Su1445 QUALITY EVALUATION AND CLINICAL IMPACT OF HISTOLOGY CORES OBTAINED WITH A NOVEL EUS-GUIDED FRONT-END BIOPSY NEEDLE ON SUBMUCOSAL TUMORS

Endoscopic-ultrasound (EUS) guided Fine-needle Aspiration (FNA) has been used to reach a pathology diagnosis in submucosal tumors (SMTs) with a low diagnostic yield. Standard and reverse bevel technology needles acquire cytology and cell-block that provide a sample adequate for a suspicion diagnosis but mostly inadequate for immunohistochemistry that is necessary to reach a definitive diagnosis in this kind of lesions. Histology needles have demonstrated a high yield and obtain cores adequate for immunohistochemistry in pancreatic lesions

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