Sudden onset of pain or tenderness suggests hemorrhage into a benign adenoma or cyst, or subacute granulomatous thyroiditis, respectively. (However, hemorrhage into a cancer can also present with ...

Needles 1,000 times thinner than a human hair could replace painful cancer biopsies, suggests new research. Patches containing tens of millions of "nanoneedles" will supersede traditional methods ...

For practical reasons, a needle thinner than 22 gauge (gg) is not suitable for diagnostic lumbar punctures. Article Lumbar puncture, also known as spinal puncture, involves passing a needle through ...