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Mucocele of the appendix is a term used to describe a dilated, mucin-filled appendix. It is most commonly the result of epithelial proliferation, but can be caused. Appendiceal mucoceles occur when there is an abnormal accumulation of mucin causing abnormal distention of the vermiform appendix due to various. Appendiceal Mucocele: A Diagnostic Dilemma in Differentiating Malignant From Benign Lesions With CT. Hao Wang1, Yong-Qi Chen2, Ran Wei1, Qing-Bing.

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The patient was released from the clinic on the fourth day. Clinical Departments Imaging Modalities.

The prognosis is good in cases of integrity of muclcele appendix. Update on the surgical approach to mucocele of the appendix. If a ruptured appendiceal mucocele is revealed intraoperatively, then the primary resection should be accompanied by removal of all gross implants [ 735 ].

Surgical Treatment of Appendiceal Mucocele. | Oncology | JAMA Surgery | JAMA Network

Were those colorectal cancers or lesions blocking the appendiceal orifice and therefore causing the mucocele from direct obstruction, or was there an association with colon cancers located at sites other than in the vicinity of the appendiceal orifice? Giant mucinous cystadenoma of the appendix. Review of the pathological results of appendectomy specimens.

The timing for the second look should be at six months after the initial appendectomy. Mucocele of the appendix is an uncommon but potentially dangerous pathological entity that presents in a variety of ways. The most common symptoms in the remaining 65 patients are reported in Table 1.

The preoperative diagnosis is difficult due to non-specific clinical manifestations of the disease. In a middle-aged or elderly patient with a lump in the right iliac fossa, presenting acutely with pain, the possibility of ruptured mucocele of appendix must be considered.


The natural history of surgically treated primary adenocarcinoma of the appendix.

Ruptured giant mucocele of the appendix with pseudomyxoma peritonei

Medical oncology did not recommend adjuvant chemotherapy. Rest-stress perfusion and viability cardiac As previously reported, any patient with benign or malignant mucocele of the appendix may have pseudomycoma peritonei, however, this condition is more common for the malignant mucocele 4,5.

Abstract Appendiceal mucocele is a rare disease. An appendicolith was also present at the base of the appendix Figure 1b.

Case Reports in Oncological Medicine

Salt Lake City, Appendkceal Mucocele of the appendix. Unable to process the form. They are most helpful. Case 10 Case Even at the unsuccessful attempt of complete cytoreduction, a better evolution is observed in these patients when compared to those who have not been submitted to any procedure Right hemicolectomy does not confer a survival advantage in patients with mucinous carcinoma of the appendix and peritoneal seeding.

In the emergency setting AM can also be presented as intestinal strangulation, appendiceal appehdiceal, or generalised abdominal pain [ 51920 ]. Ultrasound, laparoscopy, and open biopsy were diagnostic in 2 patients each.

This conduct is different from the primary colon cancer with peritoneal carcinomatosis, in which the results are better when the definite conduct is performed at the initial surgery Some tests present images of multiple echogenic layers in the dilated appendix, which may be considered as pathognomonic of appendix mucocele The classification based on histopathological standards is really important, once the progress of the disease and its prognosis are related to the subtypes.

Case 8 Case 8. Support Center Support Center. We subdivided the muckcele histologically on the basis of the World Health Organization classification. The patient was taken to the operating room and a right hemicolectomy was performed. The analysis was performed with SAS version 8. Get free access to newly published articles Create a personal account or sign in to: Services on Demand Journal.


A manual of pathological anatomy. USG can be used to differentiate between mucocele and acute appendicitis.

Ruptured giant mucocele of the appendix with pseudomyxoma peritonei

Rare causes found in the literature are endometriosis and metastatic melanoma [ 1314 ]. However, the definition of mucinous tumor of uncertain malignant potential was not used in the pathology reports and, therefore, could not be considered as a separate category.

CT diagnosis of mucocele of the appendix in patients with acute appendicitis. A correct diagnosis before surgery is very important for the selection of surgical technique to avoid severe intraoperative and postoperative complications. Preoperative diagnosis of appendicular mucocele is very important for the selection of an adequate surgical method to prevent peritoneal dissemination, to prevent intraoperative and postoperative complication, and repeated surgery.

Mucocele of the appendix can also result from alterations in the cecum, such as fecal impaction, polyps or malignant neoplasms, which, in theory, can obstruct the appendiceal ostium.

We did not mucocelle at the false-positive rate of diagnostic studies in this review because there just simply wasn’t enough data for us to really say anything intelligent about it. Single-port laparoscopic surgery for appendiceal mucoceles has also been reported to be safe and feasible [ 34 ]. Laboratory analysis was unremarkable. As to incidental appenciceal, we need to keep the patient’s interest foremost.

Clinical Departments Ruptured giant mucocele of the appendix with pseudomyxoma peritonei.