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Iris Cyst

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https://www.readbyqxmd.com/read/29765951/advanced-midzonal-iris-pigment-epithelial-cyst-managed-by-aspiration-deflation
#1
Jerry A Shields, Samuel J Fallon, Charlotte Nelle Shields, Sara E Lally, Carol L Shields
Background: There are several cysts that can occur in the iris. The midzonal (retroiridic) iris pigment epithelial (IPE) cyst is important because it can simulate melanoma of the ciliary body. However, it is frequently asymptomatic and requires no treatment. Methods: A 37-year-old asymptomatic woman with visual acuity of 20/20 in each eye was found to have an elevated mass behind the left iris, presumed to be melanoma, and was referred for management. On our examination, there was a typical midzonal IPE cyst in the left eye (OS), requiring observation without intervention...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29743110/analysis-of-intraocular-positions-of-posterior-implantable-collamer-lens-by-full-scale-ultrasound-biomicroscopy
#2
Xi Zhang, Xun Chen, Xiaoying Wang, Fei Yuan, Xingtao Zhou
BACKGROUND: To analyze the positions of intraocular posterior Implantable Collamer Lens (ICL) and its possible relationship with vault. METHODS: This cross-sectional study included 72 patients with high myopia (134 eyes) who were followed up after phakic intraocular lens implantation. The postoperative time ranged from 1 week to 7 years. We obtained the images of ICL by using Compact Touch STS UBM and observed the position of ICL in posterior chamber and ciliary sulcus...
May 9, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29652640/echinococcus-multilocularis-surveillance-using-copro-dna-and-egg-examination-of-shelter-dogs-from-an-endemic-area-in-hokkaido-japan
#3
Takao Irie, Takeshi Mukai, Kinpei Yagi
Surveillance of Echinococcus multilocularis infection among 156 shelter dogs was conducted in an urban area (Sapporo city) in Hokkaido, where the parasite is endemic in Japan using copro-DNA and fecal egg examination from September 2013 to April 2017. Echinococcus infection was detected in three dogs (1.9%), including one dog that excreted eggs. The results suggested that free-roaming or stray dogs in urban area may be infected by capturing wild voles containing parasitic cysts and could be a source of human infection...
March 8, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29607656/implanting-a-posterior-chamber-phakic-intraocular-lens-in-highly-myopic-eyes-with-peripheral-primary-iris-and-ciliary-body-cysts
#4
Jing Zhao, Dongqiang Luo, Yong Sun, Lingling Niu, Feng Zhao, Xiaoying Wang, Hua Wang, Qian Chen, Xingtao Zhou
PURPOSE: To investigate the safety and efficacy of implanting a posterior chamber implantable collamer lens with a central hole in cases of high myopia with peripheral primary iris or ciliary body cysts. METHODS: A total of 37 eyes of 19 patients with primary iris or ciliary body cysts detected by ultrasonic biological microscope were included, with spherical powers of -10.26 ± 3.28 D and cylinder powers of -1.71 ± 1.18 D. Each patient received ultrasonic biological microscope and a routine examination before implantation of the implantable collamer lens...
March 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29503954/mucogenic-glaucoma-in-a-child
#5
Ta C Chang, Linda Y Huang, Kara M Cavuoto
Purpose: We describe a case of secondary open-angle glaucoma due to mucin-producing congenital iris stromal cyst in a 4 year old patient. Observations: A 4-year old female patient with a history of unilateral congenital iris stromal cyst presented with sudden-onset eye pain and redness, with markedly elevated intraocular pressure and evidence of early optic nerve damage. During the examination under anesthesia, the anterior chamber angle was open and there was no evidence of pupillary block...
