II. Indications

  1. Appendicitis Evaluation

III. Technique

  1. Patient lies supine with right thigh flexed 90 degrees
  2. Examiner immobilizes right ankle with right hand
  3. Left hand rotates right hip by:
    1. Pull right knee laterally (hip external rotation)
    2. Pull right knee medially (hip internal rotation)
  4. Left obturator/Pelvis examined in similar fashion

IV. Interpretation

  1. Indicates irritation of obturator muscle
  2. Suggests pelvic abscess as seen in Appendicitis

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Ontology: Obturator sign (C0277978)

Concepts Sign or Symptom (T184)
SnomedCT 6292008
English obturator signs, obturator sign, Obturator sign, Obturator sign (finding)
Spanish signo del obturador (hallazgo), signo del obturador