Tetyana Mettler, MD

Assistant Professor, Department of Laboratory Medicine and Pathology

Tetyana Mettler

Contact Info


Office Phone 612-273-4934

Mailing Address:
MMC 76 Mayo
8076A (Campus Delivery Code)
420 Delaware St. SE
Minneapolis, MN 55455

MD, Crimean State Medical University, Simferopol, Ukraine, 2001

University of Minnesota, 2013

University of Minnesota (Surgical Pathology), 2014

University of Minnesota (Cytopathology Pathology), 2012


Dr. Mettler is an anatomic and clinical pathologist with special research interest in cytopathology of the gastrointestinal tract, specifically mesenchymal gastrointestinal tumors. When she was a resident and fellow in the department she and her colleagues performed studies of unusual cytopathology cases. For example, fine needle aspiration and staining of tissue from patients with certain carcinomas revealed the presence of “raspberry bodies”, “intermediate filament buttons” and other morphologic features that can assist with making a precise diagnosis. Currently, Dr. Mettler and her colleagues are using cytologic and immunohistochemical tools to investigate mesenchymal gastrointestinal tumors, fairly rare tumors associated with different diagnoses and prognoses.

Professional Associations

  • United States and Canadian Academy of Pathology (USCAP) 2011-Present
  • College of American Pathologists (CAP) 2008-Present



  • Mettler TN, Manivel JC, Pambuccian SE “Raspberry bodies” extracellular hyaline globules and branching hyaline stromal fragments in a fine-needle aspirate of metastatic clear cell carcinoma of the ovary. Diagn Cytopathol. 2014 Mar; 42 (3): 230-5
  • Wilkins SM, Mettler TN, Carlos Manivel J, Pambuccian SE “Intermediate filament buttons” in a fine-needle aspirate of Merkel cell carcinoma. Diagn Cytopathol. 2013 Nov; 41 (11): 976-6
  • Mettler TN, Lillemoe T, Movahedi-Lankarani S Performance Improvement Program in Surgical Pathology (PIP) Critique. Clear cell carcinoma. 2013
  • Mettler TN, Andrade RS, Pambuccian SE Spindle cell typical carcinoid tumor (well-differentiated neuroendocrine carcinoma) diagnosed by electromagnetic navigation bronchoscopy with cytologic rapid on-site evaluation. Diagn Cytopathol. 2012 Oct; 40 (10): 898-902
  • Mettler TN, Cioc AM, Singleton TP, McKenna RW, Pambuccian SE Pleural primary effusion lymphoma in an elderly patient. Diagn Cytopathol. 2012 Oct; 40 (10):903-5
  • Mettler TN, Holman CJ, McKenna RW, Pambuccian SE Plasmablastic myeloma in ascitic fluid Diagn Cytopahol. 2012 Sep; 40(9): 806-9


Board Certifications

Anatomic Pathology, Clinical Pathology, Cytopathology