Relevant bibliographies by topics / Lacrimal canaliculus

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  1. Journal articles
  2. Dissertations / Theses
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  4. Conference papers

Academic literature on the topic 'Lacrimal canaliculus'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Lacrimal canaliculus"

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Yan, Xiaoqin, Nan Xiang, Weikun Hu, Rong Liu, and Ban Luo. "Characteristics of lacrimal passage diseases by 80-MHz ultrasound biomicroscopy: an observational study." Graefe's Archive for Clinical and Experimental Ophthalmology 258, no. 2 (December 10, 2019): 403–10. http://dx.doi.org/10.1007/s00417-019-04515-8.

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Abstract Purpose To investigate the microstructure of the lacrimal canaliculus and the characteristics of lacrimal canalicular diseases by 80-MHz ultrasound biomicroscopy (UBM). Methods This study included 33 participants: 20 normal subjects (40 eyes), 2 patients with chronic lacrimal canaliculitis (4 eyes), 10 patients with chronic dacryocystitis (16 eyes), and 1 patient with lacrimal punctum atresia (2 eyes). All participants underwent 80-MHz UBM; disease-specific features were noted. Results On 80-MHz UBM of the lacrimal canaliculi (vertical section) in normal subjects, low echo of the lacrimal canalicular lumen and high echo of the lacrimal canalicular wall were observed. The uniform low echo near the wall was the mucosal epithelium. The outermost layer of medium-to-high echo was the subepithelial elastic fibrous layer. In the horizontal section, the lumen was continuous. Two linear high echoes parallel to the canalicular wall could be observed at the center of the lacrimal canaliculus, which were sometimes attached and sometimes separated. When separated, the center of the lacrimal canaliculus was a low echo area (lumen). Lacrimal canaliculitis (vertical section) showed obvious ectasia of the lacrimal canalicular lumen, with a high echo mass shadow, which might have been calculi, and uneven thickness of the mucosal epithelium with a slightly high echo shadow. In the horizontal section, the lumen varied in size with clear boundaries of medium and high echoes. The central linear high echoes of the lumen were absent, and the echoes of the mucosal epithelium were discontinuous. In chronic dacryocystitis, the lacrimal canalicular lumen was extensively enlarged, with continuous echoes and uniform thickness of the mucosal epithelium and homogeneous patches of slightly higher echoes. Lacrimal punctum atresia indicated that the lacrimal canaliculus existed in both eyes and its structure was normal. Conclusions The 80-MHz UBM is a new non-invasive technique that can be used for clear visualization of the fine structure of the lacrimal canaliculus, including the mucosal epithelium and subepithelial elastic fiber layer. The use of this approach will improve understanding of the hierarchical structure of the lacrimal canaliculi and provide a comprehensive basis for diagnosis, differential diagnosis, and treatment plan in patients with lacrimal passage diseases.
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You, Yongsheng, Jing Cao, Xiaogang Zhang, Wencan Wu, Tianlin Xiao, and Yunhai Tu. "In Vivo and Cadaver Studies of the Canalicular/Lacrimal Sac Mucosal Folds." Journal of Ophthalmology 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/3453908.

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Purpose.The study aimed to investigate canalicular/lacrimal sac mucosal folds (CLS-MFs) in vivo and in cadavers in order to explore their functional roles in the lacrimal drainage system.Method.The observations of CLS-MFs in vivo were performed on 16 patients with chronic dacryocystitis after undergoing an endonasal endoscopic dacryocystorhinostomy (EE-DCR). The lacrimal sacs and common canaliculi of 19 adult cadavers were dissected. The opening/closing of an orifice and mucosal fold was recorded. All of the specimens were subjected to a histological examination.Results.The upper and lower lacrimal canaliculi in all of the samples united to form a common canaliculus that opened to the lacrimal sac. CLS-MFs were observed in 10 of the 16 patients (62.5%) and 9 of the 19 cadavers (47.4%). The orifices or mucosal folds could be opened or closed when related muscles contracted or relaxed. Histological sections showed a mucosal fold at one side of an orifice.Conclusion.Common canaliculus is the most common type that the canaliculus opens to lacrimal sac. CLS-MFs exist in a certain ratio that can be opened/closed with the movement of the orifices. They may be involved in the drainage of tears or the pathogenesis of acute dacryocystitis or lacrimal sac mucocele.
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Kakizaki, Hirohiko, Ken Asamoto, Takashi Nakano, Dinesh Selva, and Igal Leibovitch. "Lacrimal Canaliculus." Ophthalmology 117, no. 3 (March 2010): 644–644. http://dx.doi.org/10.1016/j.ophtha.2009.09.050.

