BACKGROUND: EUS-guided liver biopsy by Trucut yields variable specimen adequacy at high cost, limiting its utility. A modified EUS-guided technique with reliable adequacy could be a viable alternative to standard techniques in cost-effective clinical settings. OBJECTIVE: To describe our experience with EUS-guided liver biopsy by 19-gauge FNA, non-Trucut, needle in a cost-effective setting: patients with abnormal liver test results of unclear etiology referred for EUS to exclude biliary obstruction in whom an unrevealing EUS would have prompted a next-step liver biopsy by the referring physician. DESIGN: Prospective case series. SETTING: Tertiary-care teaching hospital. PATIENTS: Consecutive patients with abnormal liver tests referred for EUS. INTERVENTIONS: EUS-guided liver biopsy by 19-gauge FNA needle (non-Trucut). MAIN OUTCOME MEASUREMENTS: Diagnostic yield, specimen adequacy, and complications. An adequate specimen was defined as a length of 15 mm or longer and 6 or more complete portal tracts (CPTs). RESULTS: Between July 2008 and July 2011, 22 of 31 consecutive patients meeting inclusion criteria underwent unrevealing EUS with same-session EUS-guided liver biopsy by 19-gauge FNA needle. A median of 2 FNA passes (range 1-3) yielded a median specimen length of 36.9 mm (range 2-184.6 mm) with a median of 9 CPTs (range 1-73 CPTs). EUS-guided liver biopsies yielded a histologic diagnosis and adequate specimens in 20 of 22 patients (91%). Expanded experience led to improved specimen adequacy. There were no complications. LIMITATION: Small study size. CONCLUSIONS: EUS-guided liver biopsy by using a 19-gauge FNA needle appears to be feasible and safe and provides excellent diagnostic yield and specimen adequacy.
BACKGROUND: EUS-guided liver biopsy by Trucut yields variable specimen adequacy at high cost, limiting its utility. A modified EUS-guided technique with reliable adequacy could be a viable alternative to standard techniques in cost-effective clinical settings. OBJECTIVE: To describe our experience with EUS-guided liver biopsy by 19-gauge FNA, non-Trucut, needle in a cost-effective setting: patients with abnormal liver test results of unclear etiology referred for EUS to exclude biliary obstruction in whom an unrevealing EUS would have prompted a next-step liver biopsy by the referring physician. DESIGN: Prospective case series. SETTING: Tertiary-care teaching hospital. PATIENTS: Consecutive patients with abnormal liver tests referred for EUS. INTERVENTIONS: EUS-guided liver biopsy by 19-gauge FNA needle (non-Trucut). MAIN OUTCOME MEASUREMENTS: Diagnostic yield, specimen adequacy, and complications. An adequate specimen was defined as a length of 15 mm or longer and 6 or more complete portal tracts (CPTs). RESULTS: Between July 2008 and July 2011, 22 of 31 consecutive patients meeting inclusion criteria underwent unrevealing EUS with same-session EUS-guided liver biopsy by 19-gauge FNA needle. A median of 2 FNA passes (range 1-3) yielded a median specimen length of 36.9 mm (range 2-184.6 mm) with a median of 9 CPTs (range 1-73 CPTs). EUS-guided liver biopsies yielded a histologic diagnosis and adequate specimens in 20 of 22 patients (91%). Expanded experience led to improved specimen adequacy. There were no complications. LIMITATION: Small study size. CONCLUSIONS: EUS-guided liver biopsy by using a 19-gauge FNA needle appears to be feasible and safe and provides excellent diagnostic yield and specimen adequacy.
Authors: David L Diehl; Amitpal S Johal; Harshit S Khara; Stavros N Stavropoulos; Mohammed Al-Haddad; Jayapal Ramesh; Shyam Varadarajulu; Harry Aslanian; Stuart R Gordon; Frederick K Shieh; Jonh J Pineda-Bonilla; Theresa Dunkelberger; Dibson D Gondim; Eric Z Chen Journal: Endosc Int Open Date: 2015-02-27