April 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29482347/degenerative-changes-of-the-thoracic-spine-do-exist-in-patients-with-diffuse-idiopathic-skeletal-hyperostosis-a-detailed-thoracic-spine-ct-analysis
#6
Einat Slonimsky, Merav Lidar, Myriam Stern, Iris Eshed
Background Degenerative intervertebral disease (DID) is an exclusion criterion in the Resnick and Niwayama radiographic classification for diffuse idiopathic skeletal hyperostosis (DISH). However, although DID was previously described in DISH, no systematic computed tomography (CT) analysis has been reported so far. Purpose To assess for the presence and prevalence of such changes on CT examinations of the thoracic spine of individuals with DISH. Material and Methods Intervertebral space (D1-L1) on chest CT examinations of DISH patients was retrospectively evaluated for the presence of DID...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29478386/spontaneous-findings-in-the-eyes-of-cynomolgus-monkeys-macaca-fascicularis-of-mauritian-origin
#7
Jochen Woicke, Solomon Haile, Jagannatha Mysore, W Michael Peden, Typhaine Lejeune, Thomas Sanderson, Thomas Brodie
Spontaneous findings noted in the eyes of Mauritian cynomolgus monkeys are described and descriptions are supplemented with illustrations. Findings observed after extensive histopathologic examinations (20 to 44 sections per eye) from 20 control, 17 treatment-naive stock monkeys, and 2 findings noted in drug-treated monkeys that were considered to be spontaneous are included. Also included are findings from 361 control monkeys of routine toxicity studies performed at our laboratories, for most of which a standard histopathological examination of 1 section per eye was conducted...
April 2018: Toxicologic Pathology
https://www.readbyqxmd.com/read/29426450/implantation-pearl-cyst-after-uncomplicated-clear-cornea-phacoemulsification-mimicking-an-iris-tumour
#8
Sara Vaz-Pereira, Gabriella De Salvo, Lamis Al Harby, Caroline Thaung, Mandeep S Sagoo
No abstract text is available yet for this article.
February 2018: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/29282204/surgical-removal-of-a-giant-iris-stromal-cyst-an-intraoperative-optical-coherence-tomography-guided-approach
#9
Rajesh Sinha, Manthan Hasmukhbhai Chaniyara, Jayanand Urkude, Amar Pujari
An 11-year-old girl was brought with the chief complaint of progressive diminution of vision in her right eye for the past 3 months. There was no history of ocular trauma or any ocular surgery. Systemic and family history was insignificant. Visual acuity was 20/20 in her left eye and counting finger close to face with projection of rays being accurate in her right eye. Slit lamp examination of her right eye showed large cystic lesion filling almost entire anterior chamber. With the help of various imaging modalities like anterior segment optical coherence tomography (OCT) and ultrasound biomicroscopy diagnosis of iris stromal cyst was confirmed...
December 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29218653/differential-diagnosis-of-pancreatic-epidermoid-cyst-without-a-solid-component-residual-splenic-tissue-vs-mucinous-cystic-neoplasm
#10
Kousei Ishigami, Akihiro Nishie, Hiroyuki Irie, Yoshiki Asayama, Yasuhiro Ushijima, Yukihisa Takayama, Daisule Okamoto, Nobuhiro Fujita, Takao Ohtsuka, Tetsuhide Ito, Naoki Mochidome, Hiroshi Honda
PURPOSE: The purpose of this study was to clarify whether there are differences in imaging findings between pancreatic epidermoid cyst (EDC) without a solid component (residual splenic tissue) and mucinous cystic neoplasm (MCN). MATERIALS AND METHODS: The study group consisted of histologically proven EDC (eight cases) and MCN (20 cases). CT and MRI findings were compared on the following imaging findings: the shape of the cystic lesions and the presence or absence of septum, calcification, and high-intensity fluid on T1- and diffusion-weighted images (b factor = 1000)...
