Sonographic evaluation of lower extremity interosseous membrane injuries: retrospective review in 3 patients

  • Durkee N
  • Jacobson J
  • Jamadar D
 et al. 
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OBJECTIVE: To describe the sonographic findings of lower extremity interosseous membrane disruption with computed tomographic and surgical correlation. METHODS: Three patients with sonographic evaluation of the lower extremity interosseous membrane were identified through the clinical experience of 1 author over a 5-year period. Sonographic images of the symptomatic and unaffected lower extremities were retrospectively characterized and correlated with computed tomographic and surgical findings by 2 fellowship-trained musculoskeletal radiologists. RESULTS: The normal interosseous membrane was identified in the asymptomatic lower extremities in all 3 patients, which appeared as a thin, hyperechoic (nearly equal to bone cortex) line, continuous from the tibia to the fibula. The abnormal interosseous membrane in all 3 cases appeared abnormally hypoechoic, poorly defined, and discontinuous at the tibia. A proximal fibular fracture was shown on sonography in 1 of 3 symptomatic lower extremities with radiographic evidence of a fracture. The sonographic findings correlated with the computed tomographic images. Distal tibiofibular syndesmosis injuries were confirmed and treated at surgery in 2 patients. CONCLUSIONS: Sonography can show both normal and injured interosseous membranes of the lower extremity, as well as associated proximal fibular fractures.

Author-supplied keywords

  • Adult
  • Fibula
  • Humans
  • Leg Injuries/*ultrasonography
  • Male
  • Membranes/injuries/ultrasonography
  • Retrospective Studies
  • Tibia

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  • N J Durkee

  • J A Jacobson

  • D A Jamadar

  • J E Femino

  • M A Karunakar

  • C W Hayes

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