Results: 5

Collision tumor: pigmented Bowen's disease and seborrheic keratosis

An. bras. dermatol; 93 (5), 2018
Abstract: Bowen's disease is a type of squamous cell carcinoma in situ of the skin. The pigmented form is rare and represents less than 2% of cases. We report a case of a 74-year-old black man with a blackened and asymptomatic leg injury for about 6 months. Clinically, and under dermatoscopy, the injury ...

Pigmented Bowen's disease associated with high-risk HPV simulating melanoma of the hand

An. bras. dermatol; 92 (5), 2017
Abstract: Bowen's disease is an in situ squamous cell carcinoma of the skin with only 2% of pigmented cases reported. It is clinically characterized by papules and plaques of blackened surface that may be caused either by sun damage - usually in photoexposed areas in elderly individuals - or by human pap...

A case of pigmented Bowen's disease

An. bras. dermatol; 92 (1), 2017
ABSTRACT Pigmented Bowen's disease is a rare subtype of Bowen's disease. Clinically it presents as a slow-growing, well-defined, hyperpigmented plaque, and should be included as a differential diagnosis of other pigmented lesions. The authors describe a challenging case of pigmented Bowen's disease with ...

Porokeratosis simulating Bowen's disease on dermoscopy

An. bras. dermatol; 91 (5,supl.1), 2016
Abstract Porokeratosis is a disorder of epidermal keratinization characterized by the presence of annular hyperkeratotic plaques. Its etiopathogenesis is not yet fully understood, but a relationship with immunosuppression has been reported. Dermoscopic examination revealed a classic yellowish-white ring-...

Pigmented Bowen's disease

An. bras. dermatol; 89 (5), 2014
Pigmented Bowen's disease is rare, though more prevalent in men. It presents as a well-delineated plaque in areas unexposed to sun. There are reports of association with seborrheic keratosis, solar lentigo or exuberant pigmentation of genital and intertriginous regions. A specific dermoscopy finding is t...