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https://www.readbyqxmd.com/read/29146061/sarcoid-like-granulomas-in-renal-cell-carcinoma-the-houston-methodist-hospital-experience
#1
Komal Arora, Mukul K Divatia, Luan Truong, Steven S Shen, Alberto G Ayala, Jae Y Ro
Sarcoid-like (SL) granulomas have been previously described in association with malignant tumors. These granulomas appear to be tumor-related but are not indicative of systemic sarcoidosis, and hence are referred to as SL reactions. These SL reactions can be seen within the primary tumor, its vicinity, or in uninvolved sites such as the spleen, bone marrow, skin, and/or regional lymph nodes draining the tumor. It is a widely held view that SL granulomas are caused by soluble antigenic factors, shed by tumor cells or released due to tumor necrosis...
December 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29123243/immunohistochemical-detection-of-propionibacterium-acnes-in-the-retinal-granulomas-in-patients-with-ocular-sarcoidosis
#2
Kenji Nagata, Yoshinobu Eishi, Keisuke Uchida, Kazuhito Yoneda, Hiroki Hatanaka, Toru Yasuhara, Maho Nagata, Chie Sotozono, Shigeru Kinoshita
The etiology of sarcoidosis is still obscure; however, Mycobacteria and Propionibacterium acnes are considered the most implicated etiological agent for sarcoidosis. To investigate whether P. acnes is an etiological agent for sarcoid uveitis, we analyzed the frequency of P. acnes detected within the biopsied retinas from patients with ocular sarcoidosis by immunohistochemistry with a P. acnes-specific monoclonal antibody (PAB antibody). Eleven patients (12 eyes) with sarcoid uveitis were enrolled in this study...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121149/sarcoid-bayes-and-the-challenges-of-laboratory-testing-for-uveitis
#3
Russell N Van Gelder
No abstract text is available yet for this article.
November 9, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29097077/severe-myocardial-fibrosis-after-sarcoid-inflammation
#4
Mario Sutil-Vega, Daniel Romeu Vilar, Eulàlia Roig
No abstract text is available yet for this article.
October 30, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29068911/acquired-vitelliform-lesions-that-respond-to-immune-suppression-in-a-patient-with-sarcoidosis
#5
Hans B Heymann, Lee M Jampol
PURPOSE: To describe a patient with sarcoid uveitis who developed bilateral vitelliform lesions with subretinal fluid that responded to immune suppression on three occasions. METHODS: Chart review was performed on a single patient to collect all relevant clinical information and diagnostic imaging. RESULTS: A case of sarcoidosis with acquired vitelliform lesions is described. CONCLUSION: Patients with ocular sarcoidosis can rarely develop vitelliform lesions...
October 24, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29037464/-ocular-sarcoidosis-what-the-internist-should-know
#6
P Sève, L Kodjikian, Y Jamilloux
Sarcoidosis is one of the leading causes of inflammatory eye disease. Any part of the eye and its adnexal tissues can be involved. Uveitis and optic neuropathy are the main manifestations, which the internists face. This review reports the state of knowledge for these two ocular involvements and proposes an assessment-algorithm for sarcoidosis in patients with suspected sarcoid uveitis. Two groups of patients with sarcoid uveitis can be distinguished: one young and multiethnic group in which ophthalmological findings are various and another group of elderly Caucasian women with mostly chronic posterior uveitis...
October 13, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29024572/radiological-manifestations-of-immune-related-adverse-effects-observed-in-patients-with-melanoma-undergoing-immunotherapy
#7
Parveen Sidhu, Alexander M Menzies, Georgina Long, Matteo Carlino, Shirleen Lorens, Rony Kapoor
Immunotherapy drugs work by stimulating the patient's own immune system to recognize and destroy cancer cells. This subclass of drugs is increasingly administered to patients with advanced melanoma. They are also commonly incorporated into other cancer therapies such as non-small cell lung cancer, renal cancer, head and neck cancers and Hodgkin lymphoma. The most commonly administered immunotherapeutic agents in the treatment of melanoma include programmed cell death protein 1 (PD-1) inhibitors, cytotoxic T-lymphocyte antigen 4 (CTLA-4) inhibitors and a subclass of cytokines...
October 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28985733/topical-use-of-5-acyclovir-cream-for-the-treatment-of-occult-and-verrucous-equine-sarcoids-a-double-blinded-placebo-controlled-study
#8
Maarten Haspeslagh, Mireia Jordana Garcia, Lieven E M Vlaminck, Ann M Martens
BACKGROUND: Previous studies mention the use of topical acyclovir for the treatment of equine sarcoids. Success rates vary and since the bovine papillomavirus (BPV) lacks the presence of a kinase necessary to activate acyclovir, there is no proof of its activity against equine sarcoids. RESULTS: Twenty-four equine sarcoids were topically treated with acyclovir cream and 25 with a placebo. Both creams were applied twice daily during 6 months. Before the start of the treatment and further on a monthly basis, photographs and swabs were obtained...
