Is a mucocele a tumor?
CONCLUSION. 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?
In conclusion, appendiceal mucocele is a nonspecific term that encompasses a range of diagnoses, including neoplastic and non-neoplastic causes of appendiceal dilation and mucin production. Resection is recommended for mucoceles due to their potential for malignancy.
What is a appendiceal mucocele?
Mucocele of the appendix is a descriptive term that refers to dilation of the appendiceal lumen as a result of mucin accumulation and is based on the gross or macroscopic appearance of the appendix. Mucocele formation is most commonly caused by epithelial proliferation, either benign or malignant.
What is appendiceal mucosa?
Appendiceal mucoceles occur when there is an abnormal accumulation of mucin causing abnormal distention of the vermiform appendix due to various neoplastic or non-neoplastic causes.
How common is appendiceal cancer?
Appendiceal cancer is very rare. In the US, it has been thought to affect about 1 or 2 people per 1 million per year. However, recent studies show that appendiceal cancer is becoming more common. It is more common in people between the ages of 50 and 55 years old, but can happen at any age.
What kind of cancer starts in the appendix?
Appendix adenocarcinoma: These tumors begin as cells that line the inside of the appendix and are treated similarly to colorectal cancer. Signet ring cell adenocarcinoma is a very rare subset and tends to be more aggressive.
What are the signs of appendix cancer?
Symptoms of Appendiceal Cancer
- pelvic discomfort or vague abdominal discomfort, usually on the right side.
- pain in the abdomen and/or a feeling of fullness.
- bowel obstruction or blockage.
- inability to pass gas.
- ovarian masses.
- shortness of breath.
Is low-grade appendiceal mucinous neoplasm malignant?
Low-grade appendiceal mucinous neoplasm (LAMN) is a rare malignancy with symptoms varying depending on the clinical manifestations. The most worrisome complication of this particular neoplasm is seeding of mucin into the adjacent peritoneum leading to pseudomyxoma peritonei (PMP).
What is appendiceal lesion?
Appendiceal mucinous lesions are a rare group of lesions characterized by a distended, mucus-filled or ruptured appendix.
What is appendiceal orifice polyp?
Polyps at the appendiceal orifice (AO) are rare and can pose unfamiliar endoscopic territory to colonoscopists. AO polyps pose a risk for appendiceal obstruction and resulting appendicitis in addition to malignant potential.