Search Results for: erosion

Reticular telangiectatic erythema: case report and literature review

Reticular telangiectatic erythema: case report and literature review

…ting may be helpful to establish a diagnosis. Pressure dermatitis may initially present as erythema; yet there is subsequent erosion of the overlying skin. Similar to subcutaneous implantable cardioverter-defibrillator-associated reticular…

Acantholytic dyskeratotic acanthoma: case report and review of the literature

Acantholytic dyskeratotic acanthoma: case report and review of the literature

…ma skin cancer or melanoma. Cutaneous examination revealed a 10 x 4 mm plaque beneath the left breast (Figure 1). A 3 x 3 mm erosion was present in the center of the lesion. An excisional biopsy was performed. Figure 1. Distant (A) and closer (B)…

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

…ifficulty breathing. Cutaneous examination showed an asymptomatic 7 x 7 mm violaceous non-telangiectatic nodule with central erosion on the right nasal tip (Figure 1). Microscopic examination of a 2 mm punch showed scale crust and parakeratosis…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat: Panniculitis

…nd eosinophils in the subcutaneous fat, like that in the dermis, is typical of a response to an assault by an arthropod. The erosion covered by crust represents the actual site of the “bite.” Figure 5.393 A&B. Granuloma annulare:…

Differential Diagnosis in Dermatopathology

Allergic (leukocytoclastic) vasculitis vs. Septic vasculitis

…art of the spinous zone or granular zone of the epidermis, the result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema. When mostly the trunk is affected, the condition is termed “pemphigus…

Differential Diagnosis in Dermatopathology

Lymphomatoid papulosis vs. Mycosis fungoides, plaque

…art of the spinous zone or granular zone of the epidermis, the result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema. When mostly the trunk is affected, the condition is termed “pemphigus…

Histologic Diagnosis of Inflammatory Skin Diseases

Atopic dermatitis

…y (excoriations) Necrosis of keratocytes in foci across the upper part of the epidermis; ragged base of the zone of necrosis Erosions, ulcers, and crusts Fibrosing granulation tissue in a thin zone immediately beneath an intact (re-epithelialized)…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen simplex chronicus/Prurigo nodularis/Picker’s nodule/Erosions/Ulcers

…titis, neurodermatitis circumscripta, lichen simplex, secondary lichenification) Prurigo nodularis (nodular lichenification) Erosions and ulcers (neurotic excoriations) Presentation stereotypical Age and sex Any age and both sexes Distribution of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…reflect effects of both persistent rubbing (hyperkeratosis and collagen bundles in vertical streaks) and lively scratching (erosion and ulceration). 10.23.9A: Ulcer and crust, well circumscribed + 10.23.9B: Degeneration of bundles of collagen both…