Document Detail


Mantle cell lymphoma with a unique pattern of CD5 expression: a case report with review of the literatures.
MedLine Citation:
PMID:  24166616     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Mantle cell lymphoma (MCL) is a unique subtype of B-cell non-Hodgkin's lymphoma characterized by chromosomal translocation t(11;14)(q13;q32), positive CD5, and nuclear cyclin D1 overexpression with unfavorable prognosis. We report herein a case of MCL in a 73-year-old male diagnosed with diffuse large B-cell lymphoma (ileal tumor) at another hospital, who subsequently relapsed with CD5-negative MCL. At the 1st relapse, he developed neck lymph node swelling, of which biopsy showed proliferation of atypical large pleomorphic cells with CD5-negativity by both immunohistochemistry and flow cytometry. At the 2nd relapse, he again developed an ileal tumor, of which biopsy showed positivity for CD5, CD20, and cyclin D1. In MCL, CD5-negative expression has sometimes been reported as having pleomorphic and blastoid variants. The present case was also histologically the pleomorphic type, but the CD5 expression changed from negative at the onset and the 1st relapse to positive at the 2nd relapse. This is a rare and interesting case because of the different expression of CD5 at all stage. This phenomenon made the diagnosis of MCL difficult.
Authors:
Toshiki Yamada; Naoe Goto; Hisashi Tsurumi; Katsuyoshi Takata; Yasuharu Sato; Tadashi Yoshino; Hisataka Moriwaki; Yusuke Kito; Tamotsu Takeuchi; Hitoshi Iwata
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-29
Journal Detail:
Title:  Medical molecular morphology     Volume:  -     ISSN:  1860-1499     ISO Abbreviation:  Med Mol Morphol     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101239023     Medline TA:  Med Mol Morphol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Hematology, Gifu Prefectural General Medical Center, Gifu, Japan.
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