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Lipidus migrans-a radiology imaging feature after ankle injury.
Journal article

Lipidus migrans-a radiology imaging feature after ankle injury.

  • Kaniewska M Institute of Radiology, Kantonsspital Baden, Baden, Switzerland. malw.kaniewska@gmail.com.
  • Steinbach LS Department of Radiology, University of California, San Francisco Medical Center, San Francisco, CA, USA.
  • Neurauter U Centre for Orthopaedic Surgery, Kantonsspital Aarau und Baden, Baden, Switzerland.
  • Anderson SE Institute of Radiology, Kantonsspital Baden, Baden, Switzerland.
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  • 2018-05-23
Published in:
  • Skeletal radiology. - 2018
Ankle
Fat drops
Flexor tendons
Intra-articular fracture
Lipohemarthrosis
Tendon sheath
Accidental Falls
Adipose Tissue
Ankle Injuries
Arthroscopy
Debridement
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Pain Measurement
Spinal Fractures
Tendon Injuries
Tibial Fractures
Tomography, X-Ray Computed
English We present an uncommon imaging feature with fluid fat tracking within the tendon sheath of the flexor hallucis longus (FHL) after traumatic injury to the ankle joint. We propose a coined medical term "lipidus migrans" to define the presence of floating fat in a tendon sheath. This is due to lipohemarthrosis from intra-articular fracture of the ankle with leakage of fluid fat into the tendon sheath. Communication between the FHL tendon sheath and ankle joint can occur in up to 25% of patients. Radiologists should be aware of the presence of lipidus migrans as a potential posttraumatic complication after intra-articular ankle fracture and that fat in the tendon sheath may mimic fracture fragments or even a tendon sheath tumor.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://folia.unifr.ch/global/documents/268612
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