Search Results for: morpheiform basal-cell carcinoma

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

…s are found within the upper dermis (arrowhead). (F) Histology showed epidermal hyperplasia characterized by thin strands of basaloid cells and basal hyperpigmentation without increase of melanocytes. In the superficial dermis, few melanophages and…

Linear atrophoderma of Moulin: a case report and review of the literature

Linear atrophoderma of Moulin: a case report and review of the literature

…gure 2. Normal epidermis and broad dermis. [Copyright: ©2013 Patsatsi et al.] Figure 3. Normal epidermis with hyperpigmented basal layer. [Copyright: ©2013 Patsatsi et al.] Figure 4. Thickened collagen fibers in the dermis. [Copyright: ©2013…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

….80.3A: Perivascular dermatitis, slightly spongiotic + 10.80.3B: A few lymphocytes along the dermoepidermal junction, in the basal layer, and in the spinous zone in association with paltry spongiosis = Pityriasis alba Although the changes shown at…

Histologic Diagnosis of Inflammatory Skin Diseases

Pityriasis rubra pilaris

…to that in the epidermis Late All the findings in lesions developed fully, except mitotic figures are not present above the basal layer, and there is no pallor of the epidermis Correlation clinicopathologic Infundibulocentric papules result from…

Histologic Diagnosis of Inflammatory Skin Diseases

Blood Vessels

…lff, M.D.) All arterioles, capillaries, and venules in the dermis are encircled by flat adventitial cells termed “veil cells.” Those cells, whose exact nature is still shrouded, are situated entirely outside the wall of a vessel and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…0;The solar lentigo shows epidermal hyperplasia with elongation of the rete pegs and melanocytic hyperplasia confined to the basal cell layer.” Farmer ER, Hood AF. Melanocytic tumors. In: Farmer ER, Hood AF, eds. Pathology of the Skin. New…

Differential Diagnosis in Dermatopathology

Guttate psoriasis vs. Guttate (dermatosis) parapsoriasis

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Nerves

…est, which gives rise to dorsal root and sympathetic ganglia, and to their nerve processes, Schwann cells, endoneural sheath cells, and laminar cells of specialized sensory end organs. Nerves in the reticular dermis travel along the course of the…

Histologic Diagnosis of Inflammatory Skin Diseases

Epidermolysis bullosa simplex

…y developed Dermal papillae preserved beneath what seems, at first blush, to be a subepidermal blister Vacuoles in epidermal basal cells at the sides of the blister Clefts cut a swath through epidermal basal cells Little or no infiltrate of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Acquired Epidermolysis Bullosa?

…: 1. The finding of IgG at the BMZ by direct immunofluorescence microscopy 2. Demonstration of blister formation beneath the basal lamina, which remains on the epidermal side of the blister by electron microscopy 3. Deposition of IgG in the…