Intra-ampullary papillary–tubular neoplasm
Intra-ampullary papillary–tubular neoplasms (IAPN) are precancerous neoplasms of the ampulla of Vater. On histological examination the neoplasms exhibit both papillary and tubular features.
| Intra-ampullary papillary–tubular neoplasm | |
|---|---|
| Other names | Intra-ampullary papillary tubular neoplasm, intra-ampulla papillary–tubular neoplasm, IAPN |
| Specialty | Gastroenterology, oncology |
IAPN were first described in 2010. They are rare; comprising 0.5% of gastrointestinal tumours.
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