Search Results for: papillomatosis of gougerot-carteaud

A verrucous plaque on the lower leg

A verrucous plaque on the lower leg

…normal limits. A biopsy was obtained from the verrucous plaque. Histopathologic findings revealed epidermal hyperplasia and papillomatosis. Granulomas were noted in the dermis showing central suppuration and necrosis (Figure 2). A marked plasma…

Differential Diagnosis in Dermatopathology

Discussions

…re-existing condyloma acuminatum. Carcinoma cuniculatum conceivably could arise in pre-existing mosaic warts and florid oral papillomatosis may be squamous-cell carcinoma secondary to infection of oral epithelium by papillomavirus. Bowenoid…

Differential Diagnosis in Dermatopathology

Discussions

…ickened in others, the presence sometimes of “horn pseudocysts,” varying degrees of epidermal hyperpigmentation, papillomatosis, and some dermal papillae that are pointed and others that are rounded. Despite the changes histopathologic…

Differential Diagnosis in Dermatopathology

Discussions

…of “palpable purpuras” in the skin other than leukocytoclastic vasculitis, for example, the lichenoid purpura of Gougerot and Blum (lichen aureus), purpuric papules of Mucha-Habermann disease, and purpuric tumors of a hematoma. Lesions…

Differential Diagnosis in Dermatopathology

Discussions

…pidermal basement membrane often is thickened markedly The lichenoid expression of persistent pigmented purpuric dermatitis (Gougerot and Blum) in which there usually are numerous extravasated erythrocytes and siderophages. Why an apparently banal…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Lichenoid purpura (of Gougerot and Blum) Mycosis fungoides (plaque stage) 1. Epidermis usually normal or slightly acanthotic 1. Epidermis often psoriasiform 2. No lymphocytes disposed as solitary units in the epidermal basal layer 2. Lymphocytes…