Physicians & Faculty

Ola El-Zammar, MD

Ola El-Zammar, MD
Appointed 07/01/02
6805B Upstate University Hospital - Downtown Campus
750 East Adams Street
Syracuse, NY 13210

315 464-4750

Current Appointments

  • Associate Professor of Pathology
  • Director of Surgical Pathology

Hospital Campus

  • Downtown
  • Community

Clinical Section Affiliations

  • Pathology: Anatomic Pathology, Cytopathology, Surgical Pathology
  • Pathology - Community Campus
  • Upstate Cancer Center: Pathology

Research Programs and Affiliations

  • Cancer Research Program


Education & Fellowships

  • Fellowship: SUNY Upstate Medical University, 2006, Surgical/Pulmonary Pathology
  • Fellowship: SUNY Upstate Medical University, 2005, Cytopathology
  • Residency: SUNY Upstate Medical University, 2004, Pathology
  • Residency: SUNY Upstate Medical University, 2003
  • Residency: Boston University Medical Center, 2002
  • MD: American University of Beirut, Beirut, Lebanon, 1996
  • BS: American University of Beirut, Beirut, Lebanon, 1992

Clinical Interests

  • Surgical pathology, cytopathology, pulmonary pathology, and gastrointestinal pathology.

Research Interests

  • Thoracic oncology and inflammatory bowel disease.

Specialties & Certification

  • Anatomic Pathology
  • Clinical Pathology
  • Cytopathology
  • Pulmonary Pathology

Diseases & Conditions Treated

  • Lung Cancer
  • Lung Disease
  • Lung Disorders
  • Pulmonary Disorders


  • Adults and Children


  • Breast Fine Needle Aspiration
  • Fine Needle Aspiration of Thyroid Nodules


  • United States and Canadian Academy of Pathology
  • American Society for Clinical Pathology

Current Hospital Privileges

  • Upstate University Hospital


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Recent Selected References

Yantiss RK, Sapp HL, Farraye FA, El-Zammar O, O'Brien MJ, Fruin AB, Stucchi AF, Brien TP, Becker JM, Odze RD. Histologic Predictors of Pouchitis in Patients with Chronic Ulcerative Colitis. Am J Surg Pathol. 2004 Aug; 28(8): 999-1006.

Fruin AB, El-Zammar O, Stucchi AF, O'Brien M, Becker JM. Colonic metaplasia in the ileal pouch is associated with inflammation and is not the result of long-term adaptation. J Gastrointest Surg. 2003 Feb;7(2):246-53; discussion 253-4.

El-Zammar O, Haidar A. Immunoreactivity of ductal cells with putative myoepithelial markers: a potential pitfall in breast carcinoma. Ann Diagn Pathol. 2003 Oct;7(5):335.

Book Chapters

Myers JL, El-Zammar O. Pathology of drug-induced lung disease. In Katzenstein and Askinís surgical pathology of non-neoplastic lung disease. Philadelphia: Saunders, 2006; 85-125.

Review articles

El-Zammar OA, Katzenstein AL. Pathological diagnosis of granulomatous lung disease: a review. Histopathology. 2007 Feb;50(3):289-310. N. Y. Haboubi, O. El-Zammar, S. T. O'Dwyer and R. J. James. Radiation bowel disease: Pathogenesis and management. Colorectal Disease 2000, 2, 323-329:

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Adjunct Faculty

Emeritus Faculty

  • Frederick Davey, MD
  • Gerald Gordon, MD
  • Lawrence Gordon, MD
  • Anna-Luise Katzenstein, MD
  • Bedros Markarian, MD
  • Michael Mazur, MD
  • Albert Oler, MD
  • Robert Rohner, MD
  • Constance Stein, PhD
  • Gregory Threatte, MD