An accessory peroneocalcaneus internus muscle with MRI and US correlation

Benjamin Matthew Howe, Naveen Srinivasa Murthy

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

The peroneocalcaneus internus (PCI) is a rare accessory muscle of the medial ankle with typical MRI anatomic features allowing differentiation from the more common accessory flexor digitorum longus muscle. To our knowledge, there have been no previously published sonographic images of the peroneocalcaneus internus. A PCI is typically an incidental, asymptomatic finding, but knowledge of the entity may avoid confusion when initially encountered by diagnostic ultrasound. We review the anatomic imaging features which allow for a confident imaging diagnosis and the clinical relevance of this anomaly.

Original languageEnglish (US)
Pages (from-to)20-25
Number of pages6
JournalJournal of Radiology Case Reports
Volume6
Issue number10
DOIs
StatePublished - 2012

Keywords

  • Accessory muscle
  • False FHL
  • False flexor hallicus longus
  • PCI
  • Peronaeocalcaneus internus
  • Peroneocalcaneus internus

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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