Search Results for: nodular basal-cell carcinoma

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Borderline, Minimal Deviation, and Nevoid Melanomas?

…tumors. In some of these lesions, a pattern of regularly arranged fascicles that are composed of uniform, minimally atypical cells is preserved. In other examples, minimal deviation cells are arranged in alveoli and show little or no deviation in…

Yellow color upon dermatoscopy does not exclude melanoma!

Yellow color upon dermatoscopy does not exclude melanoma!

…ermatology. Dermatology. 2006;212(1):7-18. 2. Braun RP, Stolz W, Busam KJ, Marghoob AA.White globules correlate with balloon cell nevi nests. J Am Acad Dermatol. 2011 Oct;65(4):e119-20. 3. Inskip M, Magee J, Barksdale S, Weedon D, Rosendahl C….

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

Images

…response to the altered collagen. Such events seem to be dependent on the presence of anticardiolipin antibodies. 10.63.19A: Nodular dermatitis, neutrophils predominant + 10.63.19B: Perivascular and interstitial infiltrates of neutrophils and…

Melanoma arising in a giant nevus spilus maculosus

Melanoma arising in a giant nevus spilus maculosus

…unch biopsy of the speckled lentiginous nevus. The biopsy was taken from the thigh. Mild acanthosis and hyperpigmentation of basal keratinocytes is present but there is no marked proliferation of melanocytes. Figures 6A-G. Histopathology of the…

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…