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See Classification of Pigmented Lesions

See Classification of Pigmented Lesions

…Hamartomas Collagenous nevus, papillary dermal type Nevoid hyperkeratosis of the nipple Benign neoplasms Solar lentigo, including lichen planus-like keratosis Seborrheic keratosis Malignant neoplasms Basal cell carcinoma, pigmented Solar ker…

Differential Diagnosis in Dermatopathology

Discussions

…also have some attributes histopathologic in common, namely, hyperkeratosis, a thickened epithelium, and an infiltrate of mononuclear cells. The white color (leuko-) in both leukokeratosis and leukoplakia results from abnormal production and macerat…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

…rmal nevus Acquired epidermolysis bullosa Epidermolytic Hyperkeratosis, e.g., Elastophagocytosis, e.g., Bullous congenital ichthyosiform erythroderma Granuloma annulare Ichthyosis hystrix Granulomatous slack skin (mycosis fungoides)…

Differential Diagnosis in Dermatopathology

Discussions

…(the uppermost part of the dermal component ) epithelium, and hyperkeratosis. The distinctive changes at the dermoepidermal junction interface are found in sections of about half of the biopsy specimens of lupus profundus, but when they are spotted,…

Differential Diagnosis in Dermatopathology

Discussions

…vi are verrucous acanthosis (nevus verrucosus), epidermolytic hyperkeratosis (bullous congenital ichthyosiform erythoderma when widespread and ichthyosis hystrix when circumscribed in systematized fashion), and focal acantholytic dyskeratotic (so-cal…

Differential Diagnosis in Dermatopathology

Discussions

…cular disease. Kyrle’s disease, described originally as hyperkeratosis follicularis et parafollicularis in cutem penetrans, probably is nothing occur mostly in diabetics and patients on renal dialysis who rub persistently and scratched furiousl…

Differential Diagnosis in Dermatopathology

Pigmented Lesions

…normal. Slight increase of melanin in the epidermis. Nevoid hyperkeratosis of the nipple (443) Broad mammillations, each formed by a subtly elevated dermal papilla, interrupted by thin epidermal rete ridges pigmented markedly. Hemorrhage Ungua…

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