Ibrahim Scanavacca. "Percutaneous Catheter Ablation of Epicardial Accessory Pathways." Arrhythmia & Electrophysiology Review 6, no. 2 (2017): 80. http://dx.doi.org/10.15420/aer.2017:6:2.

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Radiofrequency (RF) catheter ablation is the treatment of choice in patients with accessory pathways (APs) and Wolff–Parkinson–White syndrome. Endocardial catheter ablation has limitations, including the inability to map and ablate intramural or subepicardial APs. Some of these difficulties can be overcome using an epicardial approach performed through the epicardial venous system or by percutaneous catheterisation of the pericardial space. When a suspected left inferior or infero-paraseptal AP is refractory to ablation or no early activation is found at the endocardium, a transvenous approach

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31

Ihara, Kensuke, Junichi Nitta, Akira Sato, et al. "Coexistence of Left-Sided Atrioventricular Accessory Pathways With a Common Inferior Pulmonary Vein Ostium." Circulation: Arrhythmia and Electrophysiology 4, no. 3 (2011): 310–17. http://dx.doi.org/10.1161/circep.110.960815.

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32

Mahapatra, Subharina, Manjula Hebbale, Meenal Tepan, Rajshekhar Halli, Simran Singh, and Rakhee Modak. "Prevalence of Haller Cell and Accessory Maxillary Ostium: A Cone-Beam Computed Tomographic Study." Journal of Indian Academy of Oral Medicine and Radiology 34, no. 4 (2022): 466. http://dx.doi.org/10.4103/jiaomr.jiaomr_154_22.

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33

Yenigun, Alper, Zeliha Fazliogullari, Cihat Gun, Ismihan Ilknur Uysal, Alaaddin Nayman, and Ahmet Kagan Karabulut. "The effect of the presence of the accessory maxillary ostium on the maxillary sinus." European Archives of Oto-Rhino-Laryngology 273, no. 12 (2016): 4315–19. http://dx.doi.org/10.1007/s00405-016-4129-8.

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34

Mamchur, S. E., E. A. Khomenko, M. P. Romanova, and T. Yu Chichkova. "SEVEN TYPES OF PAROXYSMAL SUPRAVENTRICULAR TACHYCARDIA IN ONE PATIENT." Complex Issues of Cardiovascular Diseases 8, no. 1 (2019): 140–45. http://dx.doi.org/10.17802/2306-1278-2019-8-1-140-145.

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The report describes the case of electrophysiological study and catheter ablation of seven types of supraventricular tachycardia in one patient. During radiofrequency ablation for WPW-syndrome three functionated discrete retrograde conductive accessory atrioventricular pathways were documented and were successfully ablated. Further incessant activity of two ectopic atrial focuses was revealed. First localized in upper part of crista terminalis and another – in left superior pulmonary vein ostium. Five months after patient had a recurrence of supraventricular tachycardia. EPI-study demonstrated

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35

Varadharajan, Ramesh, Swara Sahithya, Ranjitha Venkatesan, Agaman Gunasekaran, and Sneha Suresh. "An endoscopic study on the prevalence of the accessory maxillary ostium in chronic sinusitis patients." International Journal of Otorhinolaryngology and Head and Neck Surgery 6, no. 1 (2019): 40. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20195211.

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<p class="abstract"><strong>Background:</strong> Chronic maxillary sinusitis is one of the common ENT problems. Accessory maxillary ostium (AMO) has been postulated in many publications to play a role in the development of chronic maxillary sinusitis. AMO is found in the medial wall of maxillary sinus and located in the lateral wall of the nose. It’s been frequently identified in the routine nasal endoscopy. The variations in the location of AMO have been evaluated by nasal endoscopy in live subjects or through cadaver dissections by many authors. This live study is conducted

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36

YOSHIDA, SUSUMU, HIROSHI YOKOE, KOUSUKE MURAKAWA, et al. "Radiofrequency Catheter Ablation of Posterior Paraseptal Accessory Pathway with Atresia of the Coronary Sinus Ostium." Pacing and Clinical Electrophysiology 35, no. 4 (2011): e80-e83. http://dx.doi.org/10.1111/j.1540-8159.2011.03211.x.

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37

Yoshida, Susumu, Hiroshi Yokoe, Kousuke Murakawa, et al. "Radiofrequency Catheter Ablation of Posterior Paraseptal Accessory Pathway with Atresia of the Coronary Sinus Ostium." Journal of Arrhythmia 27, Supplement (2011): PJ1_111. http://dx.doi.org/10.4020/jhrs.27.pj1_111.

