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Choroidal lymphoma

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https://www.readbyqxmd.com/read/27687936/distribution-of-feline-lymphoma-in-the-central-and-peripheral-nervous-systems
#1
REVIEW
Maria Teresa Mandara, Luca Motta, Pietro Calò
In cats, lymphoma (lymphosarcoma) is the most common neoplasm affecting the spinal cord and the second most common intracranial tumour. Although lymphoma commonly develops in the spinal cord as a part of a multicentric process, a primary form may occur. Lymphoma can exhibit a wide range of morphological patterns, including intraparenchymal brain mass, lymphomatosis cerebri, intravascular lymphoma, lymphomatous choroiditis and meningitis, extradural, intradural-extramedullary or intramedullary lymphoma in the spinal cord, or neurolymphomatosis in the peripheral nerves...
October 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27432687/imaging-of-orbital-disorders
#2
Mary Beth Cunnane, Hugh David Curtin
Diseases of the orbit can be categorized in many ways, but in this chapter we shall group them according to etiology. Inflammatory diseases of the orbits may be infectious or noninfectious. Of the infections, orbital cellulitis is the most common and typically arises as a complication of acute sinusitis. Of the noninfectious, inflammatory conditions, thyroid orbitopathy is the most common and results in enlargement of the extraocular muscles and proliferation of the orbital fat. Idiopathic orbital inflammatory syndrome is another cause of inflammation in the orbit, which may mimic thyroid orbitopathy or even neoplasm, but typically presents with pain...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27315386/bilateral-uveitis-and-hyphema-in-a-catalina-macaw-ara-ararauna-%C3%A3-ara-macao-with-multicentric-lymphoma
#3
Jennifer C Hausmann, Christoph Mans, Allyson Gosling, Jaimie L Miller, Tamara Chamberlin, John R Dunn, Paul E Miller, Kurt K Sladky
A 20-year-old, female Catalina macaw (Ara ararauna × Ara macao ) was presented with bilateral uveitis and hyphema. The hyphema initially improved with 0.12% prednisolone acetate ophthalmic drops (1 drop OU q4h for 7 days), but the hyphema recurred after the drops were tapered. The bird subsequently developed inappetance, weight loss, regurgitation, and lethargy and was euthanatized 24 days after initial presentation. Necropsy revealed marked splenomegaly and hepatomegaly, with significant mucosal ulcerations of the proventriculus and petechiation associated with both kidneys...
June 2016: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/27152831/delineation-of-choroidal-and-retinal-lesions-in-posterior-uveitis-by-multispectral-wide-field-scanning-laser-ophthalmoscopy
#4
Jared E Knickelbein, Jesia Hasan, Robert B Nussenblatt, H Nida Sen
PURPOSE: To investigate whether wide-field multispectral scanning laser ophthalmoscopy could assist in determining depth of chorioretinal pathology in posterior uveitis. METHODS: Cross-sectional retrospective review of patients with birdshot chorioretinopathy (BCR; 42 eyes of 21 patients) or active primary vitreoretinal lymphoma (PVRL; 18 eyes of 10 patients) who had multispectral wide-field scanning laser ophthalmoscopy (Optos) images. Images acquired with 532 nm and 635 nm lasers were analyzed separately using Optos V Vantage Pro Review software...
May 5, 2016: Retina
https://www.readbyqxmd.com/read/27031528/external-beam-radiation-for-choroidal-lymphoma-efficacy-and-complications
#5
Arman Mashayekhi, Murat Hasanreisoglu, Carol L Shields, Jerry A Shields
PURPOSE: To determine the efficacy and safety of external beam radiation for treatment of choroidal lymphoma (CL). DESIGN: Retrospective case series. PARTICIPANTS: Twenty-five eyes of 24 patients with CL treated with external beam radiation. METHOD: Review of medical records. MAIN OUTCOME MEASURES: Tumor control, visual acuity, and radiation complications. RESULTS: The mean age of the patients was 62 years (median, 65; range, 32-89 years)...
