Matthew T. Then, MD

Clinical Assistant Professor of Pathology, Division of Community Pathology

Dr. Then is a member of the Division of Community Pathology and serves as Medical Director of Laboratories and Chairman of the Department of Pathology at UPMC East.

Clinical Expertise

Dr. Then's interests include the diagnosis of benign, pre-malignant, and malignant neoplasia of the gastrointestinal, genitourinary, breast, gynecologic, and thoracic organs. He is also interested hematology and coagulation aspects of the clinical laboratory.


Board certified (American Board of Pathology) in Anatomical and Clinical Pathology


  • Anatomic and Clinical Pathology (AP/CP residency, The Penn State University Milton S. Hershey Medical Center, Hershey, PA, 2007-2011)
  • Oncologic surgical pathology (oncologic surgical pathology fellowship, The Fox Chase Cancer Center, Philadelphia, PA, 2011-2012)
Education & Training
BS - University of Pittsburgh, 2002
MD - Penn State University College of Medicine, 2007
Representative Publications

View Dr. Then's publications on PubMed

  • Tappouni R, El-Kady R, Raman J, Then M, Sarwani N. Renal Neuroectodermal Tumor Presenting with Hematuria. Radiology Case 2010 Jul; 4(7):12-20.
  • Then M, Mark Boustred A, Clarke LE. Keratoacanthomatous Hyperplasia in Response to a Tattoo. Dermatol Surg 2009;35:685–686.