Search Results for: granuloma

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Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat: Panniculitis

…lt by an arthropod. The erosion covered by crust represents the actual site of the “bite.” Figure 5.393 A&B. Granuloma annulare: dermal only. Granuloma annulare, typified by lymphocytes around venules and histiocytes in palisaded…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…is pathognomonic for any disease. Figure 3.17 Patterns of granulomatous inflammation. A. Sarcoidal granuloma. B. Tuberculoid granuloma. C. Palisaded granuloma. D. Suppurative granuloma. A fifth pattern is interstitial granuloma. Figure 3.18 A….

Histologic Diagnosis of Inflammatory Skin Diseases

Study By Disease

…l exanthem (Quiz #822) Vitiligo (Quiz #502) Wegener’s granulomatosis (Quiz #890) X-linked ichthyosis (Quiz #501) Xanthogranuloma (Quiz #106) Xanthogranuloma (Quiz #735) Zitelli’s nevus (superficial and “deep” congenital…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Perforating Diseases?

…ag?nome perforant verruciforme Collagen damaged by intralesional steroid Perforating porokeratosis of Mibelli Elimination of Granulomatous Process Granuloma annulare Necroiosis lipoidica diabeticorum Rheumatoid nodule Sarcoid Lichen nitidus…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…apparent that striking histopathologic differences permit distinction readily among necrobiosis lipoidica, necrobiotic xanthogranuloma, granuloma annulare, and rheumatoid nodule. Those “necrobiotic” disorders do not belong together any…

Histologic Diagnosis of Inflammatory Skin Diseases

Interstitial granulomatous dermatitis with arthritis

…tiocytes at the periphery of such foci being arrayed in a palisade. That constellation of findings, known as a Churg-Strauss