
Herpes simplex viruses (HSVs) are DNA viruses that present as vesicles in clusters on an erythematous base.

Tinea incognito is a superficial dermatophyte infection in which the clinical appearance of the symptoms has been altered by inappropriate treatments, such as topical corticosteroids.

Hairy tongue, or known as lingua villosa, is a result of hypertrophy, elongation, and defective desquamation of the filiform papillae of the tongue.

Erythema ab igne (EAI) is a localized hypermelanosis with erythema in a reticulated pattern. It is triggered from repeated exposure to heat and infrared radiation.
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Kaposi varicelliform eruption is an infection of a dermatosis by pathogens such as herpes simplex virus type 1, HSV-2, coxsackievirus A16, or vaccinia virus.

Infantile hemangiomas (IH) are the most common tumor of infancy and have been estimated to occur in 4% of infants.

Basal cell carcinoma is a type of non-melanoma skin cancer that arises from basal cells found in the lower layer of the epidermis