Search Results for: scale-crust

Histologic Diagnosis of Inflammatory Skin Diseases

Sarcoidosis

…of sarcoidosis is firm grouped papules and nodules that usually exhibit no signs of alteration of surface epidermis, such as scale or crust. Cutaneous sarcoidosis, however, comes in various visages clinical, e.g., ichthyosiform patches and plaques,…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…onstrued as an inflammatory process because of the marked edema of the papillary dermis, the uneven acanthosis, and the huge scalecrust. At higher magnification, however, the diagnosis of mastocytosis becomes evident; mast cells are predominant….

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphomatoid papulosis

…obscured by the infiltrate of abnormal lymphocytes Spongiosis and spongiotic vesiculation at times Erosion, ulceration, and scalecrust sometimes, the latter at times containing neutrophils Correlation clinicopathologic Papules are formed by…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…usions of cytomegalic disease are found most readily in fibrocytes, histiocytes, and endothelial cells. 10.16.3A: Ulcer with crust + 10.16.3B: Purple inclusions in nuclei of endothelial cells = Cytomegalic inclusion disease The changes…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…eic dermatitis, not only because the biopsy specimen did not come from the face or chest, but because there are no mounds of scalecrust at lips of the infundibular ostium. A subtle “plug” of corneocytes is present in the infundibular…

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

…rmoepidermal within the upper spinous layers, nuclear crowding with atypia in areas especially with excoriation, ulceration, scalecrust, or scarring. Accordingly, in view of the foregoing, it is essential to be knowledgeable of special sites,…

Histologic Diagnosis of Inflammatory Skin Diseases

"Folliculitis" (Infundibulitis)

…mooth infundibular papules in the axillae and periareolar region of women. Seborrheic dermatitis is accompanied by mounds of scalecrust at the lips of infundibular ostia. Rosacea, and its variants, perioral and periocular dermatitis, is affiliated…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…chondrodermatitis nodularis helicis, consist of papules or nodules, and they tend to become eroded, ulcerated, fissured, and crusted, also as a result of the external trauma. As might be expected, the constellation of papular and nodular lesions…