title: Painful nodule on the knee.
authors.affiliation: Wright State University School of Medicine, Dayton, Ohio, USA.
authors.forename: Michael P
authors.initials: MP
authors.lastname: Heffernan
authors.forename: Danette D
authors.initials: DD
authors.lastname: Bentley
authors.forename: Beatriz
authors.initials: B
authors.lastname: Tapia
authors.forename: Paul
authors.initials: P
authors.lastname: Klekotka
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006119:Groin / Q000473:pathology; D018323:Hemangioendothelioma, Epithelioid / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006801:Humans; D007717:Knee / Q000473:pathology; D008207:Lymphatic Metastasis / Q000175:diagnosis* / Q000473:pathology; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery