Search Results for: hypergranulosis

Differential Diagnosis in Dermatopathology

Discussions

…apillary dermis thickened by coarse bundles of collagen arranged in vertical streaks and of compact orthokeratosis joined by hypergranulosis. The differential diagnosis histopathologic of allergic contact dermatitis at all stages of the process…

Differential Diagnosis in Dermatopathology

Discussions

…atrophic, hypertrophic, bullous), most have in common the following attributes histopathologic: Compact orthokeratosis Focal hypergranulosis in wedge shape Jagged acanthosis Necrotic keratocytes (Civatte bodies, colloid bodies, apoptotic bodies) at…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…Individual necrotic cells often within lobules of isthmic epithelium 10. No signs of lichen simplex chronicus usually 10. Signs of lichen simplex chronicus in the form of compact orthokeratosis and hypergranulosis often…

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

Confusion—specimen mix-up in dermatopathology and measures to prevent and detect it

…s of a verruca vulgaris, namely, acanthosis with elongated rete ridges bent toward the center of the lesion, papillomatosis, hypergranulosis with koilocytes, and compact orthokeratosis with narrow columns of parakeratosis above elongated papillae….

Differential Diagnosis in Dermatopathology

Dilated pore vs. Pilar sheath acanthoma

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.,…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…Leukokeratosis Leukoplakia 1. Orthokeratosis with few parakeratotic cells 1. Parakeratosis with few orthokeratotic cells 2. Hypergranulosis 2. Few, if any, granular cells in a lesion that has not been rubbed persistently 3. Epithelium thickened…

Differential Diagnosis in Dermatopathology

Discussions

…features of leukokeratosis are likely to be imposed on it. In those instances, abnormal keratocytes, a thickened epithelium, hypergranulosis, and both parakeratosis and compact orthokeratosis will be present together. Search Derm101.com for…

Diagnostic utility of Ki-67 and Cyclin D1 immunostaining in differentiation of psoriasis vs. other psoriasiform dermatitis

Diagnostic utility of Ki-67 and Cyclin D1 immunostaining in differentiation of psoriasis vs. other psoriasiform dermatitis

…dermal papillae [1]. The presence of thickened collagen bundles arranged in vertical streaks in the dermal papillae, marked hypergranulosis and a thick layer of compact orthokeratosis resembling that seen on normal palms and soles (i.e., hairy palm…

Pigmented Lesions

Pigmented Lesions

…orm, plasmacytoid, and polygonal. Pseudoacantholysis of melanocytes is common. Often there are compact orthokeratosis, focal hypergranulosis, adnexal hyperplasia, dull pink globules in the epidermis, and clefts between nests/fascicles of melanocytes…

Differential Diagnosis in Dermatopathology

Discussions

…perkeratosis and a plane wart share several findings histopathologic, among them being a papillated and thickened epidermis, hypergranulosis, and cells with pale cytoplasm within the epidermis. The terms “epidermolytic hyperkeratosis”…