Splenic tumors are occasionally found in clinical practice but the diagnosis is often difficult if only serologic and imaging tests are used. Therefore, pathologic sampling is required in such cases. Endoscopic ultrasonography (EUS) provides a good image of the spleen through the gastric wall, and a transgastric EUS-guided fine needle aspiration (EUS-FNA) biopsy may be easier than the percutaneous approach. Furthermore, a large-gauge needle may raise the capability of EUS-FNA for the histopathologic diagnosis. The aim of this study was to evaluate the yield of EUS-FNA using a large-gauge needle for a splenic tumor. Five patients with splenic tumor were subjected to EUS-FNA with a 19-gauge needle to obtain histopathologic materials. A pathologic sample was obtained in all cases, and the diagnoses were lymphoma (n = 2), sarcoidosis (n = 2), and inflammatory pseudotumor (n = 1). EUS-FNA using a 19-gauge needle is safe and useful for the diagnosis of splenic tumors.
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