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Acinic cell carcinoma is a malignant tumor representing 2% of all salivary tumors. 90% of the time found in the parotid gland, 10% intraorally on buccal mucosa or palate. The disease presents as a slow growing mass, associated with pain or tenderness in 50% of the cases. Often appears pseudoencapsulated.
Oncology, Pulmonology. Acinic cell carcinoma of the lung is a very uncommon tumor that typically appears close to the right bronchus. [ 1 ] As of 2022, only 29 cases have been documented in the English literature [ 1 ] since Fechner et al. first described this entity in 1972. [ 2 ] Histologically similar to the major and minor salivary glands ...
CT scan in a patient with acinar cell carcinoma. The disease is more common in men than women and the average age at diagnosis is about 60. [2] Symptoms are often non-specific and include weight loss. A classic presentation, found in around 15% of cases includes subcutaneous nodules (due to fat necrosis) and arthralgias, caused by a release of ...
Acinar adenocarcinoma of the lung is a highly lethal disease. Overall, the five-year survival rates approximate 16% to 22%. Generally, survival is better in all stages for patients with the acinar (or papillary) pattern than it is in patients with the solid pattern, but considerably worse than those with the bronchioloalveolar pattern.
Resected pancreatoblastomas can be quite large, ranging from 2 centimeters to 20 centimeters in size (1 to 8 inches). They are typically solid, soft masses. Under the microscope, at least two cell types are seen: cells with “acinar” differentiation, and cells forming small “squamoid” nests. The cells with acinar differentiation have ...
Like the 'functioning' endocrine cancers described below, acinar cell carcinomas may cause over-production of certain molecules, in this case digestive enzymes, which may cause symptoms such as skin rashes and joint pain. Cystadenocarcinomas account for 1% of pancreatic cancers, and they have a better prognosis than the other exocrine types. [27]
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Adenocarcinoma in situ (AIS) of the lung —previously included in the category of " bronchioloalveolar carcinoma " (BAC)—is a subtype of lung adenocarcinoma. It tends to arise in the distal bronchioles or alveoli and is defined by a non-invasive growth pattern. This small solitary tumor exhibits pure alveolar distribution (lepidic growth ...