Transformation of HHV-8-negative idiopathic multicentric Castleman disease into diffuse large B-cell lymphoma: A case report from Nepal.

Key Clinical Message: Idiopathic Castleman disease transforming into Diffuse Large B-cell Lymphoma has an aggressive course and can lead to mortality. Hence, early diagnosis and intervention are required.

Abstract: Idiopathic Castleman disease transforming into non-Hodgkin lymphoma has an aggressive course, poor prognosis, and high mortality rate.