Archive for the ‘Carcinoma’ Category

Mucoepidermoid carcinoma of the lung is a rare subtype of bronchial adenoma first described 35 years ago by Smetana et al. Although initially perceived to be a slow-growing neoplasm exhibiting local but not distant spread, dissemination was later described by Ozlu et al in 1961. Widespread metastases have since been described by many authors. Of […]

Pathologic Findings Gross inspection: Bilateral bullous pulmonary emphysema, particularly of the right upper lobe, was noted. Cross sections through the right upper lobe bronchus revealed mild thickening and narrowing of its first bifurcation. The mucosa overlying this stenotic portion was normal except for congestion and focal granularity The submucosa was expanded. Adjacent lobar lymph nodes […]

Bronchial adenomas are a group of rare tumors representing less than 1 percent of primary lung neoplasms. Of 298 bronchial adenomas reported from the Mayo Clinic in 1978, 89 percent were classified as carcinoid tumors, 6 percent as adenoid cystic carcinomas, and 4 percent as mucoepidermoid carcinomas. Approximately 100 cases of primary mucoepidermoid carcinoma of […]