Blastoid Variant of Mantle Cell Lymphoma with Extranodal Presentation and Aberrant CD10 Expression.

IF 0.8 Q3 MEDICINE, GENERAL & INTERNAL
Arthy Raman, Sree Rekha Jinkala, Roobashri Murugan, Prabhu Manivannan
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引用次数: 0

Abstract

Mantle cell lymphoma (MCL) constitutes 3%-10% of non-Hodgkin lymphoma and is characterized by t (11:14)(q13;q32). The common presentation is generalized lymphadenopathy with weight loss, infrequently night sweats, and fever. Among histological subtypes of MCL, the blastoid variant of MCL constitutes 10%-15% of all the cases. It is challenging to diagnose the blastoid variant of MCL based on its morphology alone as it mimics large B-cell lymphoma. Hence, the immunophenotyping and molecular studies aid in its correct diagnosis. We report an elderly man diagnosed with blastoid variant MCL. He presented with disseminated soft-tissue and subcutaneous nodules, and showed aberrant CD10 expression. Presentation of the extranodal site and aberrant CD10 expressions carries an overall poor prognosis. CD10-positive MCL can be mistaken for large B-cell lymphoma.

具有结节外表现和异常 CD10 表达的套细胞淋巴瘤 Blastoid 变异。
套细胞淋巴瘤(MCL)占非霍奇金淋巴瘤的 3%-10%,其特征为 t (11:14)(q13;q32)。常见表现为全身淋巴结肿大,伴有体重减轻、盗汗和发热。在 MCL 的组织学亚型中,鼓泡变异型 MCL 占所有病例的 10%-15%。由于囊泡型 MCL 与大 B 细胞淋巴瘤相似,因此仅根据其形态诊断囊泡型 MCL 具有挑战性。因此,免疫分型和分子研究有助于正确诊断。我们报告了一名被诊断为囊泡状变异型 MCL 的老年男性。他出现了播散性软组织和皮下结节,CD10表达异常。出现结节外部位和CD10异常表达意味着总体预后较差。CD10阳性的MCL可能被误诊为大B细胞淋巴瘤。
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