A 24-year-old female presents with acute bilateral lower abdominal pain, purulent cervical discharge, and post-coital bleeding. Bimanual pelvic examination elicits marked cervical motion tenderness (the 'chandelier sign') and bilateral adnexal tenderness. What is the diagnosis?

Answer and explanation

Correct answer: B. Acute pelvic inflammatory disease (PID)

  1. Step 1: Acute PID is an ascending polymicrobial infection of the upper genital tract (endometrium, fallopian tubes, ovaries).
  2. Step 2: The presence of uterine, adnexal, or cervical motion tenderness in a sexually active young woman with cervical discharge fulfills diagnostic criteria for PID.
Answer
Acute pelvic inflammatory disease (PID).
Why not the others: 'Ruptured corpus luteum cyst' presents with sudden unilateral pelvic pain without cervical purulence or chandelier sign; 'Acute appendicitis' features migratory right lower quadrant pain and anorexia; 'Ovarian torsion' presents with sudden, severe, unilateral ischemic pain accompanied by vomiting.

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