1 2 3 20
A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

  • at024g01.jpg
  • at024g02.jpg
  • at024g03a.jpg
  • at024g03b.jpg
  • at024g04a.jpg
  • at024g04b.jpg
  • at024g05.jpg
  • at024g06a.jpg
  • at024g06b.jpg
  • at024g06c.jpg

Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines.

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp. A papule of it tends to become a plaque, a nodule, a tum…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

cells, lymphocytes in particular. The term “inflammatory cells” is understood as being generic for neutrophils, eosinophils, lymphocytes, plasma cells, and histiocytes; whether mast cells, basophils, Langerhans” cells, dermal dendro…

Therapeutic Strategies in Dermatology

Lupus: Treatment

Treatment First-line treatment: Photoprotection is critical for all patients with cutaneous lupus erythematosus (CLE). Inflammation should be targeted via topical, intralesional, or systemic immunosuppression, or a combination therapeutic approach…

Therapeutic Strategies in Dermatology

Lymphomatoid Papulosis: Overview

…LyP) is an inflammatory disorder affecting primarily the upper dermal blood vessels. It is characterized by the presence of CD30-positive lymphocytes (sometimes large and atypical) in the dermal infiltrate. Individual lesions resolve spontaneously (a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…erlin, Germany: Springer-Verlag, 1991:959. Benign Melanogenic Cells: The Melanocyte vs the Nevus Cell Melanocytes Nevus Cells Cell shape Epidermal: dendritic Round-oval, fusiform Dermal: fusiform, ameboid Rarely dendritic Nucleus Dark-sta…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Invasion by Neoplastic Cells?

…i.e., cancer, exhibits the properties of: 1. invasion when its cells infiltrate the surrounding normal tissue; and 2. metastasis, the capacity of cancer cells to spread and grow at sites distant from the origin of the neoplasm.” Harnden DG, Mc…

Histologic Diagnosis of Inflammatory Skin Diseases

Langerhans’ Cells

Langerhans’ cells, named for Paul Langerhans who, while a medical student in Berlin in 1868, was the first to describe them, are dendritic cells that reside just above the middle of the spinous zone of the epidermis. They make their appearance…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Trichodiscoma Related to the Hair Disk and Merkel-Cell Neoplasm to Merkel Cells?

…erkel cell carcinoma is thought to arise from hair follicle or dermal Merkel cells, which are postulated to be connected to touch sensation.” Acebo E, Vidaurrazaga N, Varas C, Burgos-Bretones JJ, Diaz-Perez JL. Merkel cell carcinoma: a clinico…

Histologic Diagnosis of Inflammatory Skin Diseases

Merkel Cells

…hysician at the University of Rostock in Germany, noted unique cells at the base of epidermal rete ridges, those cells being in contact with nerve fibers. He considered the cell-neurite complexes to be touch receptors and named the cells “Tastz…

1 2 3 20