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Mucocele of the appendiceal stump due to benign mucinous cystadenoma
D P Korkolis1, K Apostolaki, G D Plataniotis
1First Department of Surgery, Hellenic Anticancer Institute, St Savvas Hospital, Athens, Greece.
Abstract:
Mucocele of the appendix is a rare lesion, characterized by distension of the lumen due to accumulation of mucus material. Correct preoperative diagnosis is seldom achieved. If left untreated, the mucocele may rupture producing a potentially fatal peritoneal spread. The type of surgical treatment is related to the dimensions and histology of the mucocele. In this paper, the case of a 49-year-old woman, with a previous appendectomy, suffering from a painful mass in the right lower quadrant of the abdomen, is reported. Imaging showed a large, cystic structure at the base of the cecum. Surgery revealed a 8x5.5 cm calcified tumor, which was excided together with the appendiceal remnant. Pathological diagnosis was that of a mucocele arising from the appendiceal stump due to the development of a benign mucinous cystadenoma.
Insights
Mucocele of the appendix is a rare condition causing lumen distension. This case highlights a mucocele arising from the appendiceal stump after a previous appendectomy, emphasizing diagnostic and surgical considerations.
Area of Science:
- Gastroenterology
- Surgical Pathology
Background:
- Mucocele of the appendix is a rare appendiceal lesion characterized by mucus accumulation.
- Preoperative diagnosis is often challenging, and untreated mucoceles can lead to serious complications like peritoneal spread.
Observation:
- A 49-year-old woman with a prior appendectomy presented with a painful right lower quadrant abdominal mass.
- Imaging revealed a large, cystic structure at the cecal base.
Findings:
- Surgical exploration identified an 8x5.5 cm calcified tumor at the appendiceal stump.
- Pathological examination confirmed a mucocele of the appendiceal stump, originating from a benign mucinous cystadenoma.
Implications:
- This case underscores the importance of considering appendiceal stump mucocele in patients with recurrent appendiceal pathology.
- Accurate diagnosis and appropriate surgical management are crucial to prevent complications associated with appendiceal mucoceles.
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