II. Symptoms

  1. Chronic lateral ankle pain (retrofibular), popping and swelling
  2. Ankle instability

III. Signs

  1. Pain and swelling posterior to the lateral malleolus
  2. Provocative maneuvers
    1. Foot eversion against resistance
    2. Foot dorsiflexion against resistance

IV. Differential Diagnosis

  1. Ankle Sprain
  2. Fibular Fracture
  3. Peroneal Subluxation
  4. Os perineum syndrome (plantar lateral Foot Pain)
  5. Rheumatoid Arthritis (consider if lack of Trauma)

V. Management

  1. RICE-M initially
  2. Rehabilitation Exercises
    1. Ankle range of motion
    2. Peroneal strengthening (Eversion strengthening)
    3. Proprioception Exercises
  3. Shoe Orthotic
  4. Lateral heel wedge

VI. Management: Orthopedic referral for possible surgical repair

  1. Failed therapy above
  2. Persistent or recurrent peroneal tendon instability
  3. Peroneal tendon rupture

VII. References

  1. Sammarco (1994) Orthop Clin North Am 25(1): 135-45
  2. Simpson (2009) Am Fam Physician 80(10): 1107-13 [PubMed]

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Ontology: Peroneal tendinitis (C0263936)

Concepts Disease or Syndrome (T047)
ICD10 M76.7
SnomedCT 53208009
German Tendinitis der Peronaeussehne(n)
English peroneal tendinitis, peroneal tendinitis (diagnosis), Peroneal tendonitis, Peroneal tendinitis, Peroneal tendinitis (disorder), peroneal; tendinitis, tendinitis; peroneal
Korean 종아리 힘줄염
Spanish tendinitis del peroné (trastorno), tendinitis de músculo peroneo (trastorno), tendinitis de músculo peroneo, tendinitis del peroné
Dutch peroneus; tendinitis, tendinitis; peroneus, Tendinitis van peroneuspees