Type: Skin

Epidermolysis bullosa

Group of disorders with extreme skin fragility and blistering from minor trauma; severe types cause scarring and SCC risk.

Generalized pustular psoriasis

Severe systemic pustular variant of psoriasis with flares of widespread sterile pustules and fever.

Cutaneous T-cell lymphoma

Indolent-to-aggressive lymphoma of skin-homing T cells presenting with patches, plaques and tumors.

Hidradenitis suppurativa

Chronic inflammatory disease of apocrine-bearing skin with painful nodules, abscesses and sinus tracts.

Ichthyosis

Heritable disorders of cornification with persistent scaling skin.

Netherton syndrome

Severe ichthyosiform disorder with hair-shaft defect and atopy.

Pemphigus vulgaris

Autoimmune blistering disease with intraepidermal acantholysis affecting skin and mucosa.

Xeroderma pigmentosum

Defective nucleotide-excision repair with extreme UV sensitivity and very high skin cancer risk.