A rare hamartoma presenting as a linear or grouped arrangement of comedo-like follicular papules.
A rare X-linked dominant disorder with a characteristic unilateral (one-sided) inflammatory and ichthyosiform nevus.
A form of chondrodysplasia punctata with a characteristic swirled or linear pattern of ichthyosiform erythroderma and scaling along Blaschko's lines.
A congenital hamartoma of the epidermis, often presenting as a linear, verrucous (wart-like), hyperpigmented plaque that follows Blaschko's lines.
A type of linear epidermal nevus with histologic features of epidermolytic hyperkeratosis, often appearing more warty and macerated.
A genetic disorder (focal dermal hypoplasia) with linear or whorled areas of skin atrophy, telangiectasias, and herniation of fat.
A neurocutaneous syndrome characterized by hypopigmented patches that follow a distinctive whorled or linear pattern along Blaschko's lines.
A specific type of linear epidermal nevus that is intensely pruritic and erythematous (Inflammatory Linear Verrucous Epidermal Nevus).
A genetic disorder with four stages, starting with linear vesicles, progressing to linear warts, then linear hyperpigmentation, and finally linear hypopigmented scars.
A self-limiting eruption of small, pink, lichenoid papules that form a continuous or interrupted linear band along Blaschko's lines.
A segmental mosaic form of Darier's disease with greasy, crusted, keratotic papules arranged in a linear band.
A segmental mosaic form of Hailey-Hailey disease with painful, recurrent erosions and macerated plaques in a linear pattern.
A pigmentary anomaly with swirls and streaks of hypopigmentation following Blaschko's lines, often associated with systemic abnormalities.
Multiple basal cell carcinomas arranged in a linear fashion, often as part of a nevoid syndrome (Gorlin syndrome).
Lichen planus papules that are arranged in a linear configuration, often following a scratch (Koebner phenomenon).
A variant of porokeratosis where annular plaques with a distinct, thread-like keratotic border are arranged in a linear pattern.
A rare presentation of psoriasis where typical erythematous, scaly plaques develop in a linear distribution.
Multiple benign, waxy, 'stuck-on' papules that are arranged in a linear distribution.
A syndrome of Microphthalmia, Dermal Aplasia, and Sclerocornea, with linear or Blaschkoid skin defects.
A rare syndrome of multiple enchondromas (cartilage tumors) and soft tissue vascular anomalies like spindle cell hemangiomas.
Characterized by large, unilateral café-au-lait macules with distinctive irregular, jagged 'coast of Maine' borders, not typically linear.
A stable, congenital, well-demarcated hypopigmented patch that can have a linear or segmental shape.
A benign hamartoma of mature fat cells within the dermis, presenting as grouped, soft, skin-colored or yellowish papules and nodules.
A congenital hamartoma of sebaceous glands, usually on the scalp, that can present as a linear, yellowish, waxy, hairless plaque.
The most common type of linear epidermal nevus, presenting as a hyperpigmented, velvety or warty plaque.
A rare neurocutaneous syndrome with an epidermal nevus and neurologic features (psychomotor retardation, epilepsy, ocular, deafness, dental, nail abnormalities).
The presence of an epidermal nevus can be a sign of a PTEN hamartoma tumor syndrome like Cowden syndrome.
An epidermal nevus localized to the palms and soles, presenting as a linear, hyperkeratotic, warty plaque.
A syndrome of a capillary malformation (port-wine stain) overlying a high-flow arteriovenous malformation, causing limb overgrowth.
A rare, complex disorder with progressive, asymmetric overgrowth of various tissues, including cerebriform connective tissue nevi on the soles.
Multiple, painful, smooth muscle tumors (leiomyomas) arranged in a segmental or linear pattern.
A form of neurofibromatosis where cafe-au-lait macules and/or neurofibromas are confined to a single segment of the body.