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38

Ali, Ibrahim K., Kaustubh Sansare, Freny R. Karjodkar, Kavita Vanga, Prashant Salve, and Ajinkya M. Pawar. "Cone-beam computed tomography analysis of accessory maxillary ostium and Haller cells: Prevalence and clinical significance." Imaging Science in Dentistry 47, no. 1 (2017): 33. http://dx.doi.org/10.5624/isd.2017.47.1.33.

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39

Penttilä, Matti. "Accessory maxillary ostium repair using middle turbinate flap: a case series of 116 patients with chronic rhinosinusitis." International Forum of Allergy & Rhinology 8, no. 10 (2018): 1204–10. http://dx.doi.org/10.1002/alr.22159.

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40

Iacovidou, Aphrodite, Vikas Acharya, Devavrata Joshi, and Ali Taghi. "An extremely rare and atypical paediatric presentation of a maxillary sinus haemangioma in the UK." BMJ Case Reports 12, no. 8 (2019): e230696. http://dx.doi.org/10.1136/bcr-2019-230696.

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We present a rare and unusual case of a 16-year-old girl, with no significant medical history, presenting with right nasal obstruction and suspected sinusitis with occasional epistaxis and haemoptysis. On examination, she had a mass lesion in the right nasal cavity, with no evidence of other pathology on assessment of the ears, nose, throat or head and neck. A CT scan revealed an opacified right maxillary sinus with polypoidal mucosa, extending and passing through the accessory ostium into the right nasal cavity. Examination under anaesthesia with functional endoscopic sinus surgery and excisi

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41

Regina, C., J. Kalaivannan, and K. Santhini Arulselvi. "Variations in pulmonary venous drainage into the left atrium. a case report with clinical implications." European Journal of Anatomy 29, no. 3 (2025): 381–86. https://doi.org/10.52083/axix4543.

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The pulmonary veins, responsible for carrying oxygenated blood from the lung to the left atrium for gaseous exchange, often exhibit variations. Understanding and mapping these variations is crucial for diagnosing atrial fibrillations and pulmonary arteriovenous malformations. This study, aimed at reporting the variations in the number of pulmonary veins and drainage patterns, presents findings from the dissection of a female cadaver in our Department of Anatomy. Notably, we observed variations in the drainage pattern of pulmonary veins on the left atrium. On the right side of the left atrium,

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42

Eberliköse, H., D. Yılmaz, and O. Gülen. "Characteristics of Maxillary Sinus Ostia and their Correlation with Anatomic Variations of the Osteomeatal Complex: Indications for Sinus Floor Elevation." Nigerian Journal of Clinical Practice 26, no. 7 (2023): 992–97. http://dx.doi.org/10.4103/njcp.njcp_863_22.

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ABSTRACT Background: Knowledge of the anatomy and variations of the maxillary sinus is essential for reducing oral surgery complications, such as sinus floor elevation, and increasing surgery success. The CBCT images of 385 patients were examined. Materials and Methods: The prevalence, localization, and height of PMO (Primer Maxillary Ostium) and AMO (Accessory Maxillary Ostium) were evaluated with respect to sex, dentition, dental treatment, Schneiderian membrane (SM) thickness, concha bullosa, Haller Cells, and septal deviation. Results: The PMO was present in 87.3% of all patients. Further

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43

Hood, C. M., R. C. Schroter, D. J. Doorly, E. J. S. M. Blenke, and N. S. Tolley. "Computational modeling of flow and gas exchange in models of the human maxillary sinus." Journal of Applied Physiology 107, no. 4 (2009): 1195–203. http://dx.doi.org/10.1152/japplphysiol.91615.2008.

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The present study uses numerical modeling to increase the understanding of sinus gas exchange, which is thought to be a factor in sinus disease. Order-of-magnitude estimates and computational fluid dynamics simulations were used to investigate convective and diffusive transport between the nose and the sinus in a range of simplified geometries. The interaction between mucociliary transport and gas exchange was modeled and found to be negligible. Diffusion was the dominant transport mechanism for small ostia and large concentration differences between the sinus and the nose, whereas convection

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44

Babic, Milos, Branko Djurdjevic, Dejan Vukajlovic, et al. "Catheter Ablation of Atrial Tachycardia after Pulmonary Vein Isolation in a Patient with Common Ostium of Inferior Pulmonary Veins: Case Report." Medicina 60, no. 2 (2024): 264. http://dx.doi.org/10.3390/medicina60020264.

