Academic literature on the topic 'Psoas, muscle'

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Journal articles on the topic "Psoas, muscle"

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Ion, Daniel, Bogdan Socea, Alexandra Bolocan, Dan Nicolae Paduraru, and Octavian Andronic. "Psoas Muscle Abscess." Revista de Chimie 71, no. 1 (February 7, 2020): 302–7. http://dx.doi.org/10.37358/rc.20.1.7849.

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Psoas muscle abcesses are a pathological entity, with very low incidence, and a lot of diagnosis and management discussions.Our paper aims to assess the presence of this pathology in literature as a short introductive narrative review and to present a series of cases from our experience.The research was retrospective, descriptive and enrolled a total of 14 patients.Specialty literature is poor regarding this pathology, with no agreement on the correct diagnosis and treatment algorithm. Future studies may offer diagnostic scores to facilitate rapid diagnosis.
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Stewart, I. C., K. J. Blaikie, and H. M. MacLeod. "Adenocarcinoma of Unknown Primary Site (Acups) Presenting as a Psoas Abscess." Scottish Medical Journal 34, no. 3 (June 1989): 470. http://dx.doi.org/10.1177/003693308903400310.

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The presentation of a psoas abscess is commonly seen in conjunction with infection, especially tuberculous. Involvement of the psoas muscles with tumour, however, is extremely rare. We present a case in which adenocarcinoma of unknown primary site infiltrated the psoas muscle, thus mimicking a psoas abscess. A review of this unusual tumour type is discussed.
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Tsai, S. H., and S. J. Chu. "Outlined psoas muscle shadow." Emergency Medicine Journal 24, no. 10 (October 1, 2007): 738. http://dx.doi.org/10.1136/emj.2006.041970.

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Tubbs, R. Shane, W. Jerry Oakes, and E. George Salter. "The psoas quartus muscle." Clinical Anatomy 19, no. 7 (2006): 678–80. http://dx.doi.org/10.1002/ca.20288.

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Tsai, S. H., and S. J. Chu. "Outlined psoas muscle shadow." Case Reports 2009, jan08 1 (January 8, 2009): bcr2006041970. http://dx.doi.org/10.1136/bcr.2006.041970.

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Nègre, Isabelle. "Syndrome du muscle psoas." Douleurs : Évaluation - Diagnostic - Traitement 20, no. 5 (October 2019): 236–43. http://dx.doi.org/10.1016/j.douler.2019.07.001.

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Gharaibeh, Kamel A., Arnaldo Lopez-Ruiz, and Tauqeer Yousuf. "Psoas Muscle Infiltration Masquerading Distant Adenocarcinoma." Case Reports in Gastrointestinal Medicine 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/986453.

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Malignant metastasis to the psoas muscle is rare. We report a case that clinically mimicked psoas abscess that was subsequently proven to be from metastatic disease secondary to adenocarcinoma of the duodenum. A 62-year-old male presented with a seven-month history of right lower quadrant abdominal pain and progressive dysphagia. CT scan of abdomen-pelvis revealed a right psoas infiltration not amenable to surgical drainage. Patient was treated with two courses of oral antibiotics without improvement. Repeated CT scan showed ill-defined low-density area with inflammatory changes involving the right psoas muscle. Using CT guidance, a fine needle aspiration biopsy of the right psoas was performed that reported metastatic undifferentiated adenocarcinoma. Patient underwent upper endoscopy, which showed a duodenal mass that was biopsied which also reported poorly differentiated adenocarcinoma. In this case, unresponsiveness to medical therapy or lack of improvement in imaging studies warrants consideration of differential diagnosis such as malignancy. Iliopsoas metastases have shown to mimic psoas abscess on their clinical presentation and in imaging studies. To facilitate early diagnosis and improve prognosis, patients who embody strong risk factors and symptoms compatible with underlying malignancies who present with psoas imaging concerning for abscess should have further investigations.
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Choi, Jae-Ki, and Jae-Cheol Kwon. "Bilateral Psoas Muscle Abscess Associated with Emphysematous Cystitis." Case Reports in Medicine 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/285652.

