title: Symptomatic Osseous Abnormalities at the Posteromedial Tubercle of the Talus: Magnetic Resonance Imaging Features.
abstract: Osseous alterations adjacent to the posteromedial tubercle of the talus that lead to posterior ankle impingement and their imaging findings have been much less well described than alterations of the posterolateral tubercle. We present 5 cases of osseous abnormalities at the posteromedial tubercle of the talus depicted on magnetic resonance imaging in subjects with chronic symptoms at this location, with no history of local trauma, who had presented with posteromedial mechanical pain and/or tarsal tunnel syndrome. The symptoms were related to mechanical changes of the bony and soft tissue structures, leading to posterior impingement, and to neurovascular bundle entrapment at the tarsal tunnel, leading to tarsal tunnel syndrome.
authors.affiliation: Department of Radiology, Hospital do Coração (HCor), and Teleimagem, São Paulo, SP, Brazil.
authors.forename: Abdalla Y
authors.initials: AY
authors.lastname: Skaf
authors.affiliation: Department of Radiology, Hospital do Coração (HCor), and Teleimagem, São Paulo, SP, Brazil.
authors.forename: Bruna
authors.initials: B
authors.lastname: Olivotti
authors.affiliation: Department of Radiology, Hospital do Coração (HCor), and Teleimagem, São Paulo, SP, Brazil.
authors.forename: Luis
authors.initials: L
authors.lastname: Pecci-Neto
authors.affiliation: Department of Radiology, Hospital do Coração (HCor), and Teleimagem, São Paulo, SP, Brazil.
authors.forename: André F
authors.initials: AF
authors.lastname: Yamada
authors.affiliation: Department of Radiology, Hospital do Coração (HCor), and Teleimagem, São Paulo, SP, Brazil; Department of Radiology, Quantitative Imaging Center, Boston University School of Medicine, Boston, MA. Electronic address: michelcrema@gmail.com.
authors.forename: Michel D
authors.initials: MD
authors.lastname: Crema
mesh_terms: D000305:Adrenal Cortex Hormones / Q000008:administration & dosage*; D000328:Adult; D000843:Ankle Joint / Q000473:pathology* / Q000503:physiopathology; D018771:Arthralgia / Q000175:diagnosis / Q000628:therapy; D059350:Chronic Pain; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007270:Injections, Intra-Articular; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D019637:Orthopedic Procedures / Q000379:methods; D054850:Osteophyte / Q000473:pathology* / Q000628:therapy; D010147:Pain Measurement; D018570:Risk Assessment; D012494:Sampling Studies; D013628:Talus / Q000002:abnormalities* / Q000473:pathology; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D000305:Adrenal Cortex Hormones
keywords: MRI; ankle; impingement; ossicle