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Piriformis syndrome occurring after pregnancy
  1. Ali Kemal Sivrioglu1,
  2. Selahattin Ozyurek2,
  3. Hakan Mutlu3,
  4. Guner Sonmez1
  1. 1Department of Radiology, Aksaz Military Hospital, Mugla, Turkey
  2. 2Department of Orthopedic Surgery, Aksaz Military Hospital, Mugla, Istanbul, Turkey
  3. 3Department of Radiology, GATA Haydarpasa Teaching Hospital, Istanbul, Turkey
  1. Correspondence to Dr Ali Kemal Sivrioglu, draksivrioglu{at}

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A 27-year-old woman was referred to an orthopaedic surgeon for pain in the left buttock radiating to the posterior thigh, previously, which had been increasing during 3 months after pregnancy (a term singleton, normal birth weight). The patient's pain increased after prolonged sitting, walking, and climbing stairs. Upon physical examination, flexing the hip at 90° and adducting across the midline with deep digital palpation, severe tenderness and pain in the left piriformis muscle was observed. Passive internal rotation of the left thigh caused pain (Freiberg's sign), as did resistance …

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