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Psoas muscle abscess associated with emphysematous urinary tract infection is very rare. There were very few reports about urinary tract infections such as renal abscess, perinephric abscess, and emphysematous pyelonephritis complicated with psoas muscle abscess; however, psoas muscle abscess associated with emphysematous cystitis has not yet been reported. Here, we report a case of bilateral posas muscle abscess following emphysematous cystitis in an 81-year-old nondiabetic man, who was treated successfully with prolonged antibiotic therapy and supportive care. Early recognition of psoas muscle abscess can prevent aggressive interventional procedure and warrant good prognosis.
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PECKHAM, M., and D. C. S. WHITE. "Mechanical Properties of Demembranated Flight Muscle Fibres from a Dragonfly." Journal of Experimental Biology 159, no. 1 (September 1, 1991): 135–47. http://dx.doi.org/10.1242/jeb.159.1.135.

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The mechanical properties of demembranated muscle fibres of synchronous flight muscle from a dragonfly Libellula quadrimaculata, asynchronous flight muscle from the giant waterbug Lethocerus indicus and synchronous psoas muscle from rabbit were compared in relaxed, active and rigor conditions. The properties were compared to the known structure and protein compositions of these muscles. We found that active tension of L. indicus flight muscles was stretch-activated (tension was low and was significantly increased following a rapid stretch of 1 % of muscle length), whereas both dragonfly flight muscle and rabbit psoas muscle were not (active tension was high and did not significantly increase following a rapid stretch of 1%). Three different properties have been suggested to give rise to stretch activation in asynchronous muscles: (1) a matching of the helix periodicities of actin target sites to myosin crossbridge heads, (2) a special form of troponin subunit called troponin-H, and (3) the high resting stiffness of these muscles inducing strain in the thick filaments. Rabbit psoas muscle has none of these properties. Dragonfly flight muscles do not have the helix matching, but they do have a form of troponin-H and a high resting stiffness. It seems most likely that dragonfly flight muscles are not stretch-activated because they do not have the helix matching. Note: Present address: Department of Biophysics, King's College London, 26–29 Drury Lane, London, WC2B 5RL, UK.
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Lee, Donggyu, and Minsoo Kang. "Correlation between Psoas Muscle Index and Degeneration of Spinal Back Muscle in Patients with Back Pain." Healthcare 9, no. 9 (September 9, 2021): 1189. http://dx.doi.org/10.3390/healthcare9091189.

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Sarcopenia is characterized by a decline in systemic muscle mass and physical performance. Disc degeneration also causes back muscle atrophy. Therefore, we aimed to evaluate the influence of systemic muscle mass decline on back muscle atrophy and fatty infiltration compared to disc degeneration. We included 127 patients (65.54 ± 14.93 years) with back pain who underwent lumbar spine magnetic resonance imaging (MRI). Axial T2-weighted MRI data of the L4–5 and L5-S1 levels were used to measure the cross-sectional area (CSA) of the psoas and spinal muscles. The psoas index (cm2/m2) was used as a surrogate for systemic muscle mass. The Pfirrmann grading system was used to evaluate intervertebral disc degeneration. The functional area of the back muscles was calculated by subtracting the fat infiltration area from the CSA; the functional CSA ratio was calculated by dividing the functional CSA by the CSA. Image-processing software (ImageJ; National Institutes of Health, Bethesda, MD, USA) was used for analysis. Psoas index and aging significantly affected CSA and the ratio of functional CSA of the back muscles and multifidi. Disc degeneration did not significantly affect the back muscles beyond aging in patients with back pain. Males showed substantially higher CSA of the back muscles and multifidi than females; however, sex did not affect the functional CSA ratio of these muscles. Systemic muscle mass decline showed a more powerful influence on back muscle atrophy and fatty infiltration than disc degeneration. Therefore, proper evaluation of sarcopenia is needed for patients with chronic back pain and back muscle degeneration.
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Dissertations / Theses on the topic "Psoas, muscle"

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AGNERAY, CORINNE. "L'abces primitif du psoas chez l'adulte." Lille 2, 1990. http://www.theses.fr/1990LIL2M225.

