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psoas sign

Etiology: - appendicitis (right-sided) - iliopsoas hematoma Procedure: - pain ellicited by extension of the hip - painful limitation of hip movement Clinical significance: - right lower quadrant pain on flexion of the right hip against resistance or hyperextension of the right hip, elicited in the classic presentation of appendicitis - the former maneuver contracts & the latter maneuver stretches the psoas muscle Radiology: - CT of abdomen [3,4]

Related

appendicitis

General

sign/symptom

References

  1. Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996, pg 330
  2. Guide to Physical Examination & History Taking, 6th edition, Bates B, JB Lippincott, Philadelphia, 1995, pg 353
  3. Medical Knowledge Self Assessment Program (MKSAP) 16 American College of Physicians, Philadelphia 2012
  4. Lenchik L, Dovgan DJ, Kier R. CT of the iliopsoas compartment: value in differentiating tumor, abscess, and hematoma. AJR Am J Roentgenol. 1994 Jan;162(1):83-6. PMID: 8273696