title: [A 71-year-old man with polyarthritis, soft-tissue masses in the right gluteus and in the lesser pelvis and a pathological fracture of the left femur neck].
authors.affiliation: Servicio de Medicina Interna General, Hospital Clínic i Provincial, Barcelona.
authors.forename: J
authors.initials: J
authors.lastname: Casademont
authors.forename: A
authors.initials: A
authors.lastname: Ariza
mesh_terms: D000368:Aged; D000686:Amyloidosis / Q000473:pathology; D001168:Arthritis / Q000473:pathology*; D002081:Buttocks; D003937:Diagnosis, Differential; D005265:Femoral Neck Fractures / Q000473:pathology*; D005598:Fractures, Spontaneous / Q000473:pathology*; D006801:Humans; D008297:Male; D010386:Pelvic Neoplasms / Q000473:pathology*; D012983:Soft Tissue Neoplasms / Q000473:pathology*
vernacular_title: Varón de 71 años con poliartritis, masas de partes blandas en el glúteo derecho y pelvis menor y fractura patológica del cuello de fémur izquierdo.