Pathologist, Massachusetts General Hospital, Professor of Pathology, Harvard Medical School, Subspecialty Head, Bone and Soft Tissue Pathology
Dr. Nielsen has written extensively on neoplastic and non-neoplastic diseases and of bone and soft tissue. He is the co-author of several book chapters, has participated in writing a number of sections over the last few years for the World Health Organization (WHO) Classification of Tumours of Soft Tissue and Bone, and co-authored Diagnostic Pathology: Bone. Dr. Nielsen is a regular speaker at national and international pathology and orthopedic courses.
55 Fruit Street
Boston, MA 02114-2696