Dermatopathology Experts

Thomas D. Horn, MD

Director, Dermatopathology Practice

Dr. Thomas D. Horn joined Caris Life Sciences™ in June of 2007. Dr. Horn is board-certified in both dermatology and dermatopathology.

Dr. Horn received his undergraduate degree from Davidson College, a nationally recognized and highly selective liberal arts college near Charlotte, NC. He received his MD from the University of Virginia School of Medicine and holds an MBA from Johns Hopkins. His post-graduate medical training includes 2 years of pediatrics training at University of Virginia School of Medicine, a dermatology residency at University of Maryland and a dermatopathology residency at Johns Hopkins. Dr. Horn remained on the faculty at Johns Hopkins for 8 years, becoming Associate Professor of Dermatology, Pathology and Oncology, as well as the director of the Division of Dermatopathology.

Dr. Horn was a recent chairman of the Department of Dermatology at the University of Arkansas for Medical Sciences, as well as a professor of Dermatology and Pathology. He also served as the chief of dermatology for the Central Arkansas Veterans Healthcare Systems. In addition to these academic and institutional appointments, Dr. Horn is the associate executive director of the American Board of Dermatology, a past member of the Residency Review Committee for Dermatology, past chairman of the Residency Review Committee for Dermatopathology and a prior president of the American Society of Dermatopathology.

Dr. Horn’s research into the immunotherapy of warts led to a patent and the establishment of Type IV Technologies, a company in the business of developing novel treatments for the common wart. His research interests include graft versus host disease, HIV-related skin disease and dermatopathology.

  • Professor of Dermatology and Pathology, Tufts University
  • Former Director, Division of Dermatopathology and Associate Professor of Dermatology and Pathology, Johns Hopkins Medical Institutions
  • Former Professor of Dermatology and Pathology and Chairman, Department of Dermatology, University of Arkansas Medical Sciences
  • Expertise: melanomas, pigmented lesions, and HIV-related skin diseases
Lisa M. Cohen, MD

Director, Clinician Relations
Clinical Associate Professor of Dermatology, Tufts University
Dermatopathology Fellowship, University of Colorado
Dermatology Residency, University of Louisville
Expertise: lentigo maligna, alopecia, panniculitis, and dermatoses of pregnancy

Evan R. Farmer, MD

Director of Education, Dermatopathology
Former Clinical Professor of Pathology and Dermatology, Virginia Commonwealth University School of Medicine
Former Professor of Dermatology and Pathology, Eastern Virginia Medical School
Former Professor of Dermatology and Pathology, Indiana University School of Medicine
Former Professor of Dermatology, Johns Hopkins Univ. School of Medicine
Dermatopathology Fellowship, Armed Forces Institute of Pathology
Dermatology Residency, Johns Hopkins Medical Institutions
Expertise: melanocytic tumors, inflammatory skin diseases, and tropical dermatology

Julie D.R. Reimann, MD, PhD

Director, Dermatologic Molecular Pathology
Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Harvard Medical School
Anatomic Pathology Residency, Brigham and Women's Hospital
Expertise: melanoma and pigmented lesions, soft tissue tumors, epithelial neoplasms, and alopecia

Jill I. Allbritton, MD

Former Assistant Professor, Department of Dermatology, Johns Hopkins Medical Institutions
Dermatopathology Fellowship, Johns Hopkins Medical Institutions
Dermatology Residency, Johns Hopkins Medical Institutions
Expertise: vulvar dermatoses and immunobullous diseases

Diane M. Hoss, MD

Clinical Assistant Professor of Dermatology, Tufts University
Former Associate Professor, Department of Dermatology, University of Connecticut Health Center
Dermatopathology Fellowship, Cornell University Medical Center
Dermatology Residency, Dartmouth-Hitchcock Medical Center
Expertise: alopecia and scalp disorders, cutaneous lymphocytic infiltrates, and clinical-pathological correlation of difficult inflammatory dermatoses

Armineh B. Kajoian, MD

Dermatopathology Fellowship, Ackerman Academy of Dermatopathology
Surgical Pathology Fellowship, University of Texas M.D. Anderson Cancer Center
Anatomic and Clinical Pathology Residency, University of Texas Health Science Center, Houston
Expertise: pigmented lesions, melanomas, and inflammatory dermatoses

Lawrence E. Klein, MD

Clinical Assistant Professor of Dermatology, Tufts University
Former Assistant Professor, Dermatology, State University of New York, Buffalo
Former Research Associate Professor, University of South Carolina
Dermatopathology Fellowship, Moses H. Cone Memorial Hospital and University of North Carolina
Dermatology Residency, Yale University
Expertise: clinicopathologic correlation of inflammatory skin diseases, and pigmentary diseases

Mary E. Landau-Levine, MD

Dermatopathology Fellowship, Washington University, St. Louis, Missouri
Anatomic and Clinical Pathology Residency, Washington University, St. Louis, Missouri
Expertise: melanocytic lesions, tumors of cutaneous appendages, metastatic lesions, and medical illustration

Lisa H. Lerner, MD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Massachusetts General Hospital
Dermatology Residency, Harvard Medical School
Expertise: atypical nevi and melanoma, vasculitis, inflammatory/infectious diseases of the skin, and immunofluorescence

Mandana Mahmoodi, MD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Drexel (MCP-Hahnemann) University
Anatomic and Clinical Pathology Residency, Drexel (MCP-Hahnemann) University
Expertise: skin lymphomas and melanocytic lesions

J. Margaret Moresi, MD

Former Assistant Professor of Dermatology and Pathology, Johns Hopkins Medical Institutions
Dermatopathology Fellowship, Johns Hopkins Medical Institutions
Dermatology Residency, Johns Hopkins Medical Institutions Pathology Residency, Louisiana State University
Expertise: cutaneous lymphomas, melanocytic lesions, and inflammatory dermatoses

Matthew R. Muenster, MD

Anatomic and Clinical Pathology Residency, University of Texas Southwestern Medical School
Dermatopathology Fellowship, Ackerman Academy of Dermatopathology
Expertise:  pigmented lesions, epithelial neoplasia, and pathology informatics

Seth I. Rosenthal, MD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology and Surgical Pathology Fellowships, The University of Texas M.D. Anderson Cancer Center
Pathology Residency, Albany Medical College
Expertise: melanocytic neoplasms and soft tissue tumors of the skin

Beatriz Tapia-Centola, MD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Washington University, St. Louis
Anatomic Pathology Residency, Yale University
Expertise: immunobullous disorders, connective tissue disorders, and epidermal and mesenchymal tumors

Elsa F. Velazquez, MD

Former Assistant Professor of Pathology, Harvard Medical School
Dermatopathology Fellowship, New York University Medical Center
Anatomic Pathology Residency, New York University Medical Center
Expertise: skin neoplasia, squamous cell carcinoma, and malignant melanoma

Hong Wu, MD, PhD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Cornell University Medical Center
Anatomic and Clinical Pathology Residency, Cornell University Medical Center and New York University Medical Center
Expertise: cutaneous lymphomas and vesiculobullous diseases

Yanlong (Michael) Zhang, MD

Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, University of Pittsburgh Medical Center
Anatomic and Clinical Pathology Residency, University of Wisconsin Hospital and Clinics
Expertise: pigmented lesions, soft tissue tumors, and pathology informatics