October 2016: Retina
https://www.readbyqxmd.com/read/26986556/cytopathology-of-vitreous-humor-samples-in-routine-practice
#6
Camille Boulagnon, Alain Ducasse, Martine Patey, Marie-Danièle Diebold, Carl Arndt
OBJECTIVE: To describe findings in vitreous fluid samples in routine cytology practice. STUDY DESIGN: The pathology archives from 1988 to 2008 at our institution were searched for vitreous samples. The slides were reviewed and clinical and follow-up information was obtained. RESULTS: One hundred and eighty-two vitreous fluid samples from 166 patients were analyzed. Most of the samples had been collected for vitreous hemorrhage (75 cases). The second reason for vitreous sample cytological evaluation was an intraocular inflammatory process (55 cases)...
2016: Acta Cytologica
https://www.readbyqxmd.com/read/26889158/multimodal-imaging-and-clinicopathologic-correlation-in-primary-uveal-lymphoma
#7
Brandon Erickson, Dimosthenis Mantopoulos, Lynn Schoenfield, Colleen M Cebulla
PURPOSE: We report a rare case of primary uveal lymphoma and characterize it using histopathology and multimodal imaging. PATIENT AND METHODS: A 41-year-old male presented with a 2-year history of increasingly blurry vision in his right eye and no systemic symptoms. Examination revealed a retinal detachment and mass lesion in the right eye. Radiologic and histologic testing was performed. RESULTS: Multimodal imaging localized the lesion to the choroid, and fine needle aspiration biopsy diagnosed the lesion as a low-grade B-cell lymphoma...
January 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/26885468/isolated-third-ventricle-glioblastoma
#8
Baran Yılmaz, Murat Şakir Ekşi, Mustafa Kemal Demir, Akın Akakın, Zafer Orkun Toktaş, Özlem Yapıcıer, Türker Kılıç
INTRODUCTION: Glioblastoma is the most common and the most malignant type of gliomas. Cerebral hemispheres are usual locations for gliomas. Isolated third ventricular presentation is very rare for glioblastomas. A new case of isolated third ventricular glioblastoma has been presented in this report. CASE DESCRIPTION: A 36-year-old woman was admitted to outpatient clinic with headache, blurred vision and confusion. A head CT scan and MRI had showed third ventricular mass lesion with obstructive hydrocephalus...
2016: SpringerPlus
https://www.readbyqxmd.com/read/26862951/expression-pattern-of-the-bcl6-and-itm2b-proteins-in-normal-human-brains-and-in-alzheimer-disease
#9
Beverly W Baron, Peter Pytel
We reported that the integral membrane 2B gene (ITM2B, also called BRI2) is a target of BCL6 repression in lymphomas. Molecular alterations in ITM2B are associated with 2 neurodegenerative diseases, Familial British and Danish dementia, and dysregulation of ITM2B function has been implicated in the pathogenesis of Alzheimer disease (AD). Although ITM2B expression has been studied, the distribution of BCL6 in human brain has not been described. Our goal is to analyze BCL6 and ITM2B localization in normal human brains and in AD by immunohistochemistry to understand their relationship...
February 9, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/26541836/-management-of-uveomeningitis-in-internal-medicine-proposal-for-a-diagnostic-work-up
#10
REVIEW
S Abad, C Terrada, S Trad, D Sène, P Bielefeld, D Saadoun, P Sève
Uveomeningitis relates to an inflammatory state extending from iris and ciliary bodies to the choroid behind the eye. Because of a close contact between eye and brain, and barrier disruption, the inflammation can spread into the central nervous system (CNS). We review the clinical manifestations of uveitis, which are known to provide helpful clues to the diagnosis and describe the infectious, inflammatory, and neoplastic conditions classically associated with the uveomeningitis. Inflammatory or auto-immune diseases are probably the most common clinically recognized causes of uveomeningitis associated with a significant pleiocytosis...
