title: Painful leg mass.
abstract: The moist purple exophytic lesion on the patient's lower leg prompted him to seek care. Unfortunately, it was just the tip of the iceberg.
authors.affiliation: Naval Branch Health Clinic Dahlgren, Dahlgren, VA 22448, USA. lesli.lucas@med.navy.mil
authors.forename: Lesli Marie
authors.initials: LM
authors.lastname: Lucas
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D001557:Benzenesulfonates / Q000627:therapeutic use; D002292:Carcinoma, Renal Cell / Q000556:secondary*; D017051:Hospice Care; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007866:Leg / Q000473:pathology*; D008113:Liver Neoplasms / Q000556:secondary*; D008175:Lung Neoplasms / Q000556:secondary*; D008297:Male; D055118:Medication Adherence; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D009536:Niacinamide / Q000031:analogs & derivatives; D010146:Pain / Q000209:etiology; D010166:Palliative Care; D010671:Phenylurea Compounds; D011379:Prognosis; D011725:Pyridines / Q000627:therapeutic use; D012878:Skin Neoplasms / Q000556:secondary*; D000077157:Sorafenib; D014057:Tomography, X-Ray Computed
chemical_list: D000970:Antineoplastic Agents; D001557:Benzenesulfonates; D010671:Phenylurea Compounds; D011725:Pyridines; D009536:Niacinamide; D000077157:Sorafenib