About The Medical Condition Carcinomas, Alveolar
Find the definition of the medical term Carcinomas, Alveolar. Carcinomas, Alveolar defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Carcinomas, Alveolar
| Carcinomas, Alveolar Medical Condition |
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What's The Definition Of The Medical Condition Carcinomas, Alveolar?
A carcinoma thought to be derived from epithelium of terminal bronchioles, in which the neoplastic tissue extends along the alveolar walls and grows in small masses within the alveoli. Involvement may be uniformly diffuse and massive, or nodular, or lobular. The neoplastic cells are cuboidal or columnar and form papillary structures. Mucin may be demonstrated in some of the cells and in the material in the alveoli, which also includes denuded cells. Metastases in regional lymph nodes, and in even more distant sites, are known to occur, but are infrequent. (From Stedman, 25th ed)
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