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[Giant mucocele of appendix. Case report]
M Pittaluga1, R Lombezzi, G Fantino
1Ospedale Santo Spirito-Bra (Cn), Divisione Chirurgia Generale.
Il Giornale Di Chirurgia
|December 7, 2005
Summary
Appendiceal mucocele, a mucus accumulation in the appendix, presents with right lower quadrant pain. The specific "onion skin sign" on ultrasound aids in diagnosing this uncommon condition.
Area of Science:
- Gastroenterology
- Radiology
- Pathology
Background:
- Appendiceal mucocele is a rare condition involving mucus buildup in the appendix.
- It encompasses diverse histopathologic subtypes, influencing patient prognosis.
Observation:
- Common symptoms include right lower quadrant pain or a palpable mass.
- Preoperative diagnosis relies on ultrasound (US) and computed tomography (CT) scans.
Findings:
- CT scans often reveal a cystic mass with wall calcification.
- Ultrasound may show a cystic lesion with the characteristic "onion skin sign."
Implications:
- The "onion skin sign" on ultrasound is a specific marker for appendiceal mucocele.
- This finding, with normal female reproductive organs, strongly suggests the diagnosis.
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