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Dolan, L., C. J. MacEwen, and P. White. "Common canalicular obstruction secondary to the use of Herrick lacrimal plugs, requiring endoscopic dacryocystorhinostomy." Journal of Laryngology & Otology 123, no. 1 (June 9, 2008): 129–30. http://dx.doi.org/10.1017/s0022215108003010.

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AbstractWe report the case of a 40-year-old woman who developed left common canalicular obstruction following insertion of a lacrimal plug. The patient underwent endoscopic dacryocystorhinostomy, revealing the presence of the lacrimal plug occluding the common canaliculus. The patient experienced symptomatic improvement of her epiphora post-operatively.
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Tu, Yunhai, Zhenbin Qian, Jiao Zhang, Wencan Wu, and Tianlin Xiao. "Endoscopic Endonasal Dacryocystorhinostomy Combined with Canaliculus Repair for the Management of Dacryocystitis with Canalicular Obstruction." Journal of Ophthalmology 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/657909.

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Purpose. The aim of this study is to propose a simple and efficient combination surgery for the management of dacryocystitis with canalicular obstruction.Methods. A retrospective noncomparative case series of dacryocystitis with canalicular obstruction has been studied. Twelve patients with dacryocystitis and canalicular obstruction underwent a conventional endoscopic endonasal dacryocystorhinostomy (EE-DCR) combined with a modified canalicular repair. Postoperative observations included slit lamp, fluorescein dye disappearance test, lacrimal syringing, lacrimal endoscopy, and nasal endoscopy.Results. After 6–18 months of postoperative follow-up, the symptoms of epiphora and mucopurulent discharge disappeared completely in 10 patients, and occasional or intermittent epiphora remained in 2 patients. All of the twelve patients showed an opened intranasal ostium and normal fluorescein dye disappearance test. Patent bicanalicular irrigation was achieved in 9 patients. One patient had a partial and the other two had a complete reobstruction by lacrimal irrigation to their repaired lower canaliculus; however, all of them had a patent lacrimal irrigation to upper canaliculus. The functional success rate for the combination surgery is 83% (10/12), and anatomical success rate is 75% (9/12).Conclusion. EE-DCR combined with modified canalicular repair is a simple and efficient method for the management of dacryocystitis with canalicular obstruction.
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Almaliotis, Diamantis, Elias Nakos, Thomas Siempis, Triantafyllia Koletsa, Ioannis Kostopoulos, Maria Chatzipantazi, and Vasileios Karampatakis. "A Para-Canalicular Abscess Resembling an Inflamed Chalazion." Case Reports in Ophthalmological Medicine 2013 (2013): 1–3. http://dx.doi.org/10.1155/2013/618367.

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Background.Lacrimal infections byActinomycesare rare and commonly misdiagnosed for long periods of time. They account for 2% of all lacrimal diseases.Case Report.We report a case of a 70-year-old female patient suffering from a para-canalicular abscess in the medial canthus of the left eye, beside the lower punctum lacrimale, resembling a chalazion. Purulence exited from the punctum lacrimale due to inflammation of the inferior canaliculus (canaliculitis). When pressure was applied to the mass, a second exit of purulence was also observed under the palpebral conjunctiva below the lacrimal caruncle. A surgical excision was performed followed by administration of local antibiotic therapy. The histopathological examination of the extracted mass revealed the existence of actinomycosis.Conclusion.Persistent or recurrent infections and lumps of the eyelids should be thoroughly investigated.Actinomycesas a causative agent should be considered. Differential diagnosis is broad and should include canaliculitis, chalazion, and multiple types of neoplasias. For this reason, in nonconclusive cases, a histopathological examination should be performed.
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Emekli, Ufuk, Bur�ak T�merdem, Atakan Aydin, Khosrow Purisa, Ilker Sezer, and Metin Erer. "Emergency repair of lacrimal canaliculus." European Journal of Plastic Surgery 26, no. 7 (December 1, 2003): 346–49. http://dx.doi.org/10.1007/s00238-003-0531-8.

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Beigi, B., J. M. Uddin, T. F. W. McMullan, and E. Linardos. "Inaccuracy of Diagnosis in a Cohort of Patients on the Waiting List for Dacryocystorhinostomy When the Diagnosis Was Made by Only Syringing the Lacrimal System." European Journal of Ophthalmology 17, no. 4 (July 2007): 485–89. http://dx.doi.org/10.1177/112067210701700401.

