Cytologic diagnosis of neuroendocrine tumors can be straightforward on cytologic preparations, given the classical neuroendocrine morphology and expression of neuroendocrine markers confirmed by immunohistochemistry. However, overreliance on neuroendocrine markers can lead to misdiagnosis even if individual cell features suggest a neuroendocrine tumor. We present three unusual cases, two of which were initially diagnosed as neuroendocrine tumors and the third one carried preliminary diagnosis of neuroendocrine tumor on endoscopic ultrasound-guided fine-needle aspirates.
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February 2020
Although endoscopic biopsy of a rectal submucosal nodule may be nondiagnostic, endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) can be an important tool to make diagnosis. We report a case of a female patient who had an EUS-FNA of a submucosal nodule after a nondiagnostic rectal biopsy. The original diagnosis was erroneously rendered as concerning for necrotic neoplasm.
View Article and Find Full Text PDFBackground And Aims: The obesity epidemic has led to increased use of Roux-en-Y gastric bypass (RYGB). These patients have an increased incidence of pancreaticobiliary diseases, yet standard ERCP is not possible because of surgically altered gastroduodenal anatomy. Laparoscopy-assisted ERCP (LA-ERCP) has been proposed as an option, but supporting data are derived from single-center small case series.
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