Differential Diagnosis in Dermatopathology

Differential Diagnosis

Solar keratosis Bowens disease 1. Arranged usually in buds or nubbins of epidermis 1. Arranged usually in broadened rete ridges 2. Alternation of ortho- and parakeratosis in fashion repeatable 2. No alternation of ortho- and parakerato…

Differential Diagnosis in Dermatopathology

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Solar keratosis Bowens disease

Differential Diagnosis in Dermatopathology

Discussions

…t remarkably common “keratosis” actually is a very superficial squamous-cell carcinoma, just as are arsenical keratosis, radiation keratosis, Bowens disease, bowenoid papulosis, erythroplasia of Queyrat, and actinic cheilitis, all…

Dermatology Practical & Conceptual

An atypical pigmented lesion on the nose—Answer

…and conjunctiva [3]. Pigmentation is probably due to cytokines secreted by tumoral cells that stimulate melanocytes to produce melanin [4]. In some cases, PCSCC may be the malignant progression of a pigmented actinic keratosis or a pigmented Bowens

Differential Diagnosis in Dermatopathology

Discussions

…neoplasm because, rarely, it has capability to metastasize. In short, keratoacanthoma is one of several different kinds of squamous-cell carcinoma, the others being the solar keratotic, the Bowens, the bowenoid papulotic, and the verrucous. Se…

Differential Diagnosis in Dermatopathology

Keratoacanthomatous verruca vulgaris vs. Verrucous keratoacanthoma

…tinocytes that when present as a keratotic macule or papule on skin damaged badly by sunlight is referred to as solar keratosis. When present as a plaque it is termed Bowens disease, and when present as many papules in the anogenital region it…