Pediatric Dermatology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
linear epidermal nevus
A benign skin lesion characterized by warty, hyperpigmented papules arranged in linear streaks following developmental lines.
Erythroderma
A severe, generalised reddening and scaling of 90% or more of the body surface area, representing a dermatological emerg...
Friction melanosis
A form of acquired hyperpigmentation in children caused by repetitive mechanical friction to the skin, most commonly ove...
Genodermatosis
An inherited skin disorder caused by a specific genetic mutation, encompassing a broad spectrum of conditions from ichth...
Gianotti-Crosti syndrome
Distinctive papular eruption in children characterized by monomorphic papules on the face, buttocks, and extensor surfac...
guttate psoriasis
A form of psoriasis characterized by small, drop-like lesions that commonly develops in children following streptococcal...
Harlequin ichthyosis
Severe, life-threatening form of congenital ichthyosis characterized by thick, diamond-shaped scales separated by deep f...
hemangioma
A benign vascular tumor that appears as a bright red, raised lesion, most commonly occurring in infants during the first...
hidradenitis suppurativa
A chronic inflammatory condition affecting apocrine gland-bearing areas, characterized by recurrent painful nodules, abs...
Hypomelanosis of Ito
Neurocutaneous disorder characterized by unilateral or bilateral hypopigmented streaks and patches following Blaschko's...
ichthyosis
A group of inherited disorders characterized by dry, scaly skin resembling fish scales due to abnormal keratinization.
ichthyosis vulgaris
The most common form of inherited ichthyosis, presenting as fine, white scales primarily on extensor surfaces.
Incontinentia pigmenti
X-linked dominant genodermatosis causing staged skin lesions following Blaschko's lines, primarily affecting females.
infantile seborrheic dermatitis
A common inflammatory skin condition in infants characterized by greasy, scaly patches, especially on the scalp.
intertrigo
Inflammatory dermatitis occurring in skin folds due to friction, heat, and moisture.
juvenile xanthogranuloma
A benign histiocytic lesion presenting as yellow-orange papules or nodules in infants and children.
keratosis pilaris
A common benign condition causing rough, bumpy skin texture due to keratin plugging of hair follicles.
kerion
A severe, inflammatory type of tinea capitis presenting as a boggy, pustular scalp mass with associated hair loss.
Koebner phenomenon
The development of skin lesions at sites of trauma or injury in patients with certain dermatologic conditions.
KOH preparation
A laboratory test using potassium hydroxide to dissolve skin cells and reveal fungal elements for diagnosing superficial...
Langerhans cell histiocytosis
A clonal proliferative disorder of Langerhans cells presenting with variable cutaneous, bony, and systemic involvement,...
LCH
Abbreviation for Langerhans cell histiocytosis; a clonal Langerhans-cell proliferative disorder with characteristic cuta...
linear epidermal nevus
A benign skin lesion characterized by warty, hyperpigmented papules arranged in linear streaks following developmental l...
linear IgA bullous dermatosis
A rare autoimmune blistering disease of childhood characterized by linear IgA deposition at the dermoepidermal junction.
Linear IgA dermatosis
Autoimmune blistering disorder in children characterized by tense bullae and a 'string of pearls' configuration.