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Dermatopathology

The Yale Dermatopathology Division is dedicated to delivering exceptional patient care, conducting cutting-edge research, and providing advanced educational opportunities in the dynamic field of dermatopathology. With a team of highly skilled and experienced faculty, we are committed to serving as a vital resource for clinicians, researchers, and trainees worldwide. We pride ourselves on offering state-of-the-art diagnostic services for a wide range of skin disorders, including inflammatory, infectious, and neoplastic diseases. Our expert dermatopathologists work closely with clinicians to provide accurate, timely, and comprehensive evaluations, ensuring the best possible patient outcomes. In addition to clinical services, our division is actively engaged in innovative research, exploring new frontiers in dermatopathology and contributing to advancements in the understanding and treatment of various skin diseases. We collaborate with other divisions and departments within Yale University and beyond, fostering a multidisciplinary approach to research and clinical care. We also serve as a center for excellence in education and training. Our faculty are dedicated to nurturing the next generation of dermatopathologists through our ACGME-accredited Dermatopathology Fellowship, which offers a comprehensive and rigorous training experience to prepare fellows for successful careers in academic or private practice settings.

Services

  • Specialized in histopathologic examination of skin, mucosa, hair, nails, and superficial soft tissue
  • Daily review of challenging cases by a team of nationally recognized experts
  • Special stains (group 1 and 2)
  • Immunohistochemistry assays with more than 100 antibodies
  • Direct and indirect immunofluorescence
  • In-situ hybridization assays
  • Direct interface with any EMR
  • Exceptional customer service
  • Superior result delivery with 90% of cases reported within 24 hours of receipt

How to send a sample to the lab for RNA in situ hybridization (RISH) testing

Wet tissue samples can be sent directly to the lab (15 York Street, LCI 504/505 New Haven CT, 06510) using commercial courier services (FedEx is preferred) or by calling our main office line at 203-785-4094 for a pickup by our courier (Lab Logistics). Specimen pickup can also be arranged, as routine pickups depending on desired frequency.

Consultation cases can be sent directly to our Dermatopathology Office (15 York Street, LMP 5031 New Haven CT, 06510) via FedEx or the originating facility’s courier service provider.

Faculty

  • Director

    Professor of Dermatology and Pathology; Director, Yale Dermatopathology Laboratory; Section Chief, Dermatopathology

    Research Interests
    • Dermatology
    • Graft vs Host Disease
    • Inflammation
    • Mycosis Fungoides
    • Pathology
    • Skin Neoplasms
    • Lymphoma, T-Cell, Cutaneous
    Dr. McNiff is the Medical Director of Yale Dermatopathology and is an internationally recognized expert in the pathology of cutaneous disease. Her interests and publications are focused on general clinicopathologic correlations in dermatopathology, mycosis fungoides, animal models of lupus erythematosus and graft vs. host disease, and immunofluorescence techniques in dermatopathology. Dr. McNiff serves on the editorial board of numerous specialty publications. She is a frequent invited speaker at national and international meetings and is the past President of the American Society of Dermatopathology.
  • Anthony N. Brady Professor of Dermatology, Pathology and Immunobiology; Director, Yale SPORE in Skin Cancer; Director, Yale Center for Immuno-Oncology; Co-Leader, Cancer Immunology, Yale Cancer Center

    Research Interests
    • Cell Biology
    • Dermatology
    • Melanoma
    • Neoplasm Metastasis
    • Pathology
    Marcus Bosenberg MD, PhD, is a physician scientist who directs a leading melanoma research laboratory, is Co-Leader of the Cancer Immunology Program of Yale Cancer Center, Director of the Yale Center for Immuno-Oncology, Contact PI of the Yale SPORE in Skin Cancer,  Director of the Center for Precision Cancer Modeling, and is a practicing dermatopathologist at Yale Dermatopathology through Yale Medicine.In his research, Dr. Bosenberg studies factors that regulate anti-cancer immune responses. His laboratory has developed several widely utilized mouse models in order to study how melanoma forms and progresses, to test new cancer therapies, and how the immune system can be stimulated to fight cancer. He works to translate basic scientific findings into improvements in cancer diagnosis and therapy. He has published over 200 peer-reviewed articles and is a member of the Yale Cancer Center Executive Committee.Dr. Bosenberg mentors undergraduate, graduate, medical, and MD-PhD students in his laboratory, teaches at Yale School of Medicine, and trains resident physicians, fellows, and postdoctoral fellows.
  • Professor of Dermatology

    Research Interests
    • Alopecia
    • Dermatology
    • Fibrosis
    • Medical Informatics
    • Pathology
    • Scleroderma, Systemic
    • Skin Neoplasms
    • Nephrogenic Fibrosing Dermopathy
  • Associate Professor of Dermatology and Dermatopathology

