What causes Mucocele of the appendix?

Mucocele formation is most commonly caused by epithelial proliferation, either benign or malignant. Much less frequently, inflammatory or obstructive causes, to include appendicitis and obstruction by a fecalith or appendicolith, are the cause of mucocele formation.

Can an appendix Mucocele be cancerous?

One of these types of growths is appendiceal mucoceles, sacs or cysts on the appendix wall found on a CT scan. This type of lesion is not cancerous, but cancer cannot be ruled out unless they are removed.

How rare is an appendiceal mucocele?

Introduction: Mucocele of the appendix is caused by a retention cyst, mucosal hyperplasia, mucinous cystadenoma or mucinous cystadenocarcinoma. It is extremely rare, found in 0.2-0.3% of resected appendices in the United States.

Is appendiceal mucocele painful?

Clinical presentation of appendicular mucoceles is usually vague; furthermore, it can be asymptomatic in a quarter of patients. Most commonly, patients present with right lower quadrant pain as seen in our patient. Palpable masses have been reported in 50% of cases, whereas urinary symptoms are rare [5,6].

Is appendiceal mucocele necessary to remove?

For patients with a non-neoplastic mucinous abnormality (eg, simple mucocele or retention cyst or serrated polyp of the appendix), no additional treatment or surveillance is necessary.

How often are Mucocele of the appendix malignant?

Although the condition is more common in malignant appendiceal mucocele (95% occurrence rate as opposed to 13% in patients with nonmalignant appendiceal mucocele), the grave consequences of pseudomyxoma peritonei and the somewhat better prognosis for patients whose condition is diagnosed and treated early should …

Is a mucocele a tumor?

The mucocele-like tumor is a rare lesion of the breast, the benign form of which has a nonspecific mammographic appearance. The tumor can present as indeterminate microcalcifications or as a nodule, often containing calcifications.

Is appendiceal Mucocele necessary to remove?

Is a Mucocele a tumor?

Is Appendiceal mucocele necessary to remove?