Search Results for: hypergranulosis

Differential Diagnosis in Dermatopathology

Discussions

…hokeratosis devoid of parakeratosis and wedge-shaped zones of hypergranulosis that form in structures that pass through the epidermis, i.e., acrosyringia and “acrotrichia.” Clinically, lichen planus is characterized by flat-topped, polygo…

Differential Diagnosis in Dermatopathology

Discussions

…osis; dilatation of infundibula by a plug of cornified cells; hypergranulosis of infundibula; uneven psoriasiform acanthosis, coarse bundles of collagen arranged in vertical streaks in a thickened papillary dermis; a superficial perivascular infiltra…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

…qual lengths Suprapapillary plates thin slightly Wedge-shaped hypergranulosis, especially in infundibula Compact orthokeratosis Correlation clinicopathologic Papules of psoriasis are smooth when mounds of parakeratosis are covered by the original cor…

Differential Diagnosis in Dermatopathology

Discussions

…rete ridges and dermal papillae that is muted markedly, focal hypergranulosis, necrotic keratocytes at the dermoepidermal junction and in the uppermost dermis, vacuolar alteration at the dermoepidermal junction, a thickened epidermal basement membran…

Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

Differential Diagnosis in Dermatopathology

Nevus verrucosus vs. Acanthosis nigricans

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

Differential Diagnosis in Dermatopathology

Ichthyosis vulgaris vs. X-linked ichthyosis

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

Differential Diagnosis in Dermatopathology

Alopecia areata vs. Trichotillomania

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…