Peroneus Brevis Tear Caused by an Impingement Between Hypertrophied Peroneal Tubercle and Lateral Malleolus

Overview

Journal Radiol Case Rep

Publisher Elsevier

Specialty Radiology

Date 2023 Feb 17

PMID 36798063

Authors

Miki Morimoto

Satoshi Yamaguchi

Seji Kimura

Yukio Mikami

Hirofumi Nakajima

Shotaro Watanabe

Takahisa Sasho

Seiji Ohtori

Affiliations

Soon will be listed here.

Abstract

We report a 15-year-old female patient who sustained peroneus brevis injury caused by an impingement between the hypertrophied peroneal tubercle and lateral malleolus. The patient had pain for 3 years in the lateral side of her left ankle with unsuccessful conservative treatment. The oblique sagittal images of 3-dimensional magnetic resonance imaging and ultrasonography were useful in depicting the peroneus brevis injury and identifying the location of impingement between the hypertrophied peroneal tubercle and the tip of the lateral malleolus. The flatfoot deformity of the patient further aggravated the impingement. The patient was treated surgically, with excision of the enlarged tubercle and tendon repair. The ankle pain resolved 12 months postoperatively. Although rare, clinicians should recognize this condition as the cause of lateral ankle pain.

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