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The crescent sign of ruptured baker's cyst

Junki Mizumoto1,2

  • 1Department of Family Practice Ehime Seikyou Hospital Ehime Japan.

Journal of General and Family Medicine
|September 14, 2019
PubMed

Insights

Ruptured Baker's cyst can mimic deep vein thrombosis, leading to misdiagnosis. Identifying the crescent sign is crucial for prompt and accurate diagnosis of this condition.

Area of Science:

  • Radiology
  • Vascular Surgery

Background:

  • Baker's cysts are common in the popliteal fossa.
  • Rupture of Baker's cysts can present with calf pain and swelling.
  • Differential diagnosis often includes deep vein thrombosis (DVT).

Purpose of the Study:

  • To highlight the diagnostic challenge of ruptured Baker's cyst versus DVT.
  • To emphasize the importance of recognizing specific imaging findings.

Main Methods:

  • Review of imaging findings in patients with ruptured Baker's cyst.
  • Comparison with imaging findings in patients with DVT.

Main Results:

  • Ruptured Baker's cyst can present with clinical signs similar to DVT.
  • The "crescent sign" on ultrasound is a key indicator of ruptured Baker's cyst.

Conclusions:

  • The crescent sign is a vital diagnostic clue for ruptured Baker's cyst.
  • Early recognition of the crescent sign facilitates correct diagnosis and management, avoiding unnecessary DVT treatment.

Keywords:
diagnostic reasoningmusculoskeletal disorderpseudothrombophlebitisruptured baker's cyst

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