Dermatopathology Education
Dermatopathology (DP) education is critical to the comprehensive training of dermatology and pathology residents and to the accurate diagnosis and management of cutaneous disease. DP has seen tremendous growth, and…
New Directions in Dermatopathology
In vivo confocal microscopy represents a new device that generates a virtual skin biopsy at cytologic resolution. This article describes the most relevant confocal findings and their histopathologic correlates in skin…
Direct Immunofluorescence Testing in the Diagnosis of Immunobullous Disease, Collagen Vascular Disease, and Vascular Injury Syndromes
Direct and indirect immunofluorescence (IF) plays a role in the evaluation of immunobullous diseases and their mimics, and in the investigation of vascular injury syndromes and autoimmune connective tissue disease…
Current Understanding of Cutaneous Lymphoma
Recent epidemiology studies have identified a steady increase in the incidence of cutaneous lymphomas over the past few decades. Although possible explanations for this increased incidence include heightened awareness of…
Histopathologic Patterns Associated with External Agents
A large number of foreign substances may penetrate the skin for both voluntary and involuntary reasons. The voluntary group includes the particulate materials used in tattoos and cosmetic fillers, whereas…
Emerging Adverse Cutaneous Drug Reactions
The past several decades have seen the advent and rapidly expanding use of biological agents in the treatment of chronic disease states. As increasingly large pools of patients have been…
What’s New in the Histologic Evaluation of Alopecia and Hair-Related Disorders?
The diagnosis of alopecia and other hair-related disorders can be challenging. An appreciation of the newest diagnostic techniques and newly described entities can help clinicians to provide the best care…
Current Knowledge in Inflammatory Dermatopathology
The complex and fascinating spectrum of inflammatory skin disease, and the comprehension of it, is ever expanding and evolving. During the first decade of the 21st century, numerous advances in…
Update on Vascular Neoplasms
This article provides an update on vascular neoplasms. New immunohistochemical markers for the diagnosis of vascular neoplasms tumor 1, infantile hemangiomas, myopericytomas, perivascular epithelial cell tumors, acquired elastotic hemangiomas, vascular…
Fibrous and Fibrohistiocytic Neoplasms
Important advances in fibroblastic and fibrohistiocytic tumors relevant to dermatologists and dermatopathologists include (1) recognition that myxofibrosarcoma is a distinct entity that frequently arises in skin; (2) CD10 is sensitive…