October 6, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28983872/pearls-and-pitfalls-of-optical-coherence-tomography-angiography-in-the-multimodal-evaluation-of-uveitis
#9
REVIEW
Francesco Pichi, David Sarraf, Mariachiara Morara, Shahana Mazumdar, Piergiorgio Neri, Vishali Gupta
BACKGROUND: Optical coherence tomography angiography (OCTA) employs a novel imaging algorithm that detects the amplitude or phase decorrelation of blood cell movement. It thus provides a flow map with depth-resolved visualization of the various vascular layers in the posterior pole of the eye including the retina capillary plexus and the choroid. In the past 3 years, the number of research papers on the subject of OCTA in retinal diseases has grown exponentially including important applications in the field of uveitis...
October 5, 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/28967434/-sarcoid-like-granulomatosis-associated-with-eosinophilic-fasciitis
#10
E Zuelgaray, C Sallé de Chou, M-D Vignon-Pennamen, M Battistella, S Leonard-Louis, L Hefez, F Guibal, M Bagot, J-D Bouaziz
BACKGROUND: Eosinophilic fasciitis (EF) is a rare condition characterized by swelling of the extremities, sclerodermatous evolution and frequent hypereosinophilia. Hematological disorders, including aplastic anemia, solid tumors and autoimmune diseases, may be associated with EF. EF is usually not associated with granulomatous diseases. CASE REPORT: Herein we describe the case of an 80-year-old man with symmetrical swelling and sclerosis of the legs, typical of EF, associated with skin and lymph node granulomas...
September 26, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28955342/mass-cytometry-identifies-distinct-lung-cd4-t-cell-patterns-in-l%C3%A3-fgren-s-syndrome-and-non-l%C3%A3-fgren-s-syndrome-sarcoidosis
#11
Ylva Kaiser, Tadepally Lakshmikanth, Yang Chen, Jaromir Mikes, Anders Eklund, Petter Brodin, Adnane Achour, Johan Grunewald
Sarcoidosis is a granulomatous disorder of unknown etiology, characterized by accumulation of activated CD4(+) T cells in the lungs. Disease phenotypes Löfgren's syndrome (LS) and "non-LS" differ in terms of clinical manifestations, genetic background, HLA association, and prognosis, but the underlying inflammatory mechanisms largely remain unknown. Bronchoalveolar lavage fluid cells from four HLA-DRB1*03(+) LS and four HLA-DRB1*03(-) non-LS patients were analyzed by mass cytometry, using a panel of 33 unique markers...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28952958/-feline-sarcoid-in-a-1-year-old-domestic-short-haired-cat-caused-by-bovine-papillomavirus-type-14-in-switzerland
#12
C Kiefer, K Tobler, A Ramsauer, U Biegel, N Kuehn, M Ruetten
A 1-year- old domestic short haired cat, living on a farm in Switzerland, was presented to the veterinarian with a 5 cm in diameter mass, bulging from her left nostril. The mass was only incompletely removed because of its unfavourable location. Histologically, the lesion consisted of an infiltrative growing spindeloid proliferation in close approximation to the epidermis and was diagnosed as a feline sarcoid tumour. The presence of Bovine Papillomavirus type 14 (BPV-14) specific DNA could be identified in the tissue by using two PCR assays...
September 2017: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/28940781/right-ventricular-scar-related-ventricular-tachycardia-in-non-ischemic-cardiomyopathy-electrophysiological-characteristics-mapping-and-ablation-of-underlying-heart-disease
#13
Saurabh Kumar, Samuel H Baldinger, Sunil Kapur, Jorge Romero, Nishaki K Mehta, Saagar Mahida, Akira Fujii, Usha B Tedrow, William G Stevenson
BACKGROUND: Right ventricular (RV)-scar related ventricular tachycardia (VT) is often due to arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D) or cardiac sarcoidosis (CS), but some patients whose clinical course has not been described do not fulfill diagnostic criteria for these diseases. We sought to characterize the electrophysiologic substrate and catheter ablation outcomes of such patients, termed RV cardiomyopathy of unknown source (RCUS). METHODS AND RESULTS: Data of 100 consecutive patients who presented with RV cardiomyopathy and/or RV-related VT for ablation was reviewed (51 ARVC/D, 22 CS; 27 RCUS)...
September 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28924417/an-erosive-lesion-in-the-orbital-apex-as-the-presenting-sign-of-sarcoidosis
#14
David Nasrazadani, Anjulie K Quick, William A White
Sarcoidosis is an autoimmune granulomatous disease that can affect any organ system in the body. Ocular and orbital manifestations are relatively common. Osseous involvement is rare and usually involves bones of the appendicular skeleton. We present an unusual case of an erosive sarcoid granuloma in a 48-year-old woman that involved the orbital apex. This case highlights diagnosis, treatment, and the importance of full systemic workup to determine the extent of the disease.
