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Adenocarcinoma

**Adenocarcinoma, NOS**
*Classification & external resources*
ICD-9	151.0, 182.0
ICD-O:	M8140/3

Adenocarcinoma is a cancer that originates in glandular tissue. To be classified as adenocarcinoma, the cells do not necessarily need to be part of a gland, as long as they have secretory properties. This form of carcinoma can occur in some higher mammals, including humans.^[1]

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The term adenocarcinoma is derived from 'adeno' meaning 'pertaining to a gland' and 'carcinoma', which describes a cancer that has developed in the epithelial cells.

It can first present as an adenoma (a glandular tumor that is benign).

Topography

Examples of tissues where adenocarcinomas may arise:

breast
colon
lung
prostate
stomach
pancreas (99% of pancreatic cancers are ductal adenocarcinomas [1])
cervix
vagina
urachus

References

^ Fauquier, D.A., Gulland, F.M.D.,(Marine Mammal Center), Haulena, M., Spraker, T., ‘’Biliary adenocarcinoma in a stranded Northern elephant seal (‘’Mirounga angustirortsis’‘)’‘, Journal of Wildlife Diseases 39(3):723-726 (2003)

v • d • e Epithelial neoplasms (ICD-O 8010-8799)
Papilloma/carcinoma (8010-8139)	Small cell carcinoma - Verrucous carcinoma - Squamous cell carcinoma - Basal cell carcinoma - Transitional cell carcinoma
Adenomas/adenocarcinomas (8140-8429)	Linitis plastica pancreas (Insulinoma, Glucagonoma, Gastrinoma, VIPoma, Somatostatinoma) Cholangiocarcinoma - Hepatocellular adenoma/Hepatocellular carcinoma - Adenoid cystic carcinoma - Familial adenomatous polyposis - Prolactinoma - Oncocytoma - Hurthle cell - Clear cell adenoma/adenocarcinoma - Renal cell carcinoma - Multiple endocrine neoplasia - Endometrioid tumor
Adnexal And Skin appendage (8390-8429)	sweat gland (Hidrocystoma, Syringoma)
Cystic, Mucinous And Serous (8440-8499)	(Mucoepidermoid carcinoma - Cystadenoma/Cystadenocarcinoma/Pseudomyxoma peritonei - Signet ring cell carcinoma/Krukenberg tumor
Ductal, Lobular And Medullary (8500-8549)	Ductal carcinoma - Paget's disease of the breast/Extramammary Paget's disease
Acinar cell (8550-8559)	Acinic cell carcinoma
Complex epithelial (8560-8589)	Warthin's tumor - Thymoma
Gonadal (8590-8679)	Sex cord-stromal tumour - Thecoma - Granulosa cell tumour - Arrhenoblastoma/Sertoli-Leydig cell tumour
Paragangliomas And Glomus tumors (8680-8719)	Paraganglioma - Pheochromocytoma - Glomus tumor
Nevi and melanomas (8720-8799)	Melanocytic nevus - Nodular melanoma - Dysplastic nevus - Lentigo maligna melanoma - Superficial spreading melanoma - Blue nevus