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Bonijol, Pierre. "Sarcome du psoas : à propos de 3 observations." Montpellier 1, 1989. http://www.theses.fr/1989MON11030.

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Losseff, Stéphane. "Les abcès du psoas, à propos de 7 cas vus en deux ans à l'hôpital de Perpignan." Montpellier 1, 1996. http://www.theses.fr/1996MON11115.

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DEMEULENAERE, MAES CATHERINE. "Tumeur du psoas provoquee par actinomyces israelii." Lille 2, 1988. http://www.theses.fr/1988LIL2M342.

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Paoli, Michèle. "Les hématomes du muscle psoas iliaque apparus au cours d'un traitement anticoagulant : à propos de sept observations." Bordeaux 2, 1990. http://www.theses.fr/1990BOR25024.

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BERIEL, JANIN FRANCOISE. "L'abces aigu du muscle psoas : rappel clinique, radiologique, bacteriologique et therapeutique : a propos de 4 observations neonatales." Lyon 1, 1989. http://www.theses.fr/1989LYO1M166.

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FISEL, MICHEL. "La contracture du muscle ilio-psoas dans la pathologie de la region lombaire : apport de la mesotherapie." Aix-Marseille 2, 1988. http://www.theses.fr/1988AIX20526.

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GUILLEMAIN, THIERRY. "Apport de la radiologie dans le diagnostic et le traitement des abces du muscle psoas-iliaque : a propos de 5 observations." Lyon 1, 1989. http://www.theses.fr/1989LYO1M131.

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Boulot, Pierre-Bernard. "Bursite du psoas iliaque et maladie périodique : à propos d'une observation." Montpellier 1, 1999. http://www.theses.fr/1999MON11119.

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ROCHEDIEU, PATRICK. "A propos d'un cas de spondylodiscite brucellienne avec abces bilateral des psoas." Lyon 1, 1990. http://www.theses.fr/1990LYO1M015.

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Books on the topic "Psoas, muscle"

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Staugaard-Jones, Jo Ann. The psoas: Connecting physical, emotional, and spiritual aspects of the body's most important skeletal muscle. Berkeley, Calif: North Atlantic Books, 2012.

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The Vital Psoas Muscle. Lotus Publishing, 2012.

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The Psoas Book. 2nd ed. Guinea Pig Pubns, 1997.

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Malik, Tariq, and Honorio T. Benzon. Psoas and Quadratus Lumborum Muscle Injections: Fluoroscopy. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199908004.003.0048.

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This chapter discusses the use of fluoroscopy in the performance of psoas and quadratus lumborum muscle injections. These muscles are quite often involved in the genesis of back pain. Unlike other pain syndromes, such as piriformis and thoracic outlet syndromes, that have characteristics signs and symptoms, myofascial pain involving the iliopsoas and quadratus muscles are only characterized by trigger points and/or muscle spasm. One reason for injecting the muscles is to avoid several trigger point injections using large volumes of local anesthetics.
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Shankar, Hariharan, and Karan Johar. Piriformis Muscle, Psoas Muscle, and Quadratus Lumborum Muscle Injections: Ultrasound. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199908004.003.0047.

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This chapter describes the anatomy, technique, available evidence, and complications of piriformis, psoas, and quadratus lumborum muscle injections. Traditionally landmark-based injections of the piriformis muscle were performed using the posterior inferior iliac spine and the greater trochanter as bony landmarks. Subsequently, fluoroscopy, electromyography, and CT were used to facilitate the injection. Activation of myofascial trigger points within the iliopsoas muscle can cause referred pain to the groin and anterior thigh. Landmark-based injections and CT-guided iliopsoas injections have been described. But they carry the risk of radiation, bowel injury, intravascular injection, and nerve injury. Ultrasound-guided injection into the psoas muscle may be performed at two different locations, the iliopsoas muscle and the iliopsoas tendon. The quadratus lumborum is a common cause of low back pain, and ultrasound-guided injection of local anesthetic into quadratus lumborum muscle may be performed.
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Psoas strength and flexibility: Core workouts to increase mobility, reduce injuries and end back pain. 2015.