January 2016: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/26482033/changes-of-choroidal-structure-after-treatment-for-primary-intraocular-lymphoma-retrospective-observational-case-series
#11
Mariko Egawa, Yoshinori Mitamura, Hiroki Sano, Kei Akaiwa, Masanori Niki, Kentaro Semba, Shozo Sonoda, Taiji Sakamoto
BACKGROUND: We report changes of choroidal structure determined by binarization of enhanced depth imaging optical coherence tomographic (EDI-OCT) images after treatment for primary intraocular lymphoma (PIOL). METHODS: Five eyes of four patients with PIOL were examined by EDI-OCT before and 6 months after intravitreal methotrexate injections. In addition, 15 eyes of 15 normal individuals controlled by age and refractive error were examined by EDI-OCT. Binarization of the EDI-OCT images was performed using publicly accessible software (ImageJ)...
2015: BMC Ophthalmology
https://www.readbyqxmd.com/read/25947067/primary-extranodal-marginal-zone-b-cell-lymphoma-with-diffuse-uveal-involvement-and-focal-infiltration-of-the-trabecular-meshwork-a-case-report-and-review-of-literature
#12
REVIEW
Xinxiao Gao, Bin Li, Qisheng You, Xiaoyan Peng
BACKGROUND: Primary extranodal marginal zone lymphoma (EMZL) of the uvea is a rare condition and diagnosis may be challenging. We aim to report the clinical, histopathologic and immunohistochemical findings in a case of primary EMZL with diffuse uveal involvement and focal infiltration of the trabecular meshwork. CASE PRESENTATION: A 38-year-old male presented with 2-year progressive vision loss in the right eye. Fundus examination showed choroidal thickening with diffuse retinal pigment epithelium (RPE) changes and inferior exudative retinal detachment...
2015: BMC Ophthalmology
https://www.readbyqxmd.com/read/25827541/review-of-spectral-domain-enhanced-depth-imaging-optical-coherence-tomography-of-tumors-of-the-choroid
#13
Carol L Shields, Janet Manalac, Chandana Das, Jarin Saktanasate, Jerry A Shields
BACKGROUND: Spectral domain enhanced depth imaging optical coherence tomography (EDI-OCT) can provide anatomic localization of intraocular tumors. AIMS: The aim was to identify topographical and intrinsic patterns of choroidal tumors on EDI-OCT. SETTINGS AND DESIGN: Retrospective review. MATERIALS AND METHODS: Analysis of published reports and personal observations using office based EDI-OCT. RESULTS: Using EDI-OCT, choroidal nevus displayed a smooth, dome-shaped topography with overlying retinal pigment epithelium alterations, drusen, and occasional subretinal cleft demonstrating photoreceptor loss...
February 2015: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/25693876/-diagnostics-and-treatment-of-choroidal-lymphoma
#14
D Doycheva, M Zierhut, D Süsskind, K U Bartz-Schmidt, C Deuter
Choroidal lymphoma is a rare disease and can be classified into primary and secondary choroidal lymphomas. Primary choroidal lymphoma is a low-grade extranodal marginal zone B-cell lymphoma and secondary choroidal lymphomas present ocular manifestations of disseminated systemic lymphomas. Typical clinical features of choroidal lymphoma are multifocal, yellow-whitish choroidal infiltrates. The vitreous body is usually clear and cell-free. Choroidal lymphoma has a tendency to extend through the sclera. In contrast to primary choroidal lymphoma, which is more often unilateral, does not show signs of anterior segment involvement and has a slow progression, secondary choroidal lymphoma is more often bilateral, has a rapidly progressive course with anterior segment and vitreous involvement and belongs to the high-grade lymphomas...
