periampullary carcinoma
Pronunciation: pair-ee-am-PUL-air-ee kar-sin-OH-mah
Malignant tumors arising in the anatomical region surrounding the ampulla of Vater.
Full Definition
Periampullary carcinoma encompasses a group of malignant tumors that arise in the anatomical region around the ampulla of Vater, including the ampulla itself, distal bile duct, pancreatic head, and duodenum. These tumors often present with similar clinical symptoms including jaundice, weight loss, and abdominal pain, but have different histologic origins and prognoses. Distinction between these tumor types is important for treatment planning and prognostic assessment, with pancreaticoduodenectomy being the standard surgical approach for resectable disease.
Usage
Usage note: Requires histologic specification of exact anatomical origin for proper classification.
In Context
- "Final pathology confirmed a T2N0 periampullary carcinoma of duodenal origin with clear margins." — Pathology report
- "The patient underwent pancreaticoduodenectomy for a potentially resectable periampullary carcinoma." — Operative summary