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Difficulty: HardGynecologic Infections

A 24-year-old nulligravid woman presents to the emergency department reporting three days of sharp, right-sided abdominal pain that intensifies when she takes a deep breath. She also describes a mild, dull, bilateral lower pelvic ache for the past week and new-onset vaginal spotting between her menses. Her temperature is 38.4°C (101.1°F), blood pressure is 118/76 mm Hg, and pulse is 98/min. Physical examination reveals tenderness to deep palpation in the right upper quadrant, but no rebound tenderness or guarding. Bowel sounds are normoactive. Laboratory studies show a leukocyte count of 14,000/mm³. Serum aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase levels are within normal limits. Right upper quadrant ultrasonography reveals a normal-appearing gallbladder without gallstones, normal biliary ducts, and a trace amount of perihepatic free fluid. Which of the following is the most appropriate next step in the evaluation of this patient?

  1. A
    Initiate empiric intravenous piperacillin-tazobactam and admit for observation
  2. B
    Obtain an upright abdominal radiograph and request a surgical consultation
  3. Perform a bimanual pelvic and speculum examinationAnswer
  4. D
    Perform an outpatient endometrial biopsy to evaluate the irregular vaginal spotting
  5. E
    Measure serum testosterone and dehydroepiandrosterone sulfate levels

Answer

Perform a bimanual pelvic and speculum examination
The correct answer involves directly evaluating the pelvis. This patient's presentation of pleuritic right upper quadrant (RUQ) pain, fever, normal liver function tests, and perihepatic fluid is highly suspicious for perihepatitis (Fitz-Hugh-Curtis syndrome). Fitz-Hugh-Curtis syndrome is an extra-pelvic manifestation of pelvic inflammatory disease (PID), most commonly caused by *Chlamydia trachomatis* or *Neisseria gonorrhoeae*. The infection ascends from the lower genital tract, causing the reported intermenstrual spotting and lower pelvic ache, and spreads through the peritoneal cavity to the liver capsule. Because the liver parenchyma itself is unaffected, liver enzymes remain normal. The most appropriate next step to confirm the primary source of this infection is a bimanual pelvic and speculum examination to assess for cervical motion tenderness, uterine or adnexal tenderness, and purulent cervical discharge.

Step-by-Step Solution

1
Analyze the right upper quadrant (RUQ) findings, fever, and laboratory results.
The patient has pleuritic RUQ pain and perihepatic free fluid, but normal liver function tests.
Normal liver enzymes rule out hepatocellular injury (hepatitis) and biliary obstruction (cholecystitis), pointing toward inflammation of the liver capsule itself (perihepatitis).
2
Correlate the perihepatitis with the patient's concurrent pelvic symptoms.
The combination of perihepatitis, bilateral lower pelvic ache, and intermenstrual spotting strongly suggests Fitz-Hugh-Curtis syndrome.
Fitz-Hugh-Curtis syndrome is an extra-pelvic manifestation of pelvic inflammatory disease (PID), where the infection ascends from the lower genital tract and spills into the peritoneum, tracking up the right paracolic gutter to the liver capsule.
3
Determine the most appropriate next diagnostic step.
A bimanual pelvic and speculum examination must be performed.
Direct clinical evaluation of the pelvis is required to assess for cervical motion tenderness, adnexal tenderness, and purulent discharge, which would confirm the primary PID diagnosis and guide targeted antibiotic therapy.

Key Concept

Fitz-Hugh-Curtis syndrome (perihepatitis) is a complication of pelvic inflammatory disease that presents with pleuritic right upper quadrant pain and normal liver transaminases; diagnosis requires a pelvic examination to confirm the primary genital tract infection.
Estimated Time:1m 30s
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Topics

Gynecologic Infections

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