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Adenoid cystic carcinoma is a rare type of cancer that can exist in many different body sites. This tumor most often occurs in the salivary glands, but it can also be found in many anatomic sites, including the breast, [1] [2] lacrimal gland, lung, brain, Bartholin gland, trachea, and the paranasal sinuses.
Ceruminous adenocarcinoma is a malignant neoplasm derived from ceruminous glands of the external auditory canal.This tumor is rare, with several names used in the past. [3] [4] Synonyms have included cylindroma, ceruminoma, ceruminous adenocarcinoma, not otherwise specified (NOS), ceruminous adenoid cystic carcinoma (ACC), [1] [2] and ceruminous mucoepidermoid carcinoma.
PNI and PNS are considered an unfavorable prognostic factors in head and neck cancer of virtually all sites, associated with poor local and regional disease control, probability of locoregional and distant metastases, disease recurrence, and lower survival rate. Although adenoid cystic carcinoma accounts for only 1-3% of head and neck tumors ...
Primary cutaneous adenoid cystic carcinoma is a cutaneous condition characterized by a tumor that usually presents on the chest, scalp, or vulva of middle- to older-aged persons. [1]: 670 Primary cutaneous adenoid cystic carcinomas have been misinterpreted as metastatic lesions. [2] It was characterized in 1975. [3]
Cystadenocarcinoma is a malignant form of a cystadenoma and is a cancer derived from glandular epithelium, in which cystic accumulations of retained secretions are formed. The neoplastic cells manifest varying degrees of anaplasia and invasiveness, and local extension and metastases occur.
Prognosis is good for acinic cell carcinoma of the parotid gland, with five-year survival rates approaching 90%, and 20-year survival exceeding 50%. Patients with acinic cell carcinomas with high grade transformation (sometimes also called dedifferentiation ) have significantly worse survival.
A subtype of adenocarcinoma, the bronchioloalveolar carcinoma, is more common in female never-smokers, and may have a better long-term survival. [13] This cancer usually is seen peripherally in the lungs, as opposed to small cell lung cancer and squamous cell lung cancer, which both tend to be more centrally located. [14] [15]
M8075/3 Squamous cell carcinoma, adenoid Squamous cell carcinoma, pseudoglandular; ... M8508/3 Cystic hypersecretory carcinoma (C50._) M8510/3 Medullary carcinoma, NOS