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Iris Cyst

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https://www.readbyqxmd.com/read/27856029/optical-coherence-tomography-angiography-characteristics-of-iris-melanocytic-tumors
#1
Alison H Skalet, Yan Li, Chen D Lu, Yali Jia, ByungKun Lee, Lennart Husvogt, Andreas Maier, James G Fujimoto, Charles R Thomas, David Huang
PURPOSE: To evaluate tumor vasculature with optical coherence tomography angiography (OCTA) in malignant iris melanomas and benign iris lesions. DESIGN: Cross-sectional observational clinical study. PARTICIPANTS: Patients with iris lesions and healthy volunteers. METHODS: Eyes were imaged using OCTA systems operating at 1050- and 840-nm wavelengths. Three-dimensional OCTA scans were acquired. Iris melanoma patients treated with radiation therapy were imaged again after I-125 plaque brachytherapy at 6 and 18 months...
November 14, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27843903/free-floating-pigmented-cysts-in-the-anterior-chamber-causing-ocular-hypertension
#2
Jessica S Maslin, Christopher C Teng, Miguel Materin
PURPOSE: The aim of this study was to describe the clinical and histopathological features of a 36-year-old male with hundreds of recurrent, unilateral, free-floating, pigmented cysts in the anterior chamber causing ocular hypertension. PROCEDURES: The patient was referred to ocular oncology for blurry vision of the right eye and was found to have myriad pigmented, free-floating cysts in the anterior chamber and heavy pigmentation of the angle on gonioscopy. Anterior chamber washout was performed, and the fluid recovered was sent for pathological analysis...
October 2016: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/27843899/dissecting-aortic-aneurysm-55-years-after-diagnosis-of-iris-flocculi
#3
Jerry A Shields, George N Magrath, Carol Shields, Richard Mackool, Ralph C Eagle, Hans E Grossniklaus
PURPOSE: The aim of this study is to report the clinical features, imaging studies, surgical removal, and pathology of congenital iris flocculi in a patient who developed a life-threatening dissecting aortic aneurysm after 55 years of follow-up. METHODS: Documentation with iris photography was performed from age 18 to 55 years, at which time anterior segment optical coherence tomography (OCT) was performed. At the time of subsequent cataract surgery, the iris flocculi were removed in each eye and submitted for light and electron microscopy...
October 2016: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/27625966/iris-pigment-epithelial-cysts-in-a-newborn
#4
Shabnam Zargar, Kevin John Prendiville, Eladio Martinez
PURPOSE: We report a case of iris pigment epithelial cysts in a newborn and discuss the importance of an accurate diagnosis for prevention of amblyopia. METHODS: We describe a case of an abnormal red reflex seen on a newborn exam. RESULTS: A full-term female born via normal spontaneous vaginal delivery without any complications was seen in the newborn nursery. She was noted to have an abnormal eye exam. Pupils were large with circular dark excrescences of the iris pigment epithelium...
2016: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/27546162/-congenital-iris-cyst
#5
A-L Rémond, B Bodaghi, P Le Hoang
No abstract text is available yet for this article.
September 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27488998/acute-kidney-injury-induces-hallmarks-of-polycystic-kidney-disease
#6
Almira Kurbegovic, Marie Trudel
Acute kidney injury (AKI) and autosomal dominant polycystic kidney disease (ADPKD) are considered separate entities that both frequently cause renal failure. Since ADPKD appears to depend on a polycystin-1 (Pc1) or Pc2 dosage mechanism, we investigated whether slow progression of cystogenesis in two Pkd1 transgenic mouse models can be accelerated with moderate ischemia-reperfusion injury (IRI). Transient unilateral left ischemic kidneys in both nontransgenic and transgenic mice reproducibly develop tubular dilatations, cysts, and typical PKD cellular defects within 3 mo post-IRI...
October 1, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27440405/clinical-behavior-of-intraocular-teratoid-medulloepithelioma-in-two-related-quarter-horses
#7
Caroline S Monk, William F Craft, Jeffrey R Abbott, Lisa L Farina, Sarah M Reuss, Sarah L Czerwinski, Dennis E Brooks, Caryn E Plummer
The objective of this paper is to describe clinical behavior, histopathologic features, and immunohistochemical staining of two-related horses with intraocular teratoid medulloepithelioma. Two-related Quarter Horses with similar intraocular masses presented to the UF-CVM Comparative Ophthalmology Service for evaluation and treatment. The first horse, a 3-year-old gelding, had glaucoma and a cyst-like mass in the anterior chamber. Enucleation was performed. Histopathology revealed a teratoid medulloepithelioma...
