Changqing Ma, MD, PhD
Assistant Professor of Pathology

Dr. Ma
Dr. Ma is a member of the Division of Anatomic Pathology with a subspecialty interest in gastrointestinal pathology.

Office Location:

Department of Pathology
Presbyterian University Hospital
200 Lothrop Street
Pittsburgh, PA 15213
Contact Information:
Office Telephone: 412-647-0282


  • MD - Beijing Medical University, 1998
  • PhD - University of Pittsburgh, 2005
  • Pathology residency - Washington University in St. Louis
  • Gastrointestinal and Liver Pathology fellowship - Johns Hopkins University

Clinical Expertise

Dr. Ma is a surgical pathologist with subspecialty training in gastrointestinal, liver and pancreatobiliary pathology. Her diagnostic expertise includes both neoplastic and non-neoplastic diseases of the gastrointestinal system, liver, biliary tract and pancreas.

Research Interests

Dr. Ma is interested in the clinical, translational, and molecular characterization of gastrointestinal and pancreatic diseases to improve diagnosis, accurate prognostication, and treatment of these diseases.


Gastrointestinal and Pancreatobiliary Pathology


  • Board Certified in Anatomic Pathology and Clinical Pathology

Selected Publications

View Dr. Ma's publications on PubMed

  • Ma C, Maluf H, and Liu TC. Acute gastrointestinal graft versus host disease is more common and severe in lower than upper tract. In press (Human Pathology)
  • Ma C, Park JY, Montgomery EA, Arnold CA, McDonald OG, Liu TC, Salaria SN, Limketkai BN, Mcgrath KM, Musahl T, and Singhi AD. A comparative clinicopathologic study of collagenous gastritis in children and adults: the same disorder with associated immune-mediated diseases. Am J Surg Pathol. 2015, 39(6):802-812. PMID: 25871617.
  • Ma C and Pai RK. Predictive value of immunohistochemistry in pre-malignant lesions of the gastrointestinal tract. Semin Diagn Pathol. 2015 Feb 4. pii: S0740-2570(15)00015-5. PMID: 25749205.
  • Henke LE, Pfeifer JD, Ma C, Perkins SM, DeWees T, El-Mofty S, Moley JF, Nussenbaum B, Haughey BH, Baranski TJ, Schwarz JK, and Grigsby PW. BRAF mutation is not predictive of long-term outcome in papillary thyroid carcinoma. Cancer Med. 2015, 4(6):791-799. PMID: 25712893.
  • Ma C, Giardiello FM, and Montgomery EA. Upper tract juvenile polyps in juvenile polyposis patients: dysplasia and malignancy are often associated with foveolar, intestinal and pyloric differentiation. Am J Surg Pathol. 2014, 38(12):1618-1626. PMID: 25390638.
  • Ma C, Limketkai BN, and Montgomery EA. Recently highlighted non-neoplastic pathologic entities of the upper gastrointestinal tract and their clinical significance. Gastrointest Endosc. 2014, 80 (6):960-969. PMID: 25434655.
  • Ma C, Montgomery EA, and Lam-Himlin D. Docetaxel therapy induced diffuse atypia and mitotic arrest mimicking dysplasia - a diagnostic pitfall. Diagnostic Histopathology 2014, 20, 46-47.
  • Ma C, and Gronoswski AM. Laboratory workup of well-differentiated pancreatic neuroendocrine tumors. Clinical Chem ASCP Case Reports series 2014; CC 14-3.
  • Henke LE, Perkins SM, Pfeifer JD, Ma C, Chen Y, DeWees T, and Grigsby PW. BRAF V600E mutational status in pediatric thyroid cancer. Pediatr Blood Cancer. 2014, 61(7):1168-1172. PMID: 24677749.
  • Ma C, Crippin JS, Chapman WC, Korenblat K, Vachharajani N, Gunter KL, and Brunt EM. Vascular alterations in explant hepatectomies from patients with hepatopulmonary syndrome or portopulmonary hypertension. Liver Transpl. 2013, 19(7):741-750. PMID: 23463612.
  • Ma C, Gronoswski AM, and Scott MG. Transferrin/log (ferritin) ratio: a self-fulfilling prophecy when iron deficiency is defined by serum ferritin concentration. Clin Chem Lab Med. 2013, 51(5):e85-86. PMID: 23152417.
  • Dehdashti F, Grigsby PW, Myerson RJ, Parikh PJ, Nalbantoglu I, Ma C, and Siegel BA. Positron emission tomography with [18F]-3'-deoxy-3'fluorothymidine (FLT) as a predictor of outcome in patients with locally advanced resectable rectal cancer: a pilot study. Mol Imaging Biol 2013, 15(1):106-113. PMID: 22684813.
  • Ma C, and Brunt EM. Histopathologic evaluation of liver biopsy for cirrhosis. Adv Anat Pathol 2012, 19(4):220-230. PMID: 22692285.
  • Ma C, and Lewis J. Small biopsy specimens reliably indicate p16 expression status of oropharyngeal squamous cell carcinoma. Head Neck Pathol 2012, 6(2):208-215. PMID: 22203477.
  • Porembka MR, Hawkins WG, Linehan DC, Gao F, Ma C, Brunt EM, and Strasberg SM. Radiologic and intraoperative detection of need for mesenteric vein resection in patients with adenocarcinoma of the head of the pancreas. HPB (Oxford) 2011, 13(9):633-642. PMID: 21843264.