Search Results for: scars

Histologic Diagnosis of Inflammatory Skin Diseases

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…ration, granulomatous inflammation, and extensive fibroplasia, the latter manifested clinically as a scar. The appearance of scars that follow on suppurative infundibulitis of acne vulgaris varies; it ranging from “ice pick” atrophic…

Histologic Diagnosis of Inflammatory Skin Diseases

Junctional epidermolysis bullosa

…nulation tissue, unlike the situation in junctional epidermolysis bullosa. Dystrophic epidermolysis bullosa heals with white scars that take the form of papules (albopapuloid) and with milia, findings not present in junctional epidermolysis bullosa….

Differential Diagnosis in Dermatopathology

Discussions

…on rupture, became inflamed. When the inflammatory process is florid, it may eventuate, in years, in pitted or hypertrophic scars or in tenacious sinus tracts of “acne conglobata.” Comedones traditionally have been described as…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Diabetic Dermopathy?

…s as a result of trauma external to skin that overlies anterior tibiae, and those lesions heal with atrophic, hyperpigmented scars that, on examination histopathologic, are seen to consist of sclerosis accompanied by dilated venules in the upper…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…llular hyaline deposits. Extracellular hyalin has been somewhat more difficult to analyze. Collagenous fibrous tissue in old scars may appear hyalinized … In long-standing hypertension and diabetes mellitus, the walls of arterioles, especially in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…ikely a manifestation of an abnormal reactivity of the skin to trauma resulting in formation of linear bands of hypertrophic scars.” Mehregan AH, Heath LE, Pinkus H. Lichen ruber moniliformis and lichen ruber verrucosus et reticularis of…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…ions Scattered but discrete Individual lesions Red macules and papules, purpuric and necrotic papules, vesicles, ulcers, and scars Course Sometimes transient, i.e., weeks, or lesions coming and going for years Variations clinical Pityriasis…

Differential Diagnosis in Dermatopathology

Discussions

…appears many years after therapy had commenced and at the exact site of treatment. The changes seen clinically are atrophic scars, loss of hair, and presence of telangiectases and hyper- and hypopigmentation. Keratoses, known as radiation…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in the subcutaneous fat, a consequence of trauma at this site. Changes similar to those of nodular fasciitis are met with in scars and dermatofibromas, both of which also represent patterns morphologic of fibrosing inflammation in response to…