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Based on the history, clinical features, and histology, a diagnosis of the inflammatory verrucous epidermal nevus with lobster claw hand was done. Sir, Inflammatory linear verrucous epidermal nevus (ILVEN) is a type of epidermal nevus characterized by linear, pruritic, erythematous, and hyperkeratotic papules that often coalesce into plaques, with a raised scaly surface, which may be unilateral or bilateral and usually follows the lines of Blaschko. [Extracted from the article]

Porokeratotic eccrine ostial and dermal duct nevus (PEODDN) is a rare nevoid condition characterized by asymptomatic grouped keratotic papules and plaques with a linear pattern on the extremities, having distinct porokeratotic histopathological features. The lesions usually present at birth or in childhood. We present here a case of late-onset PEODDN in a 23-year-old man who had lesions on the palm, forearm, arm and the chest along the lines of Blaschko, strictly localized to the left side of the body. [ABSTRACT FROM AUTHOR]

The article presents a case of porokeratotic eccrine ostial and dermal duct nevus (PEODDN), a rare disorder of keratinization, with unique clinical and histopathological findings. Topics discussed include the characteristics of PEODDN, diseases reportedly associated with PEODDN, and the limited treatment options for PEODDN.