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, 49 (3), 491-501

Talus Partitus: A Review of Five Cases Diagnosed by MRI

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Talus Partitus: A Review of Five Cases Diagnosed by MRI

Corbin L Pomeranz et al. Skeletal Radiol.

Abstract

Talus partitus is a rare skeletal developmental abnormality characterized by a split of the posterior talar bone in the coronal plane. Patients with talus partitus typically present with posterior ankle pain and instability, often displaying varying degrees of chondrosis and secondary degenerative change on imaging. To date, only few case reports describing the imaging appearance of talus partitus have been published. The majority of these publications are limited to radiographic and computed tomography (CT) imaging findings, despite the ubiquity of magnetic resonance imaging (MRI). To the authors' knowledge, there is little description of typical MRI findings of the symptomatic talus partitus in the radiologic literature. We present a series of five cases of talus partitus identified on MRI and examine pitfalls in diagnosis, differential considerations, pathophysiology, and treatment options.

Keywords: MRI; Posterior ankle impingement; Talus partitus.

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