Search Results for: morpheiform basal-cell carcinoma

Differential Diagnosis in Dermatopathology

Discussions

…n the chest or upper part of an arm of a middle-aged person, usually a man. Often it is misinterpreted clinically as a basalcell carcinoma. Close inspection reveals a slightly dull-surfaced, violaceous, keratotic papule. The keratotic component…

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…

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…

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

A disease manifested chiefly in the skin by vesicles and bullae that appear on sites of trauma, especially the face and dorsa of the hands, often in conjunction with macular hyperpigmentation and hypertrichosis of a face and sclerodermoid changes…

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…