    Research Interests
    • Dermatitis, Atopic
    • Eczema
    • Lichen Planus
    • Necrobiosis Lipoidica
    • Psoriasis
    • Sarcoidosis
    • Granuloma Annulare
    • Hidradenitis Suppurativa
    William Damsky, M.D., Ph.D. is a physician-scientist who uses basic and translational approaches to understand mechanisms of skin disease. In clinical practice, he specializes in medical dermatology and dermatopathology with a specific focus in cutaneous granulomatous disorders (sarcoidosis and granuloma annulare). Dr. Damsky is an attending physician at Yale New Haven Hospital, Yale Health Center, the VA Veteran's Hospital, and Cornell Scott Hill Health Center. Dr. Damsky provides care for both adult and pediatric patients. Dr. Damsky provides care for patients with all dermatologic conditions and he has special interest in: sarcoidosisgranuloma annularepsoriasisatopic dermatitis (eczema)acne and hidradenitis suppurativaother cutaneous granulomatous disorders such as necrobiosis lipodicaother inflammatory skin disorders such as lichen planusskin cancer Dr. Damsky uses a wide variety of treatment modalities including retinoids including isotretinoin, phototherapy, systemic immunomodulatory agents, "biologic" agents to treat psoriasis, atopic dermatitis, and other disorders, and Janus kinase (JAK) inhibitors. In his research, Dr. Damsky is using various pre-clinical and translational approaches to study inflammatory skin diseases as well as melanoma. Dr. Damsky is leading a clinical trial in sarcoidosis and granuloma annulare. Dr. Damsky has published over 50 peer-reviewed articles. His research is supported by the Dermatology Foundation, the Skin Cancer Foundation, and Pfizer. He was received the Young Investigator Award from the American Academy of Dermatology in 2020 for his research in sarcoidosis. Dr. Damsky completed his undergraduate, M.D., and Ph.D. degrees the University of Vermont. He completed an internship in Internal Medicine and residency in Dermatology at Yale. Dr. Damsky also completed an N.I.H. funded Research Fellowship in Investigative Dermatology and served as Chief Resident during this time.
  • Associate Professor of Dermatology and Pathology; Director, Dermatopathology Fellowship, Dermatology

    Research Interests
    • Dermatology
    • Melanoma
    • Pathology
    Anjela Galan, MD is Associate Professor of Dermatology and Pathology, and Director of Dermatopathology Fellowship and Training Program at Yale University School of Medicine. After receiving her Medical Degree from Nicolae Testemitanu State University of Medicine and Pharmacy (Moldova), Dr. Galan completed a Pathology residency at Baystate Medical Center/Tufts University School of Medicine, followed by Oncologic Surgical Pathology, and by Dermatopathology Fellowships at Yale University School of Medicine. Dr. Galan specializes in Dermatopathology in the departments of Dermatology and Surgical Pathology at Yale University School of Medicine and Yale New Haven Hospital, and at the Veterans Affairs Hospital in West Haven, Connecticut. In her work, she diagnoses skin disorders, using well-established and advanced techniques. As an integral member of Yale Cancer Center Melanoma Program, Dr. Galan works closely with a specialized team that includes oncologic dermatologists, medical oncologists, oncologic surgeons, radiation oncologists, and basic science researchers, caring for patients with melanoma and a variety of other non-melanoma skin cancers. She is a panel member of the National Comprehensive Cancer Network for melanoma. Dr. Galan has participated in many national and international conferences, including giving presentations and organizing sessions. She is a member of several professional societies, including the International Society of Dermatopathology, for which she recently served as its President. Dr. Galan has many scientific publications and serves on the Editorial Board of the American Journal of Dermatopathology. Dr. Galan's research interests include melanocytic and non-melanocytic neoplasms, infectious and granulomatous disorders. She enjoys practicing highly specialized dermatopathology, advancing her field and staying current with other advancements, teaching residents, fellows, and medical students, and helping patients. Her guiding principle is simple: “Always do your best and treat every patient the way you would like to be treated.”
  • Assistant Professor in Dermatology

