title: Intraneural ganglion in the digital nerve of the thumb: a case report.
abstract: Intraneural ganglion cysts of the peripheral nerve in the upper extremity are uncommon and usually originate within the epineurium of the peripheral nerve. The current report discusses a 57-year-old woman with a neuropathic nodular mass on the thenar area of the left hand. Magnetic resonance images showed a lobulated, homogeneous mass of high signal intensity on T2-weighted images and low signal intensity with peripheral enhancement on T1-weighted images. Excisional biopsy and histopathologic examination confirmed an intraneural ganglion cyst of the digital nerve of the thumb. A successful result was obtained by surgical treatment, and there was no recurrence of abnormal sensation and paraesthesia during the 3-year follow-up period.
authors.affiliation: Department of Orthopaedic Surgery, Ajou University School of Medicine, San 5 Wonchon-dong, Youngtong-gu, Suwon, Kyounggi-do 443-721, Republic of Korea.
authors.forename: Kyeong-Jin
authors.initials: KJ
authors.lastname: Han
authors.forename: Yu-Sang
authors.initials: YS
authors.lastname: Lee
authors.forename: Doo-Hyung
authors.initials: DH
authors.lastname: Lee
authors.forename: Nam-Su
authors.initials: NS
authors.lastname: Chung
mesh_terms: D004322:Drainage; D005260:Female; D045888:Ganglion Cysts / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D013933:Thumb / Q000294:innervation*