A rare collision tumor of paraganglioma and intravascular large B-cell lymphoma: a case report and literature review.
Intravascular large B-cell lymphoma (IVLBCL) is a rare and aggressive subtype of extranodal diffuse large B-cell lymphoma. It is characterized by the selective proliferation of lymphoma cells within the lumina of small blood vessels. Collision tumors involving IVLBCL are exceedingly rare, and no cases involving paragan...