    Research Interests
    • Autoimmune Diseases
    • Connective Tissue Diseases
    • Dermatology
    • Dermatomyositis
    • Lupus Erythematosus, Cutaneous
    • Lupus Erythematosus, Discoid
    • Pathology
    • Raynaud Disease
    • Vasculitis
    • Panniculitis, Lupus Erythematosus
    • Skin and Connective Tissue Diseases
    • Informatics
    Dr. Jeff Gehlhausen, MD, PhD, is a dermatologist at Yale Medicine in New Haven, Connecticut. He specializes in caring for patients with complex autoimmune skin conditions such as cutaneous lupus, dermatomyositis, and vasculitis. Dedicated to helping those with challenging skin diseases that affect overall health, he combines his deep understanding of the immune system with the latest treatments to improve patient well-being. Dr. Gehlhausen earned his medical degree and PhD from Indiana University. He completed an internal medicine internship at Vanderbilt University and a dermatology residency at Yale, where he served as chief resident. He further specialized in autoimmune skin disorders during advanced training at Brigham and Women's Hospital. As both a physician and researcher, Dr. Gehlhausen works to understand the signals underlying autoimmune diseases to better diagnose, treat, and manage patients. His work includes basic and translational research using patient-derived samples to study the diseases he sees in the clinic. He has published basic, translational, and clinical manuscripts on autoimmune diseases and has written multiple textbook chapters as well. In addition to his clinical work, he teaches and mentors residents and medical students at Yale. Dr. Gehlhausen is committed to providing compassionate, comprehensive care, using the latest scientific insights to help his patients manage their conditions and improve their quality of life.
  • Professor of Dermatology and Pathology

    Research Interests
    • Carcinoma, Squamous Cell
    • Dermatology
    • Epidermis
    • Keratoacanthoma
    • Pathology
    • Skin Neoplasms
    • Neoplasms, Adnexal and Skin Appendage
    • Vascular Neoplasms
    Dr. Christine Ko is Professor of Dermatology and Pathology. She is board certified in dermatology with a specialty certificate in dermatopathology. Most of her time is spent in the Division of Dermatopathology, where she renders diagnoses for skin biopsies, sent in to Yale from Yale Dermatology Associates and other dermatology practices in Connecticut.  Dr. Ko currently specializes in Transplant Dermatology, providing care for patients with organ transplants who are generally on immunosuppressive medications and are at higher risk for skin cancer.  Dr. Ko received her AB at Princeton University and MD from New York University School of Medicine. She completed internship at UCLA, and her dermatology residency at University of California, Irvine.  Her research focuses on skin cancer, particularly squamous cell carcinoma and keratoacanthoma, in collaboration with researchers in the Department of Genetics and the Division of Dermatologic Surgery.
  • Assistant Professor

    Research Interests
    • Melanoma
    Dr. Micevic completed his MD and PhD degrees at Yale School of Medicine. His doctorate focused on epigenetic changes in melanoma formation and progression with Dr. Marcus Bosenberg. He completed dermatology residency at Yale New Haven Hospital and dermatopathology fellowship. For his post-doctoral work, he joined the lab of Dr. Richard Flavell at the Yale Department of Immunobiology, where he investigated the immune cell populations required for long-term response/anti-tumor memory in the setting of checkpoint inihibitor therapy in melanoma. In 2024, he joined the Yale School of Medicine as an Assistant Professor of Dermatology and the Yale Cancer Center to build a research group focusing on skin immunobiology of melanoma and inflammatory skin diseases and to better understand how individual immune cells orchestrate skin inflammation in benign and malignant conditions. His current work focuses on the immuno-epigenetics in cutaneous melanoma, and developing better treatment modalities for patients with melanoma. As a physician scientist with a strong interest in skin immunology, he sees patients suffering from cutaneous malignancies, and also has a general interest in chronic inflammatory skin diseases such as atopic dermatitis, alopecia areata and psoriasis.
  • Vice Chair of Research. Associate Professor of Dermatology and of Pathology.

    Research Interests
    • Dermatology
    • Epidermis
    • Homeostasis
    • Pathology
    • Regeneration
    • Stem Cells
    • Wound Healing
    • Carcinogenesis
    Peggy Myung is interested in hair follicle development and regeneration. Currently, she studies hair follicle development in mice and has a focus on how the dermal niche regulates hair follicle cell fate decisions. In particular, her work is centered on understanding the epithelial-mesenchymal interactions that regulate epithelial growth and differentiation in an effort to re-purpose these same molecular mechanisms to suppress aberrant growth in carcinogenesis.
  • Associate Professor of Dermatology and Pathology

    Dr. Panse is recognized for expertise in soft tissue pathology as well as dermatopathology. She completed a fellowship in soft tissue pathology fellowship at MD Anderson Cancer Center followed by a fellowship in dermatopathology at Yale, and brings valuable expertise to the Dermatopathology Division at Yale. She is a frequent lecturer at national meetings of dermatology, pathology and dermatopathology societies and has published extensively in these areas of expertise. She also serves on various committees at the national societies of dermatopathology and pathology.

Staff