You are here

Flexor Hallucis Longus Tenosynovitis M77.9 726.90

 

synonyms: FHL tendinitis, FHL tendinopathy, flexor hallucis longus tendinosis, tendinopathy

FHL Tenosynovitis ICD-10

FHL Tenosynovitis ICD-9

  • 726.90 Enthesopathy of unspecified site; capsulitis NOS; perarthritis NOS; tendinitis NOS

FHL Tenosynovitis Etiology / Epidemiology / Natural History

FHL Tenosynovitis Anatomy

    FHL Tenosynovitis Clinical Evaluation

    • Rare condition usually in ballet dancersor patients exposed to repetitive trauma
    • Poorly localized posterior ankle pain exacerbated by acute plantar flexion
    • Pain in the posteromedial ankle when running , walking, or climbing stairs.
    • Tenderness and swelling behind the medial malleolus.
    • Pain, clicking or catching inthe posteromedial ankle with motion of the hallux
    • Passive extension of the great toe is greater when the foot is plantarflexed.
    • May have hallucis IP triggering
    • Pain reproduced with active plantar flexion of the hallux against resistance.

    FHL Tenosynovitis Xray / Diagnositc Tests

    • A/P, Lateral and Mortiseankle xrays. Evaluate lateral xray for an fracture of the trigonal process or the presence of an os trigonum
    • Consider dynamic views to demonstrate posterior impingement in maximal planter flexion.

    FHL Tenosynovitis Classification / Treatment

    • Activity modifications (no pointe for ballet dancers), NSAIDs, consider hard soled shoe for extreme cases.
    • Consider surgical release of the FHL fibro-osseous tunnel if fails conservative treatment.

    FHL Tenosynovitis Associated Injuries / Differential Diagnosis

    FHL Tenosynovitis Complications

    FHL Tenosynovitis Follow-up Care

    FHL Tenosynovitis Review References

    • Hamilton WG, JBJS 1996;78:1491°

    Disclaimer

    The information on this website is intended for orthopaedic surgeons.  It is not intended for the general public. The information on this website may not be complete or accurate.  The eORIF website is not an authoritative reference for orthopaedic surgery or medicine and does not represent the "standard of care".  While the information on this site is about health care issues and sports medicine, it is not medical advice. People seeking specific medical advice or assistance should contact a board certified physician.  See Site Terms / Full Disclaimer