Search Results for: scale-crust

Histologic Diagnosis of Inflammatory Skin Diseases

Sarcoidosis

…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, widespread erythema, subcutaneous nodules, scarring alopecia, an…

Histologic Diagnosis of Inflammatory Skin Diseases

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

…e: Compact orthokeratosis sometimes with focal parakeratosis; scalecrusts and erosions if scratching accompanies rubbing Ostia of infundibula and of eccrine ducts often dilated by cornified cells arranged compactly Hypergranulosis, especially promin…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…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. The presence of eosinophils is attributable to trauma to the mast…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphomatoid papulosis

…ven spongiotic vesiculation at times Erosion, ulceration, and scalecrust at times, the latter sometimes having neutrophils Monomorphous type, fully developed Wedge-shaped, superficial and deep, perivascular and interstitial monomorphous infiltrate o…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…tes, 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 cytopathologic in endothelial cells pictured are diagnostic of infection by c…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…me 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 canal. Clinically, the patient had Fox-Fordyce disease. 10.39.3A:…

Histologic Diagnosis of Inflammatory Skin Diseases

"Folliculitis" (Infundibulitis)

…n 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 often with small nodular infiltrates, sometimes granulomatous, i…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…les, 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 just enumerated shares similarities histopathologic. The denominato…