Periampullary Neoplasms
Conditions
Keywords
EUS, periampullary neoplasms
Brief summary
The purpose of this retrospective study is to determine the degree to which a biliary stent affects EUS staging accuracy of ampullary tumors.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients will be identified retrospectively through an existing Indiana University Medical Center EUS database and pathology database. * Patients with and without biliary stents will be included.
Exclusion criteria
* Patients that were suspected to have ampullary tumors but who were ultimately found to have a normal ampulla will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The presence of a biliary stent decreases EUS staging accuracy due to the intervening shadow artifacts | — |
Countries
United States