arcinoid tumors arise from embryonic neural C crest cells that migrate to sites along the digestive and respiratory tract. Although primary carcinoids of the extrahepatic biliary tract are rare, thirteen cases (excluding ampullary tumors) have been reported.
An adolescent with bile duct carcinoid tumor
β Scribed by Volpe, Carmine M. ;Pryor, John P. ;Caty, Michael ;Doerr, Ralph J.
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 91 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0098-1532
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β¦ Synopsis
Grant sponsor: Health Science Council (ETT) of the Hungarian Ministry of Health; Grant number: 552/2000; Grant sponsor: ''Leuke Β΄mia Β΄s Gyermekeke Β΄rt'' (for the leukemic children) Foundation.
π SIMILAR VOLUMES
## BACKGROUND. Carcinoid tumors of the extrahepatic bile duct are rare and account for 0.2-2% of all gastrointestinal carcinoids. Similar to other tumors of the bile duct, these lesions are difficult to diagnose preoperatively and nearly impossible to distinguish from cholangiocarcinoma. ## METHOD
Background. Neuroendocrine tumors of the head and neck region may present problems in diagnosis. Middle ear carcinoid is a rare, recently recognized tumor, which to date has not been reported to metastasize. Methods. We report the case of a 64-year-old man with a 9-year history of recurrent middle