Search Results for: collagen

Histologic Diagnosis of Inflammatory Skin Diseases

Dermoepithelial Interface

…atients with recessive and dominant dystrophic kinds of epidermolysis bullosa are responsible for an abnormality in Type VII collagen and immunologic damage to Type VII collagen is the cause of acquired epidermolysis bullosa and bullous lupus…

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

…toscopic polarizing-specific white lines (B), and consistent with the hypothesis that these structures correlate to vertical collagen bands, none of these are seen in the dermatopathologic images although abundant collagen surrounds nests of…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…pidermal rete ridges having been obliterated, or nearly so; what remains of the upper part of the dermis are wiry bundles of collagen arrayed randomly and associated with a relatively sparse infiltrate of lymphocytes. The loss of dermal papillae and…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…seen in rheumatoid arthritis. The presumed sequence of events is small-vessel vasculitis, infarction, marked degeneration of collagen, and palisaded granulomatous inflammation as a foreign body response to the altered collagen. Such events seem to…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Scleroderma?

…Berlin: Springer-Verlag, 1991:553. “The term scleroderma refers to a group of diseases in which there is deposition of collagen in the skin and sometimes other organs as well. It may occur as localized cutaneous disease in which the disorder…

Histologic Diagnosis of Inflammatory Skin Diseases

Reactive perforating collagenosis

…e of severe injury to the upper part of the dermis as a consequence of trauma external. The name “reactive perforating collagenosis” was given because bundles of degenerated collagen seemed, to those who described the condition…