Nidhi Aggarwal, MD
Assistant Professor of Pathology

Dr. Aggarwal is a member of the Division of Hematopathology and Director of the Molecular Hemato-Oncology Service.

Office Location:
Hill Building 3rd Floor, Rm #360
3477 Euler Way
Pittsburgh, PA 15213
Contact Information:
Office Telephone: 412-647-5191
Fax: 412-647-6332


  • MBBS - Lady Hardinge Medical College, India, 2001
  • Residency - All India Institute of Medical Sciences, India, 2005
  • Residency - University of Pittsburgh Medical Center, 2011
  • Fellowship - University of Pittsburgh Medical Center, Hematopathology, 2012
  • Fellowship - University of Pittsburgh Medical Center, Molecular Pathology, 2014

Clinical Expertise

Diagnostic Hematopathology, flow cytometry, molecular diagnostics

Research Interests

Dr. Aggarwal's interest is focused on understanding the molecular mechanisms of hematolymphoid malignancies.


  • American Board of Pathology: Anatomic and Clinical Pathology, 2011; Hematopathology, 2012


Hematopathology and Molecular Pathology

Selected Publications

View Dr. Aggarwal's publications on PubMed

  • Aggarwal, Nidhi; Parwani, Anil V.; Ho, Jonhan; Cook, James R.; Swerdlow, Steven H. Plasma Cell (Zoon) Balanitis: Another Inflammatory Disorder That Can be Rich in IgG4+ Plasma Cells. American Journal of Surgical Pathology. Epub ahead of print.
  • Aggarwal N, Fischer J, Swerdlow SH, Craig FE. Splenic lymphoid subsets with less well-recognized phenotypes mimic aberrant antigen expression. Am J Clin Pathol. 2013 Dec;140(6):787-94
  • Aggarwal N, Aggarwal R. Macrophage activation syndrome. Int J Surg Pathol. 2013 Dec;21(6):614.
  • Yang ZJ, Sandhu GS, Aggarwal N, Fasanella KE, Agha M. IgM monoclonal gammopathy in gastric MALToma. J Gastrointest Cancer. 2014 Mar;45(1):91-5.
  • Aggarwal N, Bhargava R, Elishaev E. Uterine adenosarcomas: diagnostic use of the proliferation marker Ki-67 as an adjunct to morphologic diagnosis. Int J Gynecol Pathol. 2012 Sep;31(5):447-52
  • Aggarwal N, Swerdlow SH, Kelly LM, Ogilvie JB, Nikiforova MN, Sathanoori M, Nikiforov YE. Thyroid carcinoma-associated genetic mutations also occur in thyroid lymphomas. Mod Pathol. 2012 Sep;25(9):1203-11
  • Aggarwal N, Amin RM, Chung D, Parwani AV. Tumor-to-tumor metastasis: case report of a pulmonary adenocarcinoma metastatic to a clear cell renal cell carcinoma. Pathol Res Pract. 2012 Jan 15;208(1):50-2.
  • Aggarwal N, Snyder P, Owens SR. Unusual Helicobacter pylori in gastric resection specimens: an old friend with a new look. Int J Surg Pathol. 2011 Jun;19(3):297-302.