March 2015: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/25574788/sclerochoroidal-calcification-clinical-features-outcomes-and-relationship-with-hypercalcemia-and-parathyroid-adenoma-in-179-eyes
#15
Carol L Shields, Murat Hasanreisoglu, Jarin Saktanasate, Patrick W Shields, Ira Seibel, Jerry A Shields
PURPOSE: To describe the clinical features and long-term ophthalmic and systemic findings in patients with sclerochoroidal calcification (SCC). METHODS: Retrospective non-interventional clinical chart review of 179 eyes of 118 patients with SCC to evaluate for the relationship of SCC with systemic calcium metabolic abnormalities. RESULTS: The mean patient age at diagnosis was 69 years. There were 47 (40%) men and 71 (60%) women of Caucasian (n = 116, 98%) and Hispanic (n = 2, 2%) heritage...
March 2015: Retina
https://www.readbyqxmd.com/read/25558789/choroidal-metastasis-response-to-crizotinib-in-a-ros1-rearranged-nsclc-patient
#16
Stephanie Lu, Michele C Azada, Sai-Hong Ignatius Ou
OBJECTIVES: Choroidal metastases are uncommon metastasis from non-small cell lung cancer (NSCLC). With improved survival from the use of targeted therapy against actionable driver mutation driven NSCLC, the incidence of choroidal metastases seems to be increasing. Recently, there are several case reports of choroidal metastases in patients with anaplastic lymphoma kinase (ALK)-driven NSCLC one of which the patient's choroidal metastases had responded to crizotinib, multi-targeted tyrosine kinase inhibitor against ALK/ROS1/MET...
February 2015: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/25541838/clinical-variability-of-ocular-involvement-in-mycosis-fungoides
#17
Denis Jusufbegovic, Devron H Char
IMPORTANCE: Mycosis fungoides (MF) is the most common subtype of cutaneous T-cell lymphoma and may rarely infiltrate the ocular structures. Ophthalmic findings in MF can be highly variable. The most commonly involved ocular tissue is the eyelid skin, but intraocular involvement can be seen in patients with extensive systemic disease. To our knowledge, an isolated eyelid mass as an initial manifestation of MF has not been previously reported. OBSERVATIONS: We report a series of 4 cases of ocular involvement in patients with MF demonstrating a highly variable ophthalmic presentation of this disease...
March 2015: JAMA Ophthalmology
https://www.readbyqxmd.com/read/25530349/-epidemiological-and-clinical-characteristics-of-primary-ocular-cancers-in-blacks-our-experience-with-111-cases
#18
S M Seck, G Agboton, N N Gueye, J Diop, C M Seck, A Lam
INTRODUCTION: In this work, the authors aim to study clinical and epidemiological characteristics of ocular and orbital primary cancers in sub-Saharan African. PATIENTS AND METHODS: This is a retrospective study over a period of 21 years, from 1984 to 2004, including all cases of ocular cancer, histologically proven after surgery of the globe or the orbit. For each patient, we studied the following parameters: age, sex, reason(s) for consultation, the affected eye, and histological result of the operative specimen...
January 2015: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/25247376/systemic-rituximab-immunotherapy-in-the-management-of-primary-ocular-adnexal-lymphoma-single-institution-experience
#19
Samuray Tuncer, Burak Tanyıldız, Mert Basaran, Nesimi Buyukbabani, Oner Dogan
PURPOSE: To evaluate the efficacy of systemic rituximab immunotherapy in the management of primary ocular adnexal lymphomas (OAL). MATERIALS AND METHODS: Clinical records of 10 consecutive patients (11 eyes) with biopsy-proven OAL managed with systemic anti-CD20 monoclonal antibody (rituximab; 375 mg/m(2) intravenously once every three weeks for 6-8 cycles) between June 2008-March 2013 were evaluated retrospectively. Orbital magnetic resonance imaging and positron emission tomography were performed to evaluate any orbital and systemic involvement, respectively...
2015: Current Eye Research
https://www.readbyqxmd.com/read/25233826/an-old-disease-in-an-atypical-place
#20
Laura Pelegrín, Alfredo Adán, Armando López-Guillermo, Antonio Martinez, Carol L Shields
A 72-year-old man presented with signs on uveítis. Biopsy of an iris lesion established the diagnosis of uveal MALT lymphoma with presumed choroidal involvement.
November 2014: Survey of Ophthalmology
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