Why are so many skin biopsies required?

EXPERT PRESENTERS:

Stuart Lessin, MD, Medical Director, KGL Skin Study Center, Broomall, PA

Pierluigi Porcu, MD, Director, Hematologic Malignancies and Hematopoietic Stem Cell Transplantation Division, Sidney Kimmel Cancer Center, Thomas Jefferson University Hospital (At time of publication: Associate Professor of Internal Medicine, Division of Hematology-Oncology, Ohio State University Comprehensive Cancer Center)  

Larisa Geskin, MD, Director, Cutaneous Oncology, Columbia University Medical Center (At time of publication: Associate Professor of Dermatology, University of Pittsburgh)