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Background and Objectives: Atrial fibrillation (AF), a prevalent cardiac arrhythmia, significantly impacts the quality of life of those affected. The preferred treatment for symptomatic AF, particularly when pharmacological methods fall short, is catheter ablation with pulmonary vein isolation (PVI). While common pulmonary vein (PV) anatomical variants, such as the right accessory pulmonary vein and the common ostium of left pulmonary veins (LCPV), have been studied extensively, their impact on the long-term outcome of PVI is known to be minimal. However, data on less common anomalies, like th

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45

Csöbönyeiová, M., M. Klein, C. Feitscherová, L. Pavlíková, D. Kachlík, and I. Varga. "The Overview of Anatomical Variations and Congenital Anomalies of the Uterine Tubes and Their Impact on Fertility." Physiological Research 71, Suppl. 1 (2022): S35—S49. http://dx.doi.org/10.33549/physiolres.935035.

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Anatomical variations and congenital anomalies of the uterine tubes (UTAVsCAs) are rare conditions, which are often undiagnosed, or accidentally diagnosed upon imaging, laparotomy, laparoscopy for unrelated condition, or during the Cesarean section. UTAVsCAs are often asymptomatic, but their clinical relevance lies in their possibly adverse impact on fertility. Since their rare occurrence, they are usually published as case reports. The most typically described are: agenesis of the uterine tubes (UTs), accessory UT (UT duplication), accessory UT ostium, and paratubal cysts (e.g. the hydatid cy

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Abraham, Zephania Saitabau, Aveline Aloyce Kahinga, Kassim Babu Mapondella, Enica Richard Massawe, and Daudi Ntunaguzi. "An Endoscopic Study on the Prevalence of Accessory Maxillary Sinus Ostium in Patients with Chronic Rhinosinusitis in Dar es Salaam, Tanzania." Open Access Surgery Volume 13 (August 2020): 61–64. http://dx.doi.org/10.2147/oas.s264176.

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Narendrakumar, V., and V. Subramanian. "Anatomical Variations in Osteomeatal Complex among Patients undergoing Functional Endoscopic Sinus Surgery." An International Journal Clinical Rhinology 9, no. 1 (2016): 28–32. http://dx.doi.org/10.5005/jp-journals-10013-1259.

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ABSTRACT Aims To study the anatomical variations of osteomeatal complex and the importance of preoperative computed tomography (CT) in patients with chronic sinusitis undergoing functional endoscopic sinus surgery. We studied the different variations and their frequency of occurrence. Materials and methods A total of 100 patients undergoing endoscopic sinus surgery were studied by nasal endoscopy, CT scanning, and at the time of definitive surgery, variations were recorded. Results The frequency of occurrence of sinonasal anatomical variations was septal deviation in 76%, agger nasi cells in 7

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Yeung, Andy Wai Kan, Nicolas Colsoul, Carla Montalvao, Kuofeng Hung, Reinhilde Jacobs, and Michael M. Bornstein. "Visibility, location, and morphology of the primary maxillary sinus ostium and presence of accessory ostia: a retrospective analysis using cone beam computed tomography (CBCT)." Clinical Oral Investigations 23, no. 11 (2019): 3977–86. http://dx.doi.org/10.1007/s00784-019-02829-9.

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Valenzuela-Fuenzalida, Juan José, Belén Baez-Flores, Roberto Ávila Sepúlveda, et al. "Anatomical variations and abnormalities of the maxillary region and clinical implications: A systematic review and metaanalysis." Medicine 102, no. 38 (2023): e34510. http://dx.doi.org/10.1097/md.0000000000034510.

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Objective: The objective of this review is to investigate and analyze the anatomical variations present in the maxillary sinus (MS), through the examination of the prevalence of these variations, as well as the corresponding prevalence of clinically significant pathologies and complications associated with them. Methods: The search process was carried out in the following databases; MEDLINE, SCIELO, WOS, CINHAL, SCOPUS, and GOOGLE SCHOLAR, using as search terms; “Maxillary bone,” “Maxillary sinus,” “Paranasal sinus,” “Anatomical variations,” “Sinusitis” and “Clinical anatomy.” Results: A total

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Katoch, Manisha, Suman Yadav, Vishal Kalia, et al. "Morphometric Assessment of the Maxillary Air Sinus through Multidetector Computed Tomography in Patients of Sub-Himalayan Region of Northern India." National Journal of Clinical Anatomy 14, no. 2 (2025): 67–72. https://doi.org/10.4103/njca.njca_179_24.

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Abstract Introduction: Maxillary sinuses (MS) are the largest paranasal sinuses (PNSs) and the first to develop in the human body. They lie in close proximity to delicate and vulnerable structures such as orbit, nasal and oral cavities, and pterygopalatine fossae and are readily involved in sinonasal pathology; hence, a thorough knowledge of normal dimensions and frequently encountered variations of MS is of utmost importance to the performing surgeons. Methodology: A study was conducted to see the morphometry and prevalent variations of MS in 101 patients through multidetector computed tomogr

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