Endoscopic Ultrasound Needle

The needle tip's multi-section design is based on the mechanical strength of the golden section law.

The needle tip has a larger bearing capacity thanks to the large-angle front end design, which can withstand many punctures without deforming.

The handle scale's double twist-lock safety feature helps doctors correctly grip the length of the needle at the needle tip during clinical procedures and reduces the risk of medical mishaps such punctures by preventing unnecessary needle sticking out.

The functioning is smoother and more flexible thanks to the nickel-titanium substance used in the probe wire.

Effectively increasing the precision of ultrasound imaging and piercing is the point array echo design.

A quick lock needle adjuster makes sure that the entire biopsy procedure is carried out safely.

The lockable syringe is easy to operate, and the aspiration process is simple and precise

The potential clinical role of EUS-FNA is evolving with various medical advances in oncology and molecular genetics. These help us not only in staging of tumors but also in the treatment and prognostication of the same, taking us to newer frontiers.

The foremost indications of EUS-FNA are in taking biopsies from N1/M1 nodes in esophageal malignancy, mediastinal lymphnodes (suspected lung tumor N2/3) and masses, pancreatic tumor, pancreatic cyst assessment, perirectal and retroperitoneal nodes/masses, left adrenal, left lobe of the liver and subepithelial lesions, just to elaborate a few instances [1,2]. The main ones are discussed at length in this review.

EUS-FNA is not done in situations when it is unlikely to alter the management of a cancer. In addition to the usual contraindications for any endoscopic procedure including severe bleeding diathesis and thrombocytopenia, EUS-FNA is not advocated when good views of the lesion are not obtained or when there is a blood vessel or tumor on the way to the target and or high risk of tumor seeding [1,2,9]. The various pitfalls of EUS-FNA include underdiagnosis of pancreatic malignancy in a background of chronic pancreatitis or in cystic lesions, misinterpretation of bowel wall smooth muscle cells as gastrointestinal stromal tumor (GIST) and overinterpretation of metastasis in contamination by normal gastrointestinal epithelium.

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