2017: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/28910804/ebus-tbna-can-distinguish-sarcoid-like-side-effect-of-nivolumab-treatment-from-tumor-progression-in-non-small-cell-lung-cancer
#15
Ségolène Lainez, Claire Tissot, Michèle Cottier, Jean-Michel Vergnon
With the expansion of immunotherapy in the treatment of lung cancer, clinicians have to face new clinical pictures and adapt their practice. We report the case of a 69-year-old man diagnosed with non-small cell lung cancer using endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and treated with nivolumab as second-line therapy. After 8 injections of nivolumab, a new CT and PET scan revealed massive growth and increase in metabolism of hilar and mediastinal lymph nodes, whereas the size and metabolism of the left upper lobe lesion were reduced...
September 15, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28898343/-differential-diagnosis-of-bone-marrow-and-lung-granulomas-report-of-one-case
#16
Camila Peña, Andrés Soto, Pablo Villegas
The differential diagnosis of pulmonary tuberculosis and lymphoma with pulmonary infiltration is very difficult, given their similar clinical characteristics. We report a 59 year old female with weight loss, fever, dyspnea and cough of several months of duration. She had a cavitated mass in lung imaging. A positive conventional PCR lead to the diagnosis of tuberculosis, but she had negative smears and cultures for Mycobacterium tuberculosis. The patient did not respond to treatment and her clinical condition worsened...
May 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28892183/histopathologic-features-of-cutaneous-leishmaniasis-and-use-of-cd1a-staining-for-amastigotes-in-old-world-and-new-world-leishmaniasis
#17
Lohini Sundharkrishnan, Jeffrey P North
BACKGROUND: Positive CD1a staining of leishmania has been reported in Old World leishmaniasis, but the sensitivity of such staining for other leishmania species is unknown. METHODS: A retrospective review was done on skin biopsies of proven cutaneous leishmaniasis based on histology, immunohistochemistry, culture and/or polymerase chain reaction (PCR). We assessed the pattern of inflammation present and assessed for CD1a (MTB1 clone) positivity in amastigotes. Patients without a clearly documented travel history to delineate Old vs New World leishmaniasis and cases without tissue for CD1a staining were excluded...
September 11, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28875971/-exercise-capacity-in-patients-with-pulmonary-sarcoidosis
#18
Justyna Błaut-Jurkowska, Klaudia Knap, Magdalena Kaźnica-Wiatr, Agnieszka Żygadło, Lidia Tomkiewicz-Pająk, Piotr Podolec, Maria Olszowska
Exertional dyspnea is a common manifestation of sarcoidosis. Cardiopulmonary exercise testing (CPET) is a useful tool to evaluate exercise tolerance of sarcoid patients. AIM: The aim of the study was to evaluate of exercise capacity in patients with pulmonary sarcoidosis with regard to duration of the disease. Analysis of differences in physical tolerance between patients with cardiac sarcoidosis and without cardiac sarcoidosis. MATERIALS AND METHODS: 39 patients diagnosed with pulmonary sarcoidosis were enrolled to our study...
August 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28863878/pulmonary-sarcoidosis-mimicking-tuberculosis-importance-of-the-galaxy-sign-on-thoracic-computed-tomography
#19
Luis Gorospe Sarasúa, Almudena Ureña-Vacas, Paola Arrieta, Astrid Lucía Santos-Carreño, Enrique Navas-Elorza, Carlos de la Puente-Bujidos
Sarcoidosis and tuberculosis are two common granulomatous conditions that may share clinical and radiological presentations. The galaxy sign (sarcoid galaxy sign) is a characteristic radiological sign of pulmonary sarcoidosis on thoracic computed tomography (CT). We present the case of a patient with sarcoidosis that was initially misdiagnosed as tuberculosis, in whom the galaxy sign on CT was useful as it suggested the correct diagnosis.
August 29, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28856748/propionibacterium-acnes-associated-neurosarcoidosis-a-case-report-with-review-of-the-literature
#20
Guang Yang, Yoshinobu Eishi, Anwar Raza, Heather Rojas, Adina Achiriloaie, Kenneth De Los Reyes, Ravi Raghavan
A 56-year-old woman with a 3-year history of hydrocephalus and ventriculo-peritoneal shunt placement, presented with worsening altered level of consciousness for 2 days. Imaging studies showed severe ventriculomegaly involving the lateral and third ventricles with multiple septated cysts noted in the lateral ventricles predominantly near the frontal horns. Histopathologic examination of the excised brain lesion revealed choroid plexus tissue and adjacent cerebral parenchyma with several non-caseating granulomas...
August 30, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
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