Histiocytic Neoplasms Michael A. Cardis A. Yasmine Kirkorian Alejandro A. Gru INTRODUCTION A recent update in the classification of histiocytic disorders of adults and children has been proposed, which provides…

Cutaneous Hematolymphoid Proliferations Julia Scarisbrick Louis P. Dehner Alejandro A. Gru INTRODUCTION Primary cutaneous lymphomas are rare cutaneous neoplasms with varied clinical presentation and course. Initial examination must differentiate between…

Vascular Lesions Daniel D. Miller Alejandro A. Gru Sheilagh M. Maguiness Introduction and Classification The field of vascular anomalies has grown at a rapid pace over the past decade. The…

Soft Tissue Tumors of Skin and Subcutis Louis P. Dehner Alejandro A. Gru Aimee C. Smidt Emma F. Johnson The designation of soft tissue tumors as applied to the skin…

Medication-Induced Hypersensitivity Reactions Grace L. Lee Barbara Reichert Alejandro A. Gru Benjamin H. Kaffenberger Medication-induced hypersensitivity reactions are an important cause of morbidity, and even mortality within the pediatric population….

Epidermal and Adnexal Proliferations and Tumors Nima Mesbah Ardakani Ellen Koch Jonathan J. Lee Alejandro A. Gru Benjamin Wood Epidermal Proliferations EPIDERMAL NEVUS Definition and Epidemiology “Epidermal nevus” refers to…

Melanocytic-Nevocellular Lesions Louis P. Dehner Esteban Fernandez Faith Melanocytic neoplasms of one type or another are common in the pediatric population presenting as a birthmark or as a later acquired…

Cutaneous Viral Infections Jessica Kaffenberger Richard H. Flowers Barrett J. Zlotoff Mark R. Wick Viral diseases of the skin are relatively common in children and are more varied in nature…