Papillary endothelial hyperplasia.
Goldman
R L
RL
D000293:Adolescent; D003937:Diagnosis, Differential; D004730:Endothelium, Vascular / Q000473:pathology*; D006391:Hemangioma / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D006965:Hyperplasia / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D013583:Synovial Membrane / Q000473:pathology