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Klaus F. Helm, M.D.

Professor of Dermatology and Pathology

Office Information

Penn State Hershey Dermatology
100 Campus Drive, Entrance 3, Suite 100
Hershey, PA 17033
Tel: 800-243-1455 / 717-531-6820 Fax: 717-531-4702


Clin & Lab Derm Immunology Dermatology Dermatopathology

Patient Services Provided

Clinical/Lab Immunodermatology Blistering diseases Clinical Pathology

Practice Locations

Professional Education

Fellowship, Dermatopathology, Mayo Clinic - Rochester, MN (1990) Residency, Dermatology, University of Rochester Affiliated Hospitals (1989) Internship, Preliminary Medicine, Rochester General Hospital (1986) M.D., University of Rochester, School of Medicine & Dentistry (1985)


Clarke LE, Helm Kf, Hennessy J, bruggeman RD, Clarke JT
Dermal dendritic cells in psoriasis, nummular dermatitis, and normal-appearing skin.
Arbesman Jm Loss LC, Helm KF, Rothman IL
A Congenital Case of Circumscribed Acral Hypokeratosis

Pediatr Dermatol. 2011 Jun22
Troiani Bm, Welsch MJ, Heilig SJ, Helm KF,Clarke LE
A firm nodule on the arm. Cutaneous myoepithelioma
Arch Dermatol, 2011 Apr;147(4): 499-504
Sommer LL, Barcia SM, Clarke LE, Helm KF
Persistent melanocytic nevi: a review and analysis of 205 cases.
J Cutan Pathol. 2011 Jun;38(6):503-7
Marshall, K., Klepeiss, S.A., Ioffreda, M.D., Helm, K.F.
Scleromyxedema Presenting with Neurologic Symptoms: A Case Report and Review of the Literature.
Cutis, 85(3):  137-140, 2010
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