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Book chapters on the topic "Psoas, muscle"

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Reid, Patrick, and Andrew A. Sama. "Psoas Muscle Management." In Lateral Access Minimally Invasive Spine Surgery, 135–40. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28320-3_17.

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Tsujimoto, Takeshi. "Effect of Ryanodine on Glycerinated Rabbit Psoas Muscle Fibers." In Excitation-Contraction Coupling in Skeletal, Cardiac, and Smooth Muscle, 327–28. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3362-7_26.

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Inoue, Tsutomu, Yoshiro Kitamura, Yuanzhong Li, Wataru Ito, and Hiroshi Ishikawa. "Psoas Major Muscle Segmentation Using Higher-Order Shape Prior." In Medical Computer Vision: Algorithms for Big Data, 116–24. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42016-5_11.

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Gary, Matthew F., and Michael Y. Wang. "Techniques for Avoiding Psoas Muscle and Lumbosacral Plexus Injury." In Lateral Access Minimally Invasive Spine Surgery, 89–97. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28320-3_12.

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Kawai, Masataka, Yan Zhao, and Herbert R. Halvorson. "Elementary Steps of Contraction Probed by Sinusoidal Analysis Technique in Rabbit Psoas Fibers." In Mechanism of Myofilament Sliding in Muscle Contraction, 567–80. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2872-2_51.

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Zhao, Yan, Masataka Kawai, and John Wray. "The Effect of Lattice Spacing Change on Cross-Bridge Kinetics in Rabbit Psoas Fibers." In Mechanism of Myofilament Sliding in Muscle Contraction, 581–92. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2872-2_52.

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Kopaczka, Marcin, Richard Lindenpütz, Daniel Truhn, Maximilian Schulze-Hagen, and Dorit Merhof. "Fully Automated Segmentation of the Psoas Major Muscle in Clinical CT Scans." In Informatik aktuell, 55–60. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-29267-6_12.

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Yamada, K., Y. Emoto, K. Horiuti, and K. Tawada. "Effects of Ionic Strength on Force Transients Induced by Flash Photolysis of Caged ATP in Covalently Crosslinked Rabbit Psoas Muscle Fibers." In Mechanism of Myofilament Sliding in Muscle Contraction, 489–94. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2872-2_44.

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Brenner, B. "The cross-bridge cycle in muscle. Mechanical, biochemical, and structural studies on single skinned rabbit psoas fibers to characterize cross-bridge kinetics in muscle for correlation with the actomyosin-ATPase in solution." In Controversial issues in cardiac pathophysiology, 1–15. Heidelberg: Steinkopff, 1986. http://dx.doi.org/10.1007/978-3-662-11374-5_1.

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Garten, Hans. "M. psoas." In The Muscle Test Handbook, 186–89. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-7020-3739-9.00075-4.

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Conference papers on the topic "Psoas, muscle"

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Tan, Randall Isaac, Ira Inductivo-Yu, and Darlene Jumawan. "IDDF2019-ABS-0305 Psoas muscle thickness as measure for sarcopenia and prognosis in liver cirrhosis." In International Digestive Disease Forum (IDDF) 2019, Hong Kong, 8–9 June 2019. BMJ Publishing Group Ltd and British Society of Gastroenterology, 2019. http://dx.doi.org/10.1136/gutjnl-2019-iddfabstracts.305.

