Human pathology

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pulmonary mucinous tumors

mucinous cystadenoma, multilocular cystic carcinoma, mucinous cystic tumor, cystic mucinous adenocarcinoma, mucinous cystic tumors of borderline malignancy, mucinous (colloid) carcinoma (MC), mucinous cystoadenocarcinoma, mucinous adenocarcinoma with signet-ring cells

Definition: Primary lung tumors in which neoplastic cells float in large mucin pools.

Types

- mucinous cystadenoma

  • localized cystic mass filled with mucin and surrounded by a fibrous wall lined by well-differentiated columnar mucinous epithelium

- mucinous cystadenocarcinoma

  • cystic adenocarcinoma with copious mucin production resembling tumors of the same name in the ovary, breast and pancreas

See also

- primary mucin-rich tumors