A stiff steel needle for fine needle aspiration biopsy is the 'core' of this biopsy instrument. The needle is manipulated by a handle piston in the biopsy handle (Fig. 1). The handle piston can be ...

Objective: Conventional fine-needle aspiration biopsy (FNAB) for cystic thyroid nodules (CTNs) has a high rate of nondiagnostic and false-negative results. Ultrasound-guided FNAB (UG-FNAB ...

Fine-needle aspiration biopsy of the thyroid nodule is a procedure in which a small sample of cells is obtained from a thyroid nodule with the aid of a thin needle under ultrasound guidance.

Core-needle biopsies can also be ultrasound-guided, or a doctor may use an MRI or mammogram machine. This latter procedure is called a stereotactic breast biopsy. The ACS notes if the results of a ...

Chen Wang, Ph.D., a postdoctoral researcher at the University of Oklahoma, has been awarded a fellowship from the Prevent Cancer Foundation to develop an optical coherence tomography (OCT) probe for ...

In addition, an ultrasound probe placed through one of the ports ... Another method for treating renal cysts and/or performing a renal biopsy is placing a needle through the skin into the cyst and/or ...

A prostate biopsy is a procedure that involves extracting tissue samples from the prostate and examining them under a microscope to check for the presence of cancerous cells. The prostate is a ...

Ultrasound-guided fine-needle aspiration (FNA) has long been used as a safe and effective way to evaluate thyroid nodules in adults, usually without sedation. Less is known about the safety and ...

Chen Wang receives a fellowship for research on improving kidney cancer diagnostics using an OCT probe at the University of Oklahoma.