December 7, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29160552/cotton-rats-sigmodon-hispidus-possess-pharyngeal-pouch-remnants-originating-from-different-primordia
#11
Teppei Nakamura, Osamu Ichii, Takao Irie, Tatsuya Mizoguchi, Akio Shinohara, Hirokazu Kouguchi, Yuji Sunden, Saori Otsuka-Kanazawa, Yaser Hosny Ali Elewa, Chihiro Koshimoto, Ken-Ichi Nagasaki, Yasuhiro Kon
Pharyngeal pouches in mammals develop into specific derivatives. If the differentiation of the pharyngeal pouches is anomalous, their remnants can result in cysts, sinuses, and fistulae in the differentiated organs or around the neck. In the present study, we found several pharyngeal pouch remnants, such as cystic structures in thymus and parathyroid gland and fossulae extended from the piriform fossa, in the inbred cotton rats maintained at Hokkaido Institute of Public Health (HIS/Hiph) and University of Miyazaki (HIS/Mz)...
November 21, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29156467/-diagnosis-and-therapy-of-iris-lesions
#12
Joel M Mor, Konrad R Koch, Ludwig M Heindl
The most common iris lesions are iris nevi, iris melanomas and iris pigment epithelium cysts. However, there is an abundance of rare differential diagnoses that have to be considered, including other melanocytic and non-melanocytic lesions. Diagnostic tools include the slit lamp examination, gonioscopy, tonometry, transillumination, ultrasound biomicroscopy (UBM), optical coherence tomography, fluorescein angiography and standardized photography-assisted documentation. The timely identification of malignant lesions (i...
December 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29128135/-post-traumatic-iris-cyst
#13
A Maadane, A El Ouachkradi, I Badi, H Chahib, F Mabrouki, R Sekhsoukh
No abstract text is available yet for this article.
December 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29119030/latanoprost-induced-iris-pigment-epithelial-and-ciliary-body-cyst-formation-in-hypermetropic-eyes
#14
Abhijit Anand Mohite, Rangarajan V Prabhu, Thomas Ressiniotis
Purpose: Latanoprost has become one of the most widely prescribed topical antihypertensive medications in recent years. Yet there have been few reports of secondary iris pigment epithelial (IPE) and ciliary body (CB) cyst formation to date and none, to our knowledge, reported in eyes predisposed to primary angle closure. Methods: We report the first documented case of bilateral IPE and CB cysts in a hypermetropic patient with prior laser peripheral iridotomies (LPIs) as a rare, delayed side effect of topical Latanoprost treatment...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/29028106/correlation-between-presence-of-primary-iris-and-cilliary-body-cysts-and-intraocular-pressure
#15
K-C Xue, D-D Hu, L Zhao, N Li, H-Y Shen
OBJECTIVE: The objective of this study was to examine the correlation between the presence of primary iris-ciliary cysts and the intraocular pressure. PATIENTS AND METHODS: Sixty patients with short-sightedness undergoing routine examination for laser vision correction in our hospital in 2003 were enrolled. Patients with known high intraocular pressure and risk of glaucoma were excluded from the study. A total of 119 eyes were examined by the Ultrasound Biomicroscope (UBM), and the presence of the primary iris-ciliary cysts was confirmed...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28978593/asymmetric-glaucoma-in-pseudoplateau-iris-syndrome
#16
John S Swogger, Shelly G Jain, Andrea K Sawchyn, Gloria P Fleming
A 39-year-old Caucasian man with bilateral narrow angles, a plateau-like iris configuration on gonioscopy and elevated intraocular pressure (IOP) presented with significant asymmetric glaucoma, left eye affected more than right. Initial management with topical medical therapy, laser iridoplasty and peripheral iridotomy in the left eye was ineffective in lowering the IOP or opening the anterior chamber angle. Ultrasound biomicroscopy demonstrated bilateral ciliary body cysts. The patient ultimately required surgical management, consisting of cataract extraction and endoscopic cyclophotocoagulation of ciliary body cysts in the left eye and trabeculectomy in the right eye, for persistent IOP control to prevent further optic nerve damage and subsequent visual field loss...
