Affiliation:
1. Department of Haematology, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom, Nigeria
2. Department of Pathology, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom, Nigeria
Abstract
AbstractCastleman disease (CD), or angiofollicular hyperplasia, or giant lymph node hyperplasia, is a heterogeneous benign lymphoproliferative disorder of unknown etiology. It has three distinct histologic subtypes (hyaline vascular, plasma cell, and mixed hyaline vascular plasma cell types) as well as unicentric Castleman disease (UCD) and multicentric Castleman disease (MCD) variants. In the unicentric form, the disease is confined to one anatomical lymph node and usually with no systemic symptoms. However, in the multicentric form (further subdivided into idiopathic MCD, human herpes virus-8-associated MCD, and POEMS-associated MCD), lymphadenopathy is more generalized with more aggressive systemic symptoms mimicking a malignant lymphoma. Therefore, this case report aims to underscore the importance of immunohistochemical evaluation as an indispensable ancillary technique to routine histopathological examination of a lymph node biopsy specimen, as a gold standard for definitive diagnosis of proliferative lymph node lesions.
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