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Purpose Accurate identification of the factors contributing to epiphora is essential in directing appropriate management and treatment strategies. The authors applied a methodical strategy of assessment for epiphora to patients who were already on the waiting list for dacryocystorhinostomy (DCR). The findings were compared to the original findings. Methods Forty-four eyes of 35 patients listed for DCR were re-examined. All canaliculi were examined using four tests: dye disappearance, Jones 1 (dye retrieval), probing using Bowman probes, and syringing of the nasolacrimal duct (NLD) under local anesthesia. Some patients were examined using an endocanalicular mini-endoscope. Patients with NLD obstruction underwent DCR and those with canalicular and NLD stenosis underwent intubation of the lacrimal system-canaliculus, lacrimal sac, and nasolacrimal duct-using silicone stents. The authors refer to this as canaliculodacryocystoplasty (CDCP). The patients were assessed for symptoms of epiphora at 12 months. Forty-four eyes had been listed for DCR. They had been originally diagnosed, by means of lacrimal syringing, as NLD obstruction (24 eyes) or stenosis (12 eyes), and functional blocks (8 eyes). Results Four out of the original 44 planned DCR surgeries were performed after re-evaluation. After re-examination, 28 lacrimal systems were found to have canalicular stenosis, 4 NLD stenosis, 4 NLD obstruction, 4 punctal phimosis, 3 ocular surface disease, and 1 patient was asymptomatic. Twenty-eight lacrimal systems underwent CDCP, 4 underwent DCR, 4 had punctoplasty, and 4 had probing alone. Three had treatment for ocular surface disease and one patient required no treatment. After a follow-up of 12 months, 41 (93%) systems had improvement or were free of their epiphora. Conclusions Syringing of the lacrimal apparatus may result in a high false positive diagnosis of NLD obstruction. Canalicular pathology is not uncommon in this cohort of patients and may be underdiagnosed.
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Hawlina, Gregor, and Katarina Vergot. "Management of Traumatic Lower-Eyelid Avulsion and Complete Loss of the Lacrimal Canaliculus: A Case Report." Case Reports in Ophthalmology 10, no. 2 (May 23, 2019): 172–79. http://dx.doi.org/10.1159/000500237.

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Eyelid injuries commonly occur as a result of blunt or sharp periocular trauma. When the medial canthal region is affected, injury can be associated with canalicular laceration or avulsion. Complete loss of the lacrimal canaliculus associated with epiphora is a challenging condition, and reconstruction often leads to poor and disappointing results. Surgical treatment of a patient following blunt facial trauma that resulted in medial avulsion of the lower eyelid with tissue loss is presented. A 72-year-old male patient presented with avulsion of the medial 2/3 of the left lower eyelid together with complete loss of the inferior canaliculus. Eyelid tissue was not preserved. The inferior canaliculus was reconstructed using a Mini Monoka (FCI Ophthalmics), which was sutured under the caruncle and was enveloped with surrounding tissue. Loss of the lower eyelid tissue was substituted with a medially shifted Hughes flap and free skin transplant from the ipsilateral upper eyelid. The Hughes flap was divided after 2 weeks, while the Mini Monoka extruded spontaneously approximately 3 months after the injury. Ten months after the injury, the opening of the reconstructed lower canaliculus was positioned under the caruncle and was patent on probing and syringing. The patient is without epiphora and is satisfied with the functional and aesthetic result. In eyelid injuries we follow certain rules of reconstruction, but each case is unique and requires some inventiveness. The idea of inferior canalicular reconstruction following lower-eyelid avulsion with tissue loss is presented.
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Pagella, Fabio, Alessandro Pusateri, Elina Matti, Paolo Carena, Luis Quiroa, Elena Antoniazzi, and Enzo Emanuelli. "An Easy Method for Intraoperative Confirmation of Lacrimal Sac Patency in Endoscopic Dacryocystorhinostomy." European Journal of Ophthalmology 27, no. 3 (February 12, 2016): 379–81. http://dx.doi.org/10.5301/ejo.5000917.

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Purpose Few studies have focused on the intranasal localization of the lacrimal sac during endoscopic dacryocystorhinostomy: landmarks in order to find the medial wall of the lacrimal sac have been described, but there is a lack of description of methods for the verification of the complete marsupialization of the lacrimal sac during surgery. In this report, we propose an easy and effective method for certain intraoperative identification of lacrimal sac. Methods A method in order to verify the effective marsupialization of the lacrimal sac is applied and described: to ensure that the opening of the sac in the nasal cavity is complete, the surgeon should identify the Rosenmuller valve, which is the end of the common canaliculus in the lacrimal sac. Continuous irrigation with saline solution through the inferior canaliculus can be useful to obtain a clean surgical area and to permit easy intraoperative identification of the valve. Results Between 2007 and 2015, 193 endoscopic dacryocystorhinostomies were performed in our institutions. Postoperative surgical success at last follow-up (minimum 12 months) was 93.8% (181 out of 193 of cases). No major complications were observed. Conclusions Correct and complete exposure of the lacrimal sac during surgery is crucial for a good outcome: when the opening of the common canaliculus is identified, the surgeon is assured that the sac has been correctly and completely marsupialized inside the nasal cavity.
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Dissertations / Theses on the topic "Lacrimal canaliculus"

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Fujimoto, Masahiro. "Lacrimal Canaliculus Imaging Using Optical Coherence Tomography Dacryography." Kyoto University, 2019. http://hdl.handle.net/2433/242892.

