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Iris Cyst

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https://www.readbyqxmd.com/read/29128135/-post-traumatic-iris-cyst
#1
A Maadane, A El Ouachkradi, I Badi, H Chahib, F Mabrouki, R Sekhsoukh
No abstract text is available yet for this article.
November 8, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29119030/latanoprost-induced-iris-pigment-epithelial-and-ciliary-body-cyst-formation-in-hypermetropic-eyes
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28757203/biallelic-mutations-in-lipt2-cause-a-mitochondrial-lipoylation-defect-associated-with-severe-neonatal-encephalopathy
#9
Florence Habarou, Yamina Hamel, Tobias B Haack, René G Feichtinger, Elise Lebigot, Iris Marquardt, Kanetee Busiah, Cécile Laroche, Marine Madrange, Coraline Grisel, Clément Pontoizeau, Monika Eisermann, Audrey Boutron, Dominique Chrétien, Bernadette Chadefaux-Vekemans, Robert Barouki, Christine Bole-Feysot, Patrick Nitschke, Nicolas Goudin, Nathalie Boddaert, Ivan Nemazanyy, Agnès Delahodde, Stefan Kölker, Richard J Rodenburg, G Christoph Korenke, Thomas Meitinger, Tim M Strom, Holger Prokisch, Agnes Rotig, Chris Ottolenghi, Johannes A Mayr, Pascale de Lonlay
Lipoate serves as a cofactor for the glycine cleavage system (GCS) and four 2-oxoacid dehydrogenases functioning in energy metabolism (α-oxoglutarate dehydrogenase [α-KGDHc] and pyruvate dehydrogenase [PDHc]), or amino acid metabolism (branched-chain oxoacid dehydrogenase, 2-oxoadipate dehydrogenase). Mitochondrial lipoate synthesis involves three enzymatic steps catalyzed sequentially by lipoyl(octanoyl) transferase 2 (LIPT2), lipoic acid synthetase (LIAS), and lipoyltransferase 1 (LIPT1). Mutations in LIAS have been associated with nonketotic hyperglycinemia-like early-onset convulsions and encephalopathy combined with a defect in mitochondrial energy metabolism...
August 3, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28685998/iridociliary-cysts-masquerading-as-neoplasia-in-cats-a-morphologic-review-of-14-cases
#10
Jessica A Fragola, Richard R Dubielzig, Ellison Bentley, Leandro B C Teixeira
OBJECTIVE: To report 14 neoplasia-free feline eyes enucleated for suspected intraocular neoplasia containing only iridociliary cysts. To analyze clinical findings that may have led veterinarians to suspect neoplasia in these globes. PROCEDURES: The archives at the Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) were searched to identify neoplasia-free feline globes enucleated for suspected neoplasia. Clinical data were obtained from medical records, veterinarian surveys, and COPLOW submission forms...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28665440/detection-of-an-iris-pigmented-epithelium-cyst-in-a-child-by-high-frequency-ultrasonography
#11
Amir Mahdjoubi, Laurence Desjardins, Olivier Bergès, Jérémy Couprie, Nathalie Cassoux
An 18-month-old boy presented with an iris pigmented epithelium cyst. The diagnosis was confirmed using high frequency ultrasonography. The cyst was determined to be in an intermediate location, thus needing no treatment provided that any potential complications were noted. However, continued monitoring is required to detect any changes to adapt management. [J Pediatr Ophthalmol Strabismus. 2017;54:e31-e33.].
June 29, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28577553/the-refractive-state-of-the-eye-in-icelandic-horses-with-the-silver-mutation
#12
Maria K Johansson, Kim Jäderkvist Fegraeus, Gabriella Lindgren, Björn Ekesten
BACKGROUND: The syndrome Multiple Congenital Ocular Anomalies (MCOA) is a congenital eye disorder in horses. Both the MCOA syndrome and the Silver coat colour in horses are caused by the same missense mutation in the premelanosome protein (PMEL) gene. Horses homozygous for the Silver mutation (TT) are affected by multiple ocular defects causing visual impairment or blindness. Horses heterozygous for the Silver mutation (CT) have less severe clinical signs, usually cysts arising from the ciliary body iris or retina temporally...
June 2, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28541267/choroidal-melanoma-sector-melanocytosis-and-retinal-pigment-epithelial-microdetachments-in-birt-hogg-dub%C3%A3-syndrome
#13
Charlotte L Marous, Molly R Marous, R Joel Welch, Jerry A Shields, Carol L Shields
PURPOSE: Birt-Hogg-Dubé Syndrome (BHDS) is a rare autosomal dominant condition that can predispose patients to numerous cutaneous fibrofolliculomas and other cutaneous lesions, pulmonary cysts with spontaneous pneumothorax, and multifocal renal tumors and cancer. The genetic mutations responsible for BHDS are related to tumor suppression and the mammalian target of rapamycin (mTOR) pathway. Previous reports of the ocular findings in BHDS include eyelid fibrofolliculomas, "flecked chorioretinopathy," and one report of choroidal melanoma...
