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Postoperative MR imaging of the foot and ankle: tendon repair, ligament repair, and Morton's neuroma resection


Zanetti, M; Saupe, N; Espinosa, N (2010). Postoperative MR imaging of the foot and ankle: tendon repair, ligament repair, and Morton's neuroma resection. Seminars in Musculoskeletal Radiology, 14(3):357-364.

Abstract

This review article describes the postoperative magnetic resonance (MR) findings relating to surgery after tendon repair, ligament repair, and Morton's neuroma resection. The normal postoperative tendon is commonly thickened, showing signal changes that are most pronounced 3 to 6 months after surgery. Two years after tendon suture, the signal intensity should be low on T2-weighted images. The focus of the postoperative MR imaging after ankle repair is to detect the normal condition after the various surgical procedures (e.g., Broström, Watson-Jones, Evans, or Chrisman-Snook). The repaired ligament has to be visible, low signal intense on T2-weighted MR images, and the shape should be homogeneous. A high rate (26%) of so-called Morton's neuroma recurrences is seen in asymptomatic individuals after Morton's neuroma resection. Postoperatively, intermetatarsal bursitis MR abnormalities are more commonly encountered in symptomatic intermetatarsal spaces than in asymptomatic intermetatarsal spaces.

This review article describes the postoperative magnetic resonance (MR) findings relating to surgery after tendon repair, ligament repair, and Morton's neuroma resection. The normal postoperative tendon is commonly thickened, showing signal changes that are most pronounced 3 to 6 months after surgery. Two years after tendon suture, the signal intensity should be low on T2-weighted images. The focus of the postoperative MR imaging after ankle repair is to detect the normal condition after the various surgical procedures (e.g., Broström, Watson-Jones, Evans, or Chrisman-Snook). The repaired ligament has to be visible, low signal intense on T2-weighted MR images, and the shape should be homogeneous. A high rate (26%) of so-called Morton's neuroma recurrences is seen in asymptomatic individuals after Morton's neuroma resection. Postoperatively, intermetatarsal bursitis MR abnormalities are more commonly encountered in symptomatic intermetatarsal spaces than in asymptomatic intermetatarsal spaces.

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1 citation in Web of Science®
2 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Diagnostic and Interventional Radiology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2010
Deposited On:08 Jul 2010 16:10
Last Modified:05 Apr 2016 14:10
Publisher:Thieme
ISSN:1089-7860
Publisher DOI:https://doi.org/10.1055/s-0030-1254524
PubMed ID:20539960

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