CHORUS
Collaborative Hypertext of Radiology
Duodenum
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duodenal tumors
- 90% benign
- in 2nd + 3rd portion: 50% malignant
- in 4th portion: most malignant
- of malignancies: 80-90% --> adenoCa
DDx:
- benign
- tubular adenoma
- leiomyoma
- lipoma
- hamartoma (Peutz-Jeghers)
- prolapsed antral polyp
- Brunner's gland "adenoma" (really hypertrophy + hyperplasia)
- malignant
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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