Castlemanís disease (giant lymph node hyperplasia, angiofollicular lymph node hyperplasia, lymph node hamartoma) is a distinct form of lymph node hyperplasia. Hyaline-vascular type shows large lymphoid follicles scattered throughout the lymph node. Several sclerotic bands are also present. Hyaline-vascular type represents approximately 90% of cases of solitary form of Castlemanís disease. Remainder are plasma cell type.
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