title: Desmoplastic fibroma of the ulna bone.
abstract: A fibroma is a benign tumour composed of fibrous connective tissue and they can grow in all organs. They can be classified based on consistency into hard or soft fibroma, based on histological characteristics into desmoplastic, chondromyxoid, ossifying, non-ossifying fibroma. They can also be classified based on tissue of origin or location in the body, it can also be classified into superficial or deep fibroma. This is a report of a 15-year-old Nigerian boy with a recurrent left ulnar tumour which was rapidly growing and has been excised three times. Preoperative investigations, i.e., plain radiograph, full blood count and fine needle aspiration cytology were done. Patient could not afford CT scan which was requested for. First excision was in 2009. Recurred within 1 year and had a repeat excision in 2011. He had a second recurrence 9 months after and had to have another excision. The last tumour excision left only the part of the left ulna that forms the proximal radioulnar joint and elbow joint. Patient has been followed up after the last excision for 18 months with no recurrence.
authors.affiliation: Department of Orthopaedic Surgery, Bowen University Teaching Hospital, Ogbomoso, Nigeria.
authors.forename: Samuel U
authors.initials: SU
authors.lastname: Eyesan
authors.affiliation: Department of Orthopaedic Surgery, Bowen University Teaching Hospital, Ogbomoso, Nigeria.
authors.forename: Tolulope G
authors.initials: TG
authors.lastname: Kehinde
authors.affiliation: Department of Orthopaedic Surgery, Bowen University Teaching Hospital, Ogbomoso, Nigeria.
authors.forename: Adesope S
authors.initials: AS
authors.lastname: Adesina
authors.affiliation: Department of Orthopaedic Surgery, Bowen University Teaching Hospital, Ogbomoso, Nigeria.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Ayeni
authors.affiliation: Department of Morbid Anatomy and Histopathology, College of Medicine, University of Lagos - Idi Araba, Nigeria.
authors.forename: Biade F
authors.initials: BF
authors.lastname: Abdulkareem
keywords: Bone; desmoplastic; fibroma; ulna
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