Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

…cies in a remarkably poignant way that told of the anguish of metastatic carcinoma and conveyed the madness of factitious dermatitis. In this volume we have set out to produce an atlas of dermatology that is a work of art as well as a work of substan…

Differential Diagnosis in Dermatopathology

Seborrheic keratosis, acanthotic type vs. Eccrine poroma

…cies in a remarkably poignant way that told of the anguish of metastatic carcinoma and conveyed the madness of factitious dermatitis. In this volume we have set out to produce an atlas of dermatology that is a work of art as well as a work of substan…

Differential Diagnosis in Dermatopathology

Discussions

…ceous hyperplasia may be misinterpreted clinically as a basal-cell carcinoma because both conditions have a slightly elevated border and a central dell. In basal-cell carcinoma, however, the depression in the center usually represents an erosion or u…

Dermatology Practical & Conceptual

The so-called dysplastic nevus is not dysplastic at all

…eoplasia with cytomorphologic features of malignancy, namely, carcinoma in situ lesions, by surgical pathologists. If one looks for an equivalent lesion to the so-called dysplastic (carcinoma in situ) lesions of epithelial tissue in melanocytic neopl…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mucha-Habermann Disease a Lymphocytic Vasculitis?

…the vessel walls by lymphocytes. In addition, the endothelial cells are swollen, narrowing the lumen of the affected vessels.” Szymanski FJ. Pityriasis lichenoides et varioliformis acuta. Arch Dermatol 1959;79:7–16. “Pityriasis li…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Spongiform Pustular Diseases?

…ave migrated into the soaked epidermis, destroying epithelial cells by invading them or going between them.” Kogoj F. Die spungiforme (schwammartige) Pustel. Dermatol Wochnschr 1938;107:1485-87. “Of all the listed features, only the sp…

Dermatology Practical & Conceptual

Dermoscopic clues to diagnose acantholytic dyskeratosis

…include both benign and malignant lesions, such as cutaneous squamous-cell carcinoma, verrucal keratosis, plantar hyperkeratosis, hair follicle changes, panniculitis, and photosensitivity [2], along with widespread eruptions with histologic features…