Intra-ampullary papillary–tubular neoplasm

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Intra-ampullary papillary–tubular neoplasm
Other namesIntra-ampullary papillary tubular neoplasm, intra-ampulla papillary–tubular neoplasm, IAPN
SpecialtyGastroenterology, oncology

Intra-ampullary papillary–tubular neoplasms (IAPN) are precancerous neoplasms of the ampulla of Vater.[1] On histological examination the neoplasms exhibit both papillary and tubular features.[2]

IAPN were first described in 2010.[1] They are rare; comprising 0.5% of gastrointestinal tumours.[1]

See also[edit]

References[edit]

  1. ^ a b c Tejaswi, Sooraj; Parikh, Mili; Fananapazir, Ghaneh; Olson, Kristin; Gui, Dorina (July 2023). "Intra-ampullary papillary-tubular neoplasm". VideoGIE. 8 (7): 277–282. doi:10.1016/j.vgie.2023.03.002. PMC 10338961. PMID 37456221. Retrieved 3 November 2023.
  2. ^ Allard, FD. "Intra-ampullary papillary tubular neoplasm (IAPN)". www.pathologyoutlines.com. Retrieved 3 November 2023.