Pathology
Images
Atlas of dermatopathology
Josef Feit, Hana Jedličková, Günter Burg, Luděk Matyska, Spasoje Radovanovic et al.
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+ Introduction
+ Literature
+ Support
+ Skin biopsy
+ Non-tumorous skin diseases
+ Skin tumors
+ Cysts of the skin and subcutis
+ Soft tissue lesions
+ Some lesions of the oral cavity
+ Dermatovenerology
+ Collection of histological slides by prof. Günter Burg
+ Collection of histological slides by prof. Werner Kempf
+ Collection of histological slides of dr. Ram Chandra Adhikari
Epidermal nevus
Clinical signs
  • location: anywhere
  • hyperkeratotic papules solitary and multiple; sometimes is the lesion very large (nevus unius lateris, ichthyosis hystrix)
  • present at birth
Histology

Prominent hyperkeratosis, papillomatosis, variable acanthosis, sometimes epidermolytic hyperkeratosis (granular degeneration of the epidermis) or dyskeratosis, acantholysis and other changes.

Pictures

Epidermal verrucous nevus: Linear epidermal nevus, HE 20x (4479)

Epidermal nevus: Epidermal nevus, HE 10x (1272) Epidermal nevus, HE 20x (1273) Nevus epidermal, HE 40x (1890)

Another case: Linear epidermal nevus, HE 2.5x (1501) Linear epidermal nevus, HE 10x (1500)

Another case: Nevus epidermal, HE 40x (2388)

Another case (newborn with tuberous sclerosis, lesion of the arm): Nevus epidermal, HE 40x (2350)

Another case, 10 years old boy, forhead: Nevus epidermal (10 years old boy, forhead), HE 20x (2668)

Another case: Nevus epidermal, HE 40x (2669)

Linear epidermal nevus with epidermolytic hyperkeratosis (linearly arranged lesion, child): Linear epidermal nevus, epidermolytic variant, HE 40x (3688)

Another case of epidermal nevus with epidermolytic hyperkeratosis, boy, multiple congenital large linear lesions of the trunk: Epidermal epidermolytic nevus, HE 40x (6073)

Epidermal nevus of the scalp: Nevus epidermal, HE 20x (4237)