title: Patch stage Kaposi's sarcoma.
abstract: The patch stage of Kaposi's sarcoma (KS) has been recently recognized as histologically distinct from that seen in well-developed violaceous nodules of KS. We report a patient with patch stage KS and its angioendothelioma-like histology. The presence of glomerulus-like vascular structures is a newly described feature.
mesh_terms: D003937:Diagnosis, Differential; D005534:Foot Diseases / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D012514:Sarcoma, Kaposi / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*