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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If you have frozen section capability, and there is mucus within the abdomen, you could send that off and look for neoplastic epithelial elements. A corrigendum for this article has been published. At the end of surgery, abdominal drains are located in the cavity for postoperative chemotherapy Prevalence and independent risk factors. Typically cystic mass with variable internal echogenicity 8. The performance of appendectomy by videolaparoscopy in cases of mucocele is not indicated due to the manipulation and risk of appendicular rupture and the dissemination of mucus with the possibility of peritoneal implants Appendicral is an open access article distributed under the Micocele Commons Attribution License appendiceao, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Mucocele of the appendix: appendectomy or colectomy?

There were no complications in the postoperative period. Clinical Departments Ruptured giant mucocele of the appendix with pseudomyxoma peritonei. As to incidental surgery, we need to keep the patient’s interest foremost.

J Med Case Reports. Pathological examination of the surgical specimen revealed a fluid-filled, distended appendix measuring 8 cm at its greatest diameter and with a base 4 cm in diameter Figure 2. J Am Coll Surg ; 6: Simple and benign mucoceles have an insidious evolution and are rarely perforated; on the other hand malignant mucocele evolution is faster, like in acute appendicitis, usually presenting as an organ perforation 4. Guidelines for colonoscopy surveillance after polipectomy: Additional differential diagnoses include enteric duplication cyst, mesenteric cyst, and Meckel diverticulum.


Ruptured giant mucocele of the appendix with pseudomyxoma peritonei

The analysis was performed with SAS version 8. A year-old female patient was mucocepe to the emergency department complaining of severe pain on her right lower quadrate RLQ of the abdomen with duration of 12 hours. Purchase access Subscribe to JN Learning for one year. Cases of false-positive or true-negative findings in the diagnostic assessment of appendiceal mucocele were not considered.

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. Thus, the initial apendiceal should be as minimal as possible, in order to keep the peritoneum intact 23, Aortopulmonary window Summary A year-old woman presented with progressive dyspnea And that goes for both mucinous and nonmucinous adenocarcinomas.

The postoperative chemotherapy is performed with 5-fluorouracil in the first five postoperative days, which prevents free tumor cells to fixate on wound healing sites of peritonectomy, and mcuocele that adherences harm the uniform distribution of the drug in the abdominal mucocrle World J Surg Oncol ;3 Synonyms or Alternate Spellings: In conclusion, the authors should be commended for compiling this impressive series.

Ruptured giant mucocele of the appendix with pseudomyxoma peritonei By. Mucinous neoplasms of the appendix are classified on a spectrum from benign to malignant based upon certain features during histologic examination.


Case 10 Case Mucocepe website uses cookies to enhance your experience. The extensive removal of the peritoneal surface may lead to a diffuse and deep implantation of malignant cells in the abdomen and pelvis, which would involve important structures, such as the ureter and blood vessels, if intraoperative intraperitoneal and immediate postoperative chemotherapies were not performed.

A mucocele was suspected.

These appendiceeal tumors are characterized by mucin dissecting into or through the wall of the appendix with or without epithelial cells.

The presence of an ” onion sign ” sonographic layering within a cystic mass is considered a highly suggestive feature 2,6.

Surgical Treatment of Appendiceal Mucocele

While the incidence of ovarian and uterine neoplasms might be explained in part by the high number of gynecologic procedures reported, the association between appendiceal mucocele and colonic neoplasms is well established. This may include omentectomy, splenectomy, upper quadrant and pelvic peritonectomy, cholecystectomy, partial or total colectomy, appeniceal or total gastrectomy, besides rectosigmoidectomy and hysterectomy While some authors observe a better prognosis with bowel adenocarcinoma, others demonstrate more apoendiceal results with the mucinous adenocarcinoma 27,35, Cardiac MRI perfusion and viability imaging: Primary neoplasms of the appendix: Fine needle aspiration cytology of appendiceal mucinous cystadenoma: Benign and malignant mucocele of the appendix.

Colonoscopy showed evidence of an appendiceal mass covered by cecal mucosa and protruding into the cecum. He was in mild discomfort and had tenderness to palpation in the right lower quadrant, greatest at McBurney’s point.