Evaluation of PCLs Using Three EUS-FNA Needles


About this study

To document impact of EUS-FNA needle size and flexibility on effectiveness of pancreatic cystic lesions (PCL) aspiration, on ability to obtain sufficient material for standard diagnostic testing, and on diagnostic accuracy of EUS-FNA aspirate for differentiation of mucinous (pre-malignant) and non-mucinous cysts.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Pancreatic cystic lesion measuring 13mm or greater in largest diameter.
  • Indicated for EUS evaluation of the PCL including EUS-FNA.
  • Age 18 years of age or older.
  • Willing and able to comply with the study procedures and provide written informed consent form to participate in the study.

Exclusion Criteria:

  • Cysts in which FNA is not indicated based on review by the clinician, including potential concern of blood vessel location relative to the cyst.
  • Requirement for anticoagulation using clopidogril, warfarin, or other long acting antiplatelet agents (with the exception of aspirin) that cannot be safely stopped according to institutional guidelines.
  • Standard contraindications for EUS.
  • Known pancreatic pseudocyst.
  • Pregnancy.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Michael Wallace, M.D.

Closed for enrollment

Jacksonville, Fla.

Mayo Clinic principal investigator

Michael Wallace, M.D.

Closed for enrollment

More information


Publications are currently not available

Mayo Clinic Footer