Best way to remove a subungual tumor

"Subungual tumors are relatively rare; yet dermatologists are often called upon to examine, diagnose, and treat these patients. Many dermatologists do not feel comfortable performing surgical procedures of the nail unit. With knowledge of the nail unit anatomy and execution of few simple techniques, dermatologist can safely and effectively remove subungual tumors in the office setting. This article reviews the basic steps for removal of a subungual tumor. It discusses preoperative evaluation, highlights techniques to avoid complete nail plate avulsion, and touches on potential complications and postoperative care."