July 20, 2016: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27376231/strategies-for-the-management-of-congenital-iris-cysts
#8
Shabana Chaudhry, Khawaja Khalid Shoaib, Stephen Hing, James Smith
Iris cysts can arise from iris pigment epithelium or stroma. We present 3 cases of iris cysts which have been managed in different ways. In a one-month neonate, cyst was punctured with keratome and gentle diode laser endophotocoagulation was applied to the base. A2.5-month infant presented with watering and blepharospasm since birth. Clear fluid was aspirated from the cyst with a 27-gauge needle and Ethanol 96% (ETOH) was injected into the cyst and then aspirated. It was followed by injection/aspiration of 0...
June 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27320016/iris-cyst-in-a-child-with-aicardi-syndrome-a-novel-association
#9
Ariane Chappaz, Daniel Barthelmes, Lorenz Buser, Jens Funk, Christina Gerth-Kahlert
Aicardi syndrome is a rare X-linked cerebro-retinal disorder characterized by agenesis or dysgenesis of the corpus callosum, seizures, and chorioretinal lacunae; microphthalmia or optic nerve coloboma may also be observed. We report the case of an infant born with severe ocular malformations, including an anterior chamber cyst in one eye, which was surgically removed.
June 16, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27264875/hiv-associated-cystic-lesions-of-the-parotid-gland
#10
Noriko Ogasawara, Ken-Ichi Takano, Hajime Kobayashi, Keisuke Kikushi, Hiroshi Matsumiya, Iwao Yoshioka, Tetsuo Himi
We present two cases of an HIV-associated parotid gland cyst. One case was a 36-year-old HIV infected woman. She was diagnosed with HIV infection and presented with slowly enlarged parotid gland cysts together with elevation of HIV viral RNA copies/mL in her serum. She was performed parotid gland biopsy under the general anesthesia. The histopathologic analysis revealed negative HIV p24-antigen in her parotid gland tissue. The other case was a 43-year-old man found his parotid gland swelling shortly after highly active antiretroviral therapy (HAART)...
June 2, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27149537/anterior-chamber-epithelial-cyst-after-uneventful-deep-anterior-lamellar-keratoplasty
#11
José F Costa, Marco Rego, Andreia Rosa, Esmeralda Costa, Pedro Fonseca, Maria Luz Cachulo, Júlia Veríssimo, Maria João Quadrado, Joaquim Murta
PURPOSE: To report the case of an anterior chamber epithelial cyst after uncomplicated deep anterior lamellar keratoplasty (DALK) treated with a tissue-sparing surgical technique. METHODS: A 35-year-old female patient underwent DALK in her OS because of stage IV keratoconus. The surgery was uneventful, and 3 months postoperatively, best-corrected visual acuity (BCVA) was 20/25. By the sixth postoperative month, a cystic iris lesion was noticed. The lesion grew progressively larger, and BCVA dropped to 20/63 in OS...
October 2016: Cornea
https://www.readbyqxmd.com/read/27099161/female-cotton-rats-sigmodon-hispidus-develop-chronic-anemia-with-renal-inflammation-and-cystic-changes
#12
Osamu Ichii, Teppei Nakamura, Takao Irie, Hirokazu Kouguchi, Daisuke Nakamura, Saori Nakamura, Shinobu Sato, Keisuke Yokoyama, Taro Horino, Yuji Sunden, Yaser Hosny Ali Elewa, Yasuhiro Kon
The cotton rat (Sigmodon hispidus) is a laboratory rodent that has been used for studies on human infectious diseases. In the present study, we observed that female cotton rats, not the male cotton rats, developed chronic anemia characterized by reduced red blood cell, hemoglobin, and hematocrit levels from 5 to 9 months of age without any changes in the mean corpuscular hemoglobin and volume levels. In peripheral blood, the reticulocyte count did not increase in response to anemia in female cotton rats, and no extramedullary hematopoiesis was observed in the liver or spleen...
September 2016: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/26998354/optical-coherence-tomography-an-adjunctive-tool-for-differentiating-between-choroidal-melanoma-and-metastasis
#13
Vicktoria Vishnevskia-Dai, Dinah Zur, Shiran Yaacobi, Iris Moroz, Hadas Newman, Meira Neudorfer
Purpose. To investigate the value of optical coherence tomography (OCT) for differentiation between choroidal melanoma and metastasis based on characteristics of the anterior choroidal surface and the chorioretinal interface. Methods. This retrospective observational case series included 29 patients with untreated choroidal melanomas and 21 patients with untreated choroidal metastases. Regularity and lobularity characteristics of the anterior choroidal surface were evaluated in a masked manner. Retinal and retinal pigment epithelium (RPE) findings were documented as well...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/26904334/free-floating-iris-pigmented-epithelial-cyst-in-the-anterior-chamber
#14
Tryfon Rotsos, Georgios Bagikos, Spyridon Christou, Chrysanthos Symeonidis, Thekla Papadaki, Ioannis Papaeuthimiou, Dimitrios Miltsakakis
An unusual case of a free-floating peripheral pigmented cyst in the anterior chamber is presented. A 30-year-old Caucasian male presented reporting a visual defect on his right eye in prone position over the past year. Slit-lamp examination revealed a small pigmented free-floating peripheral iris cyst at the 6 o'clock position in the anterior chamber. Ultrasound biomicroscopy revealed an unfixed epithelial pigmented cyst with an extremely thin wall and no internal reflectivity. Due to the lack of severity of visual disturbance of the patient, no surgical treatment was indicated...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/26786832/sarcocystis-spp-in-sheep-and-goats-frequency-of-infection-and-species-identification-by-morphological-ultrastructural-and-molecular-tests-in-bahia-brazil
#15
Marta Vasconcelos Bittencourt, Iris Daniela S Meneses, Müller Ribeiro-Andrade, Rogério Fernando de Jesus, Flábio Ribeiro de Araújo, Luís F Pita Gondim
Sarcocystis spp. are cyst-forming coccidia that infect numerous animals species, including several livestock species. Despite the importance of sheep and goat production in Brazil, little it is known about the Sarcocystis species that infect small ruminants in the country and their potential impact on meat condemnation due to the presence of macroscopic cysts of the parasite. The aims of the present study were to determine the frequency of infection by Sarcocystis spp. in goats and sheep intended for human consumption in Bahia State, Brazil, as well as to identify the parasite species in selected samples...
