Department of Pathology and Laboratory Medicine - Anatomic Pathology

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Clifford Harding, MD, PhD, Department Chair - 216-368-3611
Joseph Willis, MD, Department Vice Chair/Division Chief, Clinical Pathology - 216-844-8292
Gregory MacLennan, MD, Division Chief, Anatomic Pathology - 216-844-7452

Christine Schmotzer, MD, Associate Division Chief, Clinical Pathology - 216-844-0399
Hannah Gilmore, MD, Director of Surgical Pathology - 216-286-6587
Don Landek, Pathology Administrative Director - 216-844-5678

Please call 216-844-LABS (5227).

Organ-Specific Subspecialty Diagnostic Sign-Out

Co-Leaders: Gregory MacLennan, MD, and Hannah Gilmore, MD

  • Service consists of 12 subspecialized surgical pathology diagnostic sections, including gastrointestinal, breast, thoracic, ENT, genitourinary, gynecological, liver, cardiovascular, bone/soft tissue, neuropathology, pediatric and ocular
  • Expert teams of diagnostic pathologists
  • Integration of specialized immunohistochemistry and molecular tests

Specialized Service in Neurodegenerative Diseases

Leader: Mark Cohen, MD

  • Expertise in Alzheimer’s disease and Prion disease
  • Expert morphological diagnoses
  • Unique Creutzfeldt-Jakob disease program based on CSF analyses
  • Genetic susceptibility testing


Leader: Robin Elliot, MD

  • Extensive test menu, including chromogenic in situ hybridization
  • Available as stand-alone test requests or with consultations
  • First-generation immunotherapy assessment antibodies available
  • FDA-approved ALK antibody for lung cancer chemotherapy assessment
  • Lynch syndrome risk screening (in conjunction with BRAF and methylation of MLH1 molecular testing)
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