Rodrigo Altenfelder

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Paraganglioma is a rare tumor that should be included in the differential diagnosis of retroperitoneal tumors. Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) has emerged as an effective tool in the diagnosis of these lesions. A 37-year-old female patient with a history of microcytic anemia underwent EUS-FNA and was diagnosed with a(More)
INTRODUCTION In order to improve diagnostic efficacy of pancreatic masses, a new endoscopic ultrasonography-fine-needle aspiration (EUS-FNA) needle was developed (EchoTip(®) ProCore™ HD). Very few studies have compared these two needles and none could avoid selection biases. AIMS The present study intends to compare the results obtained by these two(More)
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