title: Rapid development of amputation neuroma following excision of an orbital cavernous hemangioma.
abstract: A 48-year-old man with left proptosis and signs of optic nerve compression underwent medial transconjunctival orbitotomy for an excisional biopsy of a posteromedial orbital cavernous hemangioma. The left eye once again became proptotic and painful only 5 weeks later because of a more anteriorly growing orbital mass, which was homogeneously hyperintense relative to orbital fat on both T1- and T2-weighted MRI studies. The tumor proved to be an amputation neuroma after total excision. The latter tumor is presumed to originate most probably from the transected branch of the oculomotor nerve innervating the medial rectus muscle, which remained paralytic after the first operation.
authors.affiliation: Department of Ophthalmology, Ocular Oncology Service, Hacettepe University School of Medicine, Ankara, Turkey. hkiratli@hacettepe.edu.tr
authors.forename: Hayyam
authors.initials: H
authors.lastname: Kiratli
authors.forename: Pnar
authors.initials: P
authors.lastname: Topcu
authors.forename: Arzu
authors.initials: A
authors.lastname: Sağlam
mesh_terms: D001706:Biopsy; D003390:Cranial Nerve Neoplasms / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D006392:Hemangioma, Cavernous / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009463:Neuroma / Q000175:diagnosis / Q000209:etiology*; D009801:Oculomotor Muscles / Q000294:innervation; D009802:Oculomotor Nerve / Q000473:pathology / Q000601:surgery*; D015840:Oculomotor Nerve Diseases / Q000175:diagnosis / Q000209:etiology*; D009918:Orbital Neoplasms / Q000175:diagnosis / Q000601:surgery*; D011183:Postoperative Complications; D012086:Reoperation