GunnlaugurPeturNielsenMD

Anatomic Pathology, Clinical Pathology

Professor of Pathology, Harvard Medical School, Massachusetts General Hospital

Dr. Nielsen is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

Office
55 Fruit St Wrn 2
Pathology Associates
Boston, MA 02114
Phone+1 617-724-1469

Fax+1 617-726-9312

Dr. Gunnlaugur Nielsen is a pathologist in Boston, MA. He received his medical degree from University of Iceland and has been in practice 29 years. He specializes in anatomic pathology and clinical pathology and is experienced in oncologic pathology. He has more than 100 publications and over 500 citings.

Massachusetts General HospitalResidency, Pathology-Anatomic and Clinical, 1991 - 1994
University of IcelandClass of 1988

PubMed

20 citations
Ductulo-insular pancreatic endocrine neoplasms: clinicopathologic analysis of a unique subtype of pancreatic endocrine neoplasms.
Vikram Deshpande, Martin K. Selig, Gunnlaugur P. Nielsen, Carlos Fernandez-del Castillo, Gregory Y. Lauwers
The American Journal of Surgical Pathology. 2003-04-01
7 citations
Soft-tissue Sarcoma of the Hand: Patient Characteristics, Treatment, and Oncologic Outcomes.
Jonathan Lans, Kai-Lou C Yue, René M. Castelein, David Suster, G. Petur Nielsen
The Journal of the American Academy of Orthopaedic Surgeons. 2021-03-15
61 citations
Dedifferentiation in Gastrointestinal Stromal Tumor to an Anaplastic KIT Negative Phenotype – a Diagnostic Pitfall. Morphologic and Molecular Characterization of 8 Cas...
Cristina R. Antonescu, Salvatore Romeo, Lei Zhang, Khedoudja Nafa, Jason L. Hornick
The American Journal of Surgical Pathology. 2013-03-01

Journal Articles

Author Correction: High-Fat Diet Enhances Stemness and Tumorigenicity of Intestinal Progenitors
Cristina R Ferrone, G Petur Nielsen, Vikram Deshpande, Jatin Roper, Shweta Shinagare, Nature