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Book chapters on the topic "Lacrimal canaliculus"

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Ali, Mohammad Javed. "Canaliculops." In Atlas of Lacrimal Drainage Disorders, 309–13. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5616-1_35.

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Ali, Mohammad Javed. "Canalicular Trauma." In Atlas of Lacrimal Drainage Disorders, 315–23. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5616-1_36.

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Ahmadi, M. Amir, and Bita Esmaeli. "Lacrimal and Canalicular Toxicity." In Ophthalmic Oncology, 321–25. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-0374-7_26.

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Ali, Mohammad Javed. "Canalicular Wall Dysgenesis." In Atlas of Lacrimal Drainage Disorders, 241–46. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5616-1_27.

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Enghelberg, Moisés, and Cat Nguyen Burkat. "Canalicular Obstructions and Management." In Oculofacial, Orbital, and Lacrimal Surgery, 459–68. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14092-2_40.

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Ali, Mohammad Javed. "Canalicular and Nasolacrimal Duct Recanalization." In Principles and Practice of Lacrimal Surgery, 349–57. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5442-6_33.

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Javed Ali, Mohammad. "Dacryoendoscopic Guided Canalicular and Nasolacrimal Duct Recanalization." In Principles and Practice of Lacrimal Surgery, 309–17. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2020-6_32.

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Verity, David H., and Geofrey E. Rose. "Lacrimal Canalicular Inflammation and Occlusion: Diagnosis and Management." In Oculoplastics and Orbit, 67–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-85542-2_4.

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Steinkogler, F. J. "Fibrin Tissue Adhesive for the Repair of Lacerated Canaliculi Lacrimales." In Fibrin Sealant in Operative Medicine, 92–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71391-0_12.

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Reddy, Ashvini K., and Kimberly G. Yen. "Management of Pediatric Nasolacrimal Duct Obstruction." In Surgery of the Eyelid, Lacrimal System, and Orbit. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780195340211.003.0020.

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Tearing is a common presenting complaint in infants referred to an ophthalmologist and may be the first sign of something as benign as an impermanent anatomic defect or as grave as congenital glaucoma. When tearing is chronic, parents of an affected infant are often frustrated by the persistent accumulation of fluid and mucopurulent material in the eye and on the eyelids and anxious that the condition may be a sign of a more serious problem. The best initial management of tearing in an infant is to take a detailed history, which often provides important clues as to the cause of tearing, and then to perform a thorough, systematic ophthalmic examination. Tears serve four main functions: (1) they form a tear film to keep the eye moist, (2) they lubricate the eye, (3) they keep the eye clear of particulate matter and debris, and (4) they provide a refractive surface on the corneal epithelium. The tear film comprises three layers: a thin inner layer of proteinaceous mucin coats and protects the eye, an aqueous layer keeps the eye moist and lubricated, and an outer lipid layer slows evaporation of the aqueous layer. Basal tears are produced by the accessory lacrimal glands located in the conjunctiva and keep the eye moist under steady-state conditions; normal patients have a tear meniscus (or “tear lake”) visible along the inner lower eyelid as a result of basal tear production. Irritation or emotional extremes can trigger reflex tear production by the main lacrimal gland in the superotemporal quadrant of the orbit, “flooding” the tear lake. The level of the tear lake is highest when the rate of tear production by the lacrimal glands exceeds the rate of tear drainage into the nasolacrimal system. Tears normally drain out of the eye through puncta located on the nasal portion of the upper and lower eyelids. They then enter the upper and lower canaliculi, which run inferiorly and medially before joining to form the common canaliculus, which conducts tears through the valve of Rosenmuller and into the lacrimal sac.
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Conference papers on the topic "Lacrimal canaliculus"

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Yoshimura, Reiko, Dong-Hak Choi, Masahiro Fujimoto, Akihito Uji, Fumiko Hiwatashi, and Kohji Ohbayashi. "Lacrimal canaliculus imaging by dynamic OCT using extrinsic contrast agent." In Ophthalmic Technologies XXIX, edited by Fabrice Manns, Per G. Söderberg, and Arthur Ho. SPIE, 2019. http://dx.doi.org/10.1117/12.2508137.

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Yoshimura, Reiko, Dong-hak Choi, Masahiro Fujimoto, Akihito Uji, Fumiko Hiwatashi, and Kohji Ohbayashi. "Morphological diversity of lacrimal canaliculus observed by dynamic OCT with extrinsic contrast agent." In Ophthalmic Technologies XXX, edited by Fabrice Manns, Per G. Söderberg, and Arthur Ho. SPIE, 2020. http://dx.doi.org/10.1117/12.2545365.

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