Ruptured Baker's cyst: complications due to misdiagnosis

Emergencias. 2018;30(6):412-414.
[Article in English, Spanish]

Abstract

Deep vein thrombosis (DVT) and ruptured Baker's cyst have similar clinical presentations: inflammation and acute pain in the calf. Differential diagnosis is necessary and requires information from Doppler ultrasound imaging because treating suspected DVT with therapeutic doses of low molecular weight heparins (LMWHs) can cause major bleeding and worsen the prognosis of complicated Baker's cyst. We present a series of 7 consecutive cases in which the patients were misdiagnosed with DVT without imaging. LMWHs were started at therapeutic doses in all cases. The patients' symptoms worsened abruptly after treatment, causing compartment syndrome in the leg. Four of the patients required urgent fasciotomy.

La trombosis venosa profunda (TVP) y el quiste de Baker complicado con rotura presentan una clínica similar: inflamación y dolor agudo en la pantorrilla. El diagnóstico diferencial se debe realizar mediante eco-doppler, ya que el tratamiento de una sospecha de TVP con dosis terapéuticas de heparina de bajo peso molecular (HBPM) puede provocar mayor sangrado y empeorar el pronóstico del quiste de Baker complicado. En este trabajo se recoge una serie consecutiva de 7 pacientes diagnosticados erróneamente de TVP en los que, sin realizar prueba de imagen, se instauró tratamiento con HBPM a dosis terapéutica. Estos pacientes desarrollaron un empeoramiento súbito de los síntomas tras el tratamiento, provocando un síndrome compartimental de la pierna, que en cuatro de ellos requirió fasciotomía urgente.

Keywords: Baker’s Cyst; Calf pain; Compartment syndrome; Deep vein thrombosis; Dolor en la pantorrilla; Quiste de Baker; Síndrome compartimental; Trombosis venosa profunda.

MeSH terms

  • Aged
  • Aged, 80 and over
  • Compartment Syndromes / etiology
  • Diagnosis, Differential
  • Diagnostic Errors*
  • Female
  • Fibrinolytic Agents / adverse effects*
  • Fibrinolytic Agents / therapeutic use
  • Heparin, Low-Molecular-Weight / adverse effects*
  • Heparin, Low-Molecular-Weight / therapeutic use
  • Humans
  • Male
  • Middle Aged
  • Popliteal Cyst / complications
  • Popliteal Cyst / diagnosis*
  • Retrospective Studies
  • Rupture, Spontaneous
  • Venous Thrombosis / diagnosis*
  • Venous Thrombosis / drug therapy

Substances

  • Fibrinolytic Agents
  • Heparin, Low-Molecular-Weight