Search Results for: scale

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…erface, lichenoid + 10.25.4B: Predominance of lymphocytes and scale-crust atop an erosion = Lichenoid drug eruption Even at scanning magnification, a determination can be made that the diagnosis is not lichen planus, the evidence against it being the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…lor in the upper part of the viable epidermis in company with scale-crust = Necrolytic migratory erythema Findings identical with these are seen in acrodermatitis enteropathica, pellagra, Hartnup’s disease, kwashiorkor, and maple syrup disease….

Histologic Diagnosis of Inflammatory Skin Diseases

Elastosis perforans serpiginosa

…. Tinea corporis has a border marked either by vesicles or by scales, sometimes collarettes of them. Porokeratosis of Mibelli usually is unilateral and is marked by a prominent keratotic border. Findings histopathologic Fully developed Superficial pe…

Dermatology Practical & Conceptual

Dermoscopic findings in reactive perforating collagenosis

…is forming a tunnel filled with cellular debris, covered with scale-crust. Thick collagen fibers were observed perforating through this tunnel. The area of perforation was not connected to the hair follicles. The dermis showed proliferation of small…

Histologic Diagnosis of Inflammatory Skin Diseases

Pityriasis alba

…s, neck, and arms as well-defined macules covered by delicate scales. Findings histopathologic Fully developed Sparse superficial perivascular infiltrate of lymphocytes Very slight spongiosis in foci; lymphocytes in those foci Slight focal parakerato…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…when linear, is red, and lesions are covered by a gray-white scale. An inflammatory linear verrucous epidermal nevus usually is present at birth or appears within the first few years of life, and lesions resemble those of linear psoriasis. Clinical…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Figurate Erythemas?

…elevated and red, is typified further by tiny collarettes of scale positioned along its inner margin. Advancing lesions leave in their wake degrees variable of hyperpigmentation. Biopsy of the scaly portion of the rim of a lesion of erythema annular…

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

…d-cell infiltrates that extend throughout much of the dermis; scale-crusts represent collections of neutrophils and serum in zones of parakeratosis; warty appearance derives from papillated or verrucous surface epidermal and infundibular epidermal (p…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Ichthyoses?

…proposed. Ichthyosis vulgaris patients have dry skin and fine scales on their trunk and extremities, but gross changes in the skin of their legs may be more severe. A granular layer is histologically absent. Lamellar ichthyosis patients have large, c…