title: Haematopoietic tissue presenting as a sphenoid sinus mass: case report.
abstract: We report an incidentally discovered mass in the sphenoid sinus in a patient with beta thalassaemia and sickle-cell disease which proved to be an isolated site of extramedullary haematopoiesis in the skull.
authors.affiliation: Department of Neurological Sciences, Christian Medical College Hospital, Vellore 632004, India.
authors.forename: M
authors.initials: M
authors.lastname: Joseph
authors.forename: V
authors.initials: V
authors.lastname: Rajshekhar
authors.forename: M J
authors.initials: MJ
authors.lastname: Chandy
mesh_terms: D000293:Adolescent; D000755:Anemia, Sickle Cell / Q000150:complications; D001706:Biopsy; D002828:Choristoma / Q000175:diagnosis*; D006411:Hematopoiesis, Extramedullary; D006413:Hematopoietic System; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010254:Paranasal Sinus Diseases / Q000175:diagnosis*; D013101:Sphenoid Sinus / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D017086:beta-Thalassemia / Q000150:complications