Abstract |
We report a unique case of Kaposi's sarcoma (KS)-associated herpesvirus (KSHV)/human herpesvirus (HHV)8-associated lymphoma in a 56-year-old man with a history of acquired immune deficiency syndrome, Castleman's disease, KS, and idiopathic thrombocytopenic purpura. Three months following the diagnosis of KS affecting a left cervical lymph node and Castleman's disease with bone marrow involvement, he presented with a subcutaneous, tender lesion on his left arm. A skin biopsy demonstrated a superficial and deep, interstitial-nodular infiltrate of severely atypical lymphoid cells showing plasmacytoid features, numerous mitotic figures, and frequent individual apoptotic tumor cells. The morphologic features were those of plasmablastic lymphoma (PBL). Immunohistochemical study showed that the lymphoma cells strongly expressed CD45, CD30, and KSHV/HHV8 latency-associated nuclear antigen. KSHV/HHV8 was also detected in the biopsy sections of the patient's KS and Castleman's disease. Epstein-Barr virus in situ hybridization was diffusely positive. In situ hybridization demonstrated kappa-light chain restriction. Although KSHV/HHV8 has been individually associated with KS, Castleman's disease, and PBL, this appears to be the first reported case in which all three entities were present simultaneously in one person, suggesting a critical role of KSHV/HHV8 as a common denominator in the pathogenesis of these diseases.
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Authors | Wenhua Liu, Mario E Lacouture, Jesse Jiang, Madeleine Kraus, Jerome Dickstein, Keyoumars Soltani, Christopher R Shea |
Journal | Journal of cutaneous pathology
(J Cutan Pathol)
Vol. 33 Suppl 2
Pg. 46-51
(Sep 2006)
ISSN: 0303-6987 [Print] United States |
PMID | 16972955
(Publication Type: Case Reports, Journal Article)
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Chemical References |
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Topics |
- Acquired Immunodeficiency Syndrome
(complications, metabolism, pathology, virology)
- Castleman Disease
(complications, metabolism, pathology, virology)
- Epstein-Barr Virus Infections
(complications, metabolism, pathology, virology)
- Herpesvirus 8, Human
(metabolism)
- Humans
- Immunohistochemistry
- Male
- Middle Aged
- Neoplasm Proteins
(biosynthesis)
- Neoplasms, Second Primary
(complications, metabolism, pathology, virology)
- Plasmacytoma
(complications, metabolism, pathology, virology)
- Purpura, Thrombocytopenic, Idiopathic
(complications, metabolism, pathology, virology)
- Sarcoma, Kaposi
(complications, metabolism, pathology, virology)
- Skin Neoplasms
(complications, metabolism, pathology, virology)
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