Extranodal NK/T-cell Lymphoma Mimicking Granulomatous Myositis
نویسندگان
چکیده
منابع مشابه
CD30+ extranodal natural killer/T-cell lymphoma mimicking phlegmonous myositis: A case report
The current study presents a case of a 23-year-old male with CD30+ nasal-type extranodal natural killer/T-cell lymphoma (NKTL), with unusual clinical features mimicking phlegmonous myositis. The patient initially presented with swelling and tenderness of the left lower limb, particularly around the left ankle. One month later, pharyngalgia and fever developed and the patient was treated with an...
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The new World Health Organization / European Organization for Research and Treatment of Cancer (WHO-EORTC) consensus classification for cutaneous lympho-mas recognizes two main groups of CD56 + lymphomas: extranodal natural killer (NK)/T-cell lymphoma nasal type, and CD56+ haematodermic neoplasm (formerly known as blastic NK cell lymphoma (1). NK/T-cell lymphoma nasal type is the most common ly...
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Here we illustrate a 74-year-old patient presenting with clinical signs of slowly progressive motor neuron disease. After electromyography demonstrated myopathic changes, a skeletal muscle biopsy was performed showing histological signs of granulomatous myositis. In extensive diagnostic workup underlying primary granulomas forming diseases were excluded and corticoid therapy was initiated, but ...
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The presence of granuloma in a biopsy specimen is not specific to sarcoidosis, and sarcoid-like granulomatous reaction can be found in chronic inflammatory, infectious and neoplastic diseases. Sarcoid reaction may occur in lymph nodes draining an area housing a malignant tumor, in the tumor itself and in nonregional tissues. Overall, sarcoid reaction occurs in 4.4% of cancers, 13.8% of patients...
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Natural killer T (NKT) cells are a unique subset of CD1d-restricted T lymphocytes that express characteristics of both T cells and natural killer cells. NKT cells mediate tumor immune-surveillance; however, NKT cells are numerically reduced and functionally impaired in lymphoma patients. Many hematologic malignancies express CD1d molecules and co-stimulatory proteins needed to induce anti-tumor...
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ژورنال
عنوان ژورنال: Internal Medicine
سال: 2019
ISSN: 0918-2918,1349-7235
DOI: 10.2169/internalmedicine.0859-18