title: Brown tumor of the orbit.
abstract: A 44-year-old woman was found to have a brown tumor arising in the maxillary sinus and retro-orbital region.
mesh_terms: D000328:Adult; D001845:Bone Cysts / Q000473:pathology; D005260:Female; D006101:Granuloma, Giant Cell / Q000473:pathology*; D006801:Humans; D006961:Hyperparathyroidism / Q000473:pathology*; D008444:Maxillary Sinus Neoplasms / Q000473:pathology; D009918:Orbital Neoplasms / Q000473:pathology*