Search Results for: palmo-plantar nevi

Histologic Diagnosis of Inflammatory Skin Diseases

Topography and Regional Variation

…genetic abnormalities, e.g., Down’s syndrome, and of defects caused by infections in utero, e.g., rubella. Palmar and plantar skin is typified histologically by a thick cornified and granular layer, a prominent undulate pattern of epidermal…

Histologic Diagnosis of Inflammatory Skin Diseases

Bullous pemphigoid

…on of lesions Inner aspects of thighs, flexor surface of forearms, axillae, groin, lower part of the abdomen, and palmar and plantar surfaces; no involvement of mucosae as a rule Configuration of lesions Arcuate, annular, and serpiginous when…

Histologic Diagnosis of Inflammatory Skin Diseases

Embryologic Development

…. Merkel cells are thought to issue from primitive ectodermal cells, i.e., germinative cells, within embryonic epidermis. In plantar skin, Merkel cells have been identified as early as the 12th week of gestation. In the 16th week, Merkel cells make…

The dermatologist’s stethoscope-traditional and new applications of dermoscopy

The dermatologist’s stethoscope-traditional and new applications of dermoscopy

…al.] Figure 2. Entomodermoscopy improves the diagnosis of skin infestations and infections. (A) Stereotypical appearance of plantar viral wart showing structureless white-yellow areas and multiple small linear brown to red dots and streaks…

Atypical case of lichen planus recognized by dermoscopy

Atypical case of lichen planus recognized by dermoscopy

…anus. [Copyright: ©2016 Papageorgiou et al.] Discussion In the current case, clinical manifestations on the dorsal hands and plantar surfaces were highly suggestive of psoriasis, with eczema and LP included in the differential diagnosis. However,…

Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Differential Diagnosis in Dermatopathology

Discussions

…us epidermal hyperplasia; fully developed lesions of verrucae vulgares exhibit digitated epidermal hyperplasia. In contrast, plantar warts are mostly endophytic, as a result of pressure exerted upon them by walking. The papillomavirus responsible…

Eccrine syringofibroadenoma (EFSA): a report of two cases

Eccrine syringofibroadenoma (EFSA): a report of two cases

…ndrome (SSPS) is a rare autosomal dominant ectodermal dysplasia, characterized by hypodontia, hypotrichosis, nail dystrophy, palmoplantar keratoderma, and periocular and eyelid margin apocrine hidrocystoma. Clouston’s syndrome is autosomal dominant…