Extranodal NK/T-cell Lymphoma, Nasal Type Accompanied by PR3-ANCA-associated Glomerulonephritis

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Extranodal NK/T-cell Lymphoma, Nasal Type Accompanied by PR3-ANCA-associated Glomerulonephritis

A 62-year-old man exhibiting nasal obstruction and glomerulonephritis with proteinase 3-antineutrophil cytoplasmic antibodies (PR3-ANCAs) was diagnosed with extranodal NK/T-cell lymphoma, nasal type (ENKL) with infiltration of neutrophils with apoptosis. Chemoradiotherapy reduced the tumor, improved the renal function, and decreased the PR3-ANCA levels. ANCA-positivity is observed in immunoinsu...

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Extranodal NK/T cell lymphoma, nasal type: CT imaging findings

Extranodal NK/T cell lymphoma (ENKTL), nasal type is a rare, aggressive disease affecting the midfacial and nasopalatal region in the head. The pathogenesis of the disease is unknown, but the disease has been linked to Epstein Barr virus (EBV) infection. Early diagnosis of the disease is the best way to increase the prognosis and quality of life in the patients. However, it is still a challenge...

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Extranodal NK/T-cell lymphoma nasal type mimicking pyoderma gangrenosum.

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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Extranodal Natural-Killer/T-Cell Lymphoma, Nasal Type

The World Health Organization (WHO) classification recognizes 2 main categories of natural killer (NK) cell-derived neoplasms, namely, extranodal NK/T-cell lymphoma, nasal type, and aggressive NK-cell leukaemia. Extranodal nasal NK/T-cell lymphoma is more frequent in the Far East and Latin America. Histopathological and immunophenotypical hallmarks include angiocentricity, angiodestruction, exp...

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ژورنال

عنوان ژورنال: Internal Medicine

سال: 2017

ISSN: 0918-2918,1349-7235

DOI: 10.2169/internalmedicine.56.8365