Introduction: Endoscopic ultrasound guided tissue acquisition (EUS- TA) has become the mainstay for tissue diagnosis of abdominal mass lesions. Two widely used and accepted methods for obtaining diagnostic material, namely fine needle aspiration cytology (EUS-FNAC) and needle core biopsy (EUS-FNB) have distinct advantages and dis-advantages. We compared the diagnostic accuracy of EUS FNAC without on-site pathology and EUS FNB in solid gastrointestinal and extra-intestinal abdominal masses taken within the same endoscopic session.
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Najar et al. (2024) studied this question.
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