Calcific enthesopathy of the superior extensor retinaculum – an unusual cause of medial ankle pain

Ali Shah1, Karthikeyan P. Iyengar2, Ganesh Hegde1, James Ramos3, Rajesh Botchu1

Affiliation and address for correspondence
J Ultrason 2022; 22: e236–e239
DOI: 10.15557/JoU.2022.0038
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Aim of the study: Ankle pain can present a clinical dilemma to the foot and ankle surgeons, with a multitude of entities to which the symptoms could potentially be attributed. Enthesopathy around the ankle joint could be due to overuse, injury, inflammation or infection. Calcific ligamentous enthesopathy around the ankle is a well-recognised condition with a spectrum of causes. Case description: To our knowledge, a clinically symptomatic presentation of calcific enthesopathy specifically affecting the entheses of the superior extensor retinaculum has not been described in the literature. We report the first case of symptomatic calcific enthesopathy of the superior extensor retinaculum in a healthy young female, and highlight the role of radiological interventions in its diagnosis. The condition was managed successfully by ultrasound-guided barbotage. Conclusions: Calcific enthesopathy of the attachment of the superior extensor retinaculum is a rare condition that should be considered in the differential diagnosis of patients with medial ankle pain.

enthesopathy; ankle pain; superior extensor retinaculum; ankle ligament calcification; barbotage