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Tomita, Y., M. Takenaka, S. Hirose, H. Komazaki, M. Ezawa, S. Kitai, M. Saito, et al. "361 Psoas muscle volume is predictive factor for poor survival in elderly ovarian cancer patients." In IGCS 2020 Annual Meeting Abstracts. BMJ Publishing Group Ltd, 2020. http://dx.doi.org/10.1136/ijgc-2020-igcs.311.

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Ivanoski, S. P., and V. Vasilevska Nikodinovska. "CT Evaluation of Sarcopenia in Patients with and without Malignant Tumor: Psoas Muscle Density as a Biomarker." In 26th Annual Scientific Meeting of the European Society of Musculoskeletal Radiology (ESSR). Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692588.

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Yoshida, T., T. Nakamoto, and T. Kamibayashi. "ESRA19-0050 A subfascial local anesthetic injection to the psoas major muscle combined with the anterior approach for quadratus lumborum block: technical description and retrospective evaluation." In Abstracts of the European Society of Regional Anesthesia, September 11–14, 2019. BMJ Publishing Group Ltd, 2019. http://dx.doi.org/10.1136/rapm-2019-esraabs2019.411.

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De Stefano, V., G. Leone, R. Ferrelli, and B. Bizzi. "A NEW VARIANT OF FACTOR X DEFICIENCY (FACTOR X ROMA)." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643296.

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A 13 years-old-girl was admitted in our Hospital for a large muscle hematoma of left psoas. At age 3 she had a severe tonsillar bleeding following angina. Afterwards she suffered from easy bruisability and recurrent epistaxis. Prothrombin time (PT) was slightly prolonged (14.7 sec, control 12 sec, INR 1.5), while a more marked prolongation in aPTT was noticed (54.7 sec, control 30.3 sec). All clotting factors resulted within the normal range but Factor X. Factor X antigen was 0.95 U/ml (Laurell), whereas Factor X activity was 0.52 U/ml by extrinsic system assay (rabbit brain and lung thromboplastin), 0.06 U/ml by intrinsic system assay (rabbit brain cephalin) and 1.15 U/ml by activation by RW-cephalin. Chromogenic assays (S-2222 and CBS 3139) perfor med after activation with RW gave 1.02 U/ml and 1.00 U/ml, respectively. The patient plasma had no inhibitory activity against Factor X. The parents of the proposita (first cousins) had Factor X antigen levels and RW functional activity around 1.00 U/ ml, whereas Factor X activity tested by extrinsic and intrinsic system assay was about 0.60 U/ml and 0.50 U/ml, respectively. This Factor X variant seems different from the other ones previously described, showing normal antigen levels and RW activation, a severe defect in the intrinsic activation and only a partial defect in the extrinsic activation. In particular the two defects more close to it (Factor X Friuli and Factor X Melbourne), both found in patients with Italian ancestry, were dif ferent because of a very prolonged PT (Factor X Friuli) or a normal PT (Factor X Melbourne).
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Kamiya, N., X. Zhou, H. Chen, T. Hara, H. Hoshi, R. Yokoyama, M. Kanematsu, and H. Fujita. "Automated recognition of the psoas major muscles on X-ray CT images." In 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2009. http://dx.doi.org/10.1109/iembs.2009.5332597.

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Lai, Rita, Daniela Schenone, Gianmario Sambuceti, Anna Maria Massone, Cristina Campi, Adriano Chiò, Claudia Caponnetto, et al. "Prognostic power of the human psoas muscles FDG metabolism in amyotrophic lateral sclerosis." In Computer-Aided Diagnosis, edited by Horst K. Hahn and Maciej A. Mazurowski. SPIE, 2020. http://dx.doi.org/10.1117/12.2548857.

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Kamiya, Naoki, Xiangrong Zhou, Huayue Chen, Takeshi Hara, Ryujiro Yokoyama, Masayuki Kanematsu, Hiroaki Hoshi, and Hiroshi Fujita. "A model based method for recognizing psoas major muscles in torso CT images." In SPIE Medical Imaging, edited by Nico Karssemeijer and Ronald M. Summers. SPIE, 2010. http://dx.doi.org/10.1117/12.843758.

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