Fine-Needle Biopsy of Superficial and Deep Masses

Needle biopsy is a simple, reliable, inexpensive, well-tolerated, and minimally invasive procedure for the diagnosis of tumors, both in superficial and in deep sites. Today, following the shift to a more conservative approach to tumor treatment, and in this era of "tailored" or "targeted" oncological therapies, the use of needle biopsy in the diagnosis of neoplasia, at all phases of the disease, is expected to increase dramatically. The efficacy of this technique is, however, strongly influenced