April 2016: Parasitology Research
https://www.readbyqxmd.com/read/26692126/ultrasound-biomicroscopic-analysis-of-iris-cysts
#16
L Pedro-Aguilar, C Fuentes-Cataño, M Pedroza-Seres
PURPOSE: To describe the ultrasound biomicroscopic (UBM) features and complications associated with iris cysts. DESIGN: A retrospective case series. METHODS: Thirteen patients with iris cysts were identified in a 10 year period study at a ophthalmologic reference Center in Mexico City. The variables included demographic data, ocular and medical history, clinical course, and complications. All patients were examined by UBM, and type, number, location, and acoustic characteristics of cysts were evaluated...
February 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/26689253/floating-iris-cyst-mimicking-intravitreal-cysticercosis
#17
Parijat Chandra, Anil Gangawe, Deepali Singhal, Atul Kumar
No abstract text is available yet for this article.
December 21, 2015: BMJ Case Reports
https://www.readbyqxmd.com/read/26550968/immunohistochemical-characterization-of-the-ectopic-epithelium-devoid-of-goblet-cells-from-a-posttraumatic-iris-cyst-causing-mucogenic-glaucoma
#18
Haruka Wakae, Tomomi Higashide, Koichi Tsuneyama, Takahiro Nakamura, Kanji Takahashi, Kazuhisa Sugiyama
PURPOSE: Mucogenic glaucoma is an unusual form of secondary open-angle glaucoma caused by intracameral ectopic mucus-producing epithelium. To date, only 3 cases have been described in detail. Numerous goblet cells in the specimens indicated a possible conjunctival origin. We immunohistochemically characterized the implanted epithelium from an iris cyst responsible for mucogenic glaucoma. METHODS: A series of immunostaining analyses were performed on a sector-iridectomy specimen derived from an eye with mucogenic glaucoma and a history of limbal penetrating injury...
March 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/26347837/the-diagnostic-and-therapeutic-challenges-of-posttraumatic-iris-implantation-cysts-illustrative-case-presentations-and-a-review-of-the-literature
#19
Nandini Venkateswaran, Steven S T Ching, William Fischer, Frank Lee, Gabrielle Yeaney, Holly B Hindman
Posttraumatic iris implantation cysts are rare ocular findings that are often associated with poor visual outcomes. Iris implantation cysts can present clinicians with diagnostic and therapeutic challenges given their variable presentations and frequently destructive nature. In this paper, we provide descriptions of two unusual cases of posttraumatic iris implantation cysts. The first case is of a recurrent keratin-filled iris implantation cyst that developed after open globe injury and intraocular implantation of cilia and was treated with cyst debulking procedures, injections of 5-Fluorouracil, and iridocyclectomy...
2015: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/26329336/the-longitudinal-reliability-and-responsiveness-of-the-omeract-hand-osteoarthritis-magnetic-resonance-imaging-scoring-system-hoamris
#20
Ida K Haugen, Iris Eshed, Frederique Gandjbakhch, Violaine Foltz, Mikkel Østergaard, Pernille Bøyesen, Paul Bird, Harry K Genant, Charles G Peterfy, Philip G Conaghan
OBJECTIVE: To evaluate the interreader reliability of change scores and the responsiveness of the OMERACT Hand Osteoarthritis (OA) Magnetic Resonance Image (MRI) Scoring System (HOAMRIS). METHODS: Paired MRI (baseline and 5-yr followup) from 20 patients with hand OA were scored with known time sequence by 3 readers according to the HOAMRIS: Synovitis, erosive damage, cysts, osteophytes, cartilage space loss, malalignment, and bone marrow lesions (BML; 0-3 scales with 0...
December 2015: Journal of Rheumatology
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