Introduction.

Mucocele is a dilatation of the vermiform appendix characterized by viscous mucoid material secretion. Its incidence is low -0.2-0.3% to 0.7% of the total of the appendectomies-, therefore, it is considered as a rare entity, which affects mainly women with a ratio of 4:1. Diagnosis is often incidental, and its management is surgical based on histology.

Clinical case.

69-year-old male patient who presented with abdominal pain of 5 days of evolution in the right iliac fossa, accompanied by anorexia, nausea and unquantified fever. Physical examination revealed positive Mc Burney's and Blumberg's signs, indicating peritonism. Appendectomy and appendiceal raffia were performed using the Parker-Kerr technique. Intraoperative findings included an appendicular tumor with a thick base and mucoid content. The histo-pathological study showed a cecal appendix structure with coagulative necrosis of the mucosa and the wall, as well as mucosa with focal deposit of mucoid material. The patient was discharged after 8 days without further complications.

Conclusion:

Studies on appendicular mucocele are scarce, and due to its complications, radiological controls at a shorter time interval, and even early surgical treatment, are necessary to avoid complications such as intestinal obstruction, peritoneal bleeding or pseudomyxoma.

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