نتایج جستجو برای: image guided fna
تعداد نتایج: 460571 فیلتر نتایج به سال:
Pancreatic lymphangiomas are rare, but benign neoplasms. Historically, the diagnoses in various case reports were mostly made after surgical resection. There are emerging data concerning the utility of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) to differentiate it from more sinister pancreatic cystic neoplasms. A confident preoperative diagnosis with EUS-FNA is crucial to avo...
Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) biopsy sampling of enlarged lymph nodes is increasingly used to diagnose metastatic tumors, especially of the gastrointestinal tract and the lungs. Herein, we describe the diagnosis of metastatic renal cell carcinoma from a native kidney of a 54 year-old male patient, who had a 5-years history of renal transplant, by EUS-FNA of media...
Breast carcinoma with visceral metastasis to the lungs, liver, and bone is common. However, isolated splenic metastases from breast carcinoma are rare. This has been rarely described in the medical literature. This case report presents a 48-year-old woman with newly diagnosed breast cancer and an isolated splenic metastasis diagnosed by ultrasound-guided fine-needle aspiration (FNA). Radiologic...
BACKGROUND Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) was initially introduced for diagnosing gastrointestinal and pancreatic lesions, and later on for lung and mediastinal lesions. It can provide tissue diagnosis of lung cancer where bronchoscopy is non-diagnostic. It is a minimally invasive method for lymph node (N) and metastasis (M) staging of non-small cell lung cancer, ...
Pancreatic metastasis from colorectal cancer is rare, and there have been only a few reports of its preoperative diagnosis by endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) with immunohistochemical staining. We herein describe the case of a 77-year-old woman in whom a solitary mass in the pancreatic tail was detected 11 years after rectal cancer resection. The patient also had a ...
INTRODUCTION Solid pseudopapillary tumor of the pancreas (SPTP) is a neoplasm of uncertain origin and indolent biologic behavior with distinctive morphological features occurring predominantly in young women. This tumor has an excellent prognosis compared to neuroendocrine and acinar cell carcinoma, which are close differential diagnoses based on morphology, hence making it crucial to diagnose ...
Endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) has become a safe and accurate diagnostic tool for lesions arising from organs adjacent to the gastrointestinal tract, as well as those arising from the gastrointestinal wall. To improve diagnostic accuracy, devices such as needles with side ports have been developed, but studies evaluating the clinical usefulness of such enhanc...
BACKGROUND/AIMS We aimed to evaluate the feasibility and efficacy of a forward-viewing linear endoscopic ultrasound (FV-EUS) in diagnostic EUS procedures compared to standard oblique-viewing EUS (OV-EUS). METHODS This study was a prospective, randomized study that permitted cross-over. Fifty-one patients with subepithelial pancreatobiliary and upper gastrointestinal lesions underwent FV-EUS a...
BACKGROUND Endosonography (EUS) guided FNA is a relatively new imaging modality which is increasingly used for sampling deep-seated lymph nodes in the diagnosis and staging of various malignancies, both primary as well as metastatic. It is also useful for staging of non-Hodgkin's lymphoma as well as diagnosing recurrence. The diagnosis of leukemia on FNA samples from deep-seated lymphadenopathy...
BACKGROUND According to current guidelines, transesophageal ultrasound-guided fine needle aspiration (EUS-FNA) can be performed as an alternative for surgical staging to confirm mediastinal metastases in patients with non-small cell lung cancer (NSCLC). To date however, data regarding the routine use of EUS-FNA in the preoperative staging of unselected patients with NSCLC are limited. AIMS AN...
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