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28973524/liver-cyst-gene-knockout-in-cholangiocytes-inhibits-cilium-formation-and-wnt-signaling
#17
Edgar S Wills, René H M Te Morsche, Jeroen van Reeuwijk, Nicola Horn, Iris Geomini, Liyanne F M van de Laarschot, Dorus A Mans, Marius Ueffing, Karsten Boldt, Joost P H Drenth, Ronald Roepman
Mutations in the PRKCSH, SEC63 and LRP5 genes cause autosomal dominant polycystic liver disease (ADPLD). The proteins products of PRKCSH (alias GIIB) and SEC63 function in protein quality control and processing in the endoplasmic reticulum (ER), while LRP5 is implicated in Wnt/β-catenin signaling. To identify common denominators in the PLD pathogenesis, we mapped the PLD interactome by affinity proteomics, employing both HEK293T cells and H69 cholangiocytes. Identification of known complex members, such as glucosidase IIA (GIIA) for PRKCSH, and SEC61A1 and SEC61B for SEC63, confirmed the specificity of the analysis...
November 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28931758/molecular-characterization-of-the-transition-from-acute-to-chronic-kidney-injury-following-ischemia-reperfusion
#18
Jing Liu, Sanjeev Kumar, Egor Dolzhenko, Gregory F Alvarado, Jinjin Guo, Can Lu, Yibu Chen, Meng Li, Mark C Dessing, Riana K Parvez, Pietro E Cippà, A Michaela Krautzberger, Gohar Saribekyan, Andrew D Smith, Andrew P McMahon
Though an acute kidney injury (AKI) episode is associated with an increased risk of chronic kidney disease (CKD), the mechanisms determining the transition from acute to irreversible chronic injury are not well understood. To extend our understanding of renal repair, and its limits, we performed a detailed molecular characterization of a murine ischemia/reperfusion injury (IRI) model for 12 months after injury. Together, the data comprising RNA-sequencing (RNA-seq) analysis at multiple time points, histological studies, and molecular and cellular characterization of targeted gene activity provide a comprehensive profile of injury, repair, and long-term maladaptive responses following IRI...
September 21, 2017: JCI Insight
https://www.readbyqxmd.com/read/28882598/iris-cysts-a-comprehensive-review-on-diagnosis-and-treatment
#19
REVIEW
Ilias Georgalas, Petros Petrou, Dimitrios Papaconstantinou, Dimitrios Brouzas, Chrysanthi Koutsandrea, Menelaos Kanakis
Iris cysts, both primary and secondary, are a diagnostic and treatment challenge. Primary cysts arise either from the iris pigment epithelium or the iris stroma. Posterior pigment epithelial cysts are subdivided according to their location as central, midzonal, and peripheral. Iris stromal cysts are classified either as congenital or acquired. Free-floating cysts are usually dislodged pigment epithelial cysts. Secondary cysts are classified according to the underlying cause as implantation cysts, drug-induced, uveitic, tumor-induced, parasitic, or as cysts associated with systemic disorders...
September 5, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28819174/interleukin-17-receptor-a-il-17ra-as-a-central-regulator-of-the-protective-immune-response-against-giardia
#20
Oonagh Paerewijck, Brecht Maertens, Leentje Dreesen, Frederik Van Meulder, Iris Peelaers, Dariusz Ratman, Robert W Li, Erik Lubberts, Karolien De Bosscher, Peter Geldhof
The protozoan parasite Giardia is a highly prevalent intestinal pathogen with a wide host range. Data obtained in mice, cattle and humans revealed the importance of IL-17A in the development of a protective immune response against Giardia. The aim of this study was to further unravel the protective effector mechanisms triggered by IL-17A following G. muris infection in mice, by an RNA-sequencing approach. C57BL/6 WT and C57BL/6 IL-17RA KO mice were orally infected with G. muris cysts. Three weeks post infection, intestinal tissue samples were collected for RNA-sequencing, with samples from uninfected C57BL/6 WT and C57BL/6 IL-17RA KO animals serving as negative controls...
August 17, 2017: Scientific Reports
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