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http://dx.doi.org/10.1111/cup.12109DOI Listing

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Mantle cell lymphoma (MCL) constitutes 3%-10% of non-Hodgkin lymphoma and is characterized by (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.

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The neoplastic cells of mantle cell lymphoma (MCL) usually express CD5 and not CD10. However, cases of MCL with aberrant expression of CD10 have been seldom reported. A 71-year-old man presented multiple lymphadenopathies with a bulky tumor of the abdomen.

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Article Synopsis
  • The study focuses on identifying aggressive double-hit lymphomas (DHL) in high-grade B-cell non-Hodgkin lymphoma using a combination of histological and immunohistochemical methods, making fluorescent in-situ hybridization (FISH) testing more manageable in low-resource settings.
  • Out of 109 analyzed cases, 44% showed BCL2 expression, while MYC co-expression was observed in 30%, with some cases demonstrating double-hit status indicating a more aggressive lymphoma.
  • The research concluded that specific characteristics like BCLU/blastoid morphology and MYC/BCL2 co-expression can help accurately select cases for FISH testing, with a 100% sensitivity in identifying DHL using this stratification approach.
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Mantle cell lymphoma is usually negative for CD10 which is useful in distinguishing MCL from other CD10 + B cell lymphomas. Here we assessed the clinicopathologic features of 30 cases of CD10+ MCL, the largest series to date in the English literature, and compared them with a group of 212 typical MCL cases (CD5+, CD10-negative, CD23-negative, cyclin D1+). The 30 patients with CD10+ MCL included 17 men and 13 women with a median age of 68 years.

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