May 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28528833/bilobed-iris-stromal-epithelial-cyst
#14
Vasilios P Papastefanou, Victoria M L Cohen
No abstract text is available yet for this article.
June 2017: Ophthalmology
https://www.readbyqxmd.com/read/28470658/-free-floating-intraocular-cysts
#15
Jens Ulrich Werner, Gerhard K Lang, Christian Enders
Background Free-floating intraocular cysts may be found in the anterior chamber (FZV) and the vitreous (FZG). The first description of a cyst was 150 years ago, and they are considered to be ocular rarities. Materials and Methods The actual knowledge about FZV and FZG is shown on the basis of two exemplary patients. Results and Discussion Patient 1 had a FZV as an incidental finding which had a smooth surface, a slight pigmentation and was translucent. The ultrasound biomicroscopy revealed an echo-free interior space...
May 3, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28399346/tumors-and-related-lesions-of-the-pigmented-epithelium
#16
REVIEW
Jerry A Shields, Carol L Shields
Several tumors and pseudotumors can arise from the iris pigment epithelium (IPE), ciliary pigment epithelium (CPE), and retinal pigment epithelium (RPE), including cysts of the IPE, solitary congenital hypertrophy of the RPE (CHRPE), multifocal CHRPE ("bear tracks"), congenital simple hamartoma of the RPE, combined hamartoma of the retina and RPE, and acquired epithelioma of IPE, CPE, and RPE. This article describes examples of pigment epithelial tumors and pseudotumors by reviewing the literature and cases on file in the Oncology Service at Wills Eye Hospital...
March 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28356777/intraocular-eyelashes-and-iris-cyst-in-anterior-chamber-following-penetrating-eye-injury-a-case-report
#17
Sabin Sahu, Lila Raj Puri, Sanjay Kumar Singh
BACKGROUND: The presence of intraocular eyelashes following penetrating eye injury or ocular surgery is relatively uncommon. The response of the eye to intraocular eyelashes is variable. The eyelash may be symptomatic or may remain asymptomatic for long periods. OBJECTIVE: We report a case with two intraocular eyelashes and an iris cyst after 2 years of asymptomatic period following penetrating eye injury. CASE PRESENTATION: A 24-year-old male presented with decreased vision in the left eye which he had noticed for the previous 2 weeks...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28355453/dermoscopic-clues-for-diagnosing-melanomas-that-resemble-seborrheic-keratosis
#18
MULTICENTER STUDY
Cristina Carrera, Sonia Segura, Paula Aguilera, Massimiliano Scalvenzi, Caterina Longo, Alicia Barreiro, Paolo Broganelli, Stefano Cavicchini, Alex Llambrich, Pedro Zaballos, Luc Thomas, Josep Malvehy, Susana Puig, Iris Zalaudek
Importance: Melanomas that clinically mimic seborrheic keratosis (SK) can delay diagnosis and adequate treatment. However, little is known about the value of dermoscopy in recognizing these difficult-to-diagnose melanomas. Objective: To describe the dermoscopic features of SK-like melanomas to understand their clinical morphology. Design, Setting, and Participants: This observational retrospective study used 134 clinical and dermoscopic images of histopathologically proven melanomas in 134 patients treated in 9 skin cancer centers in Spain, France, Italy, and Austria...
June 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28264219/diagnosis-of-an-invisible-iris-cyst-using-autorefractometry-and-anterior-segment-optical-coherence-tomography
#19
T M Müller, P August, M Jesse, A P Lange
No abstract text is available yet for this article.
April 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28250145/development-and-reliability-of-the-omeract-thumb-base-osteoarthritis-magnetic-resonance-imaging-scoring-system
#20
Féline P B Kroon, Philip G Conaghan, Violaine Foltz, Frédérique Gandjbakhch, Charles Peterfy, Iris Eshed, Harry K Genant, Mikkel Østergaard, Margreet Kloppenburg, Ida K Haugen
OBJECTIVE: To develop the Outcome Measures in Rheumatology (OMERACT) thumb base osteoarthritis (OA) magnetic resonance imaging (MRI) scoring system (TOMS) for the assessment of inflammatory and structural abnormalities in this hand OA subset, and test its cross-sectional reliability. METHODS: Included features and their scaling were agreed upon by members of the OMERACT MRI Task Force using the Hand OA MRI scoring system as a template. A reliability exercise was performed in which 3 readers participated, using a preliminary atlas with examples to facilitate reading...
March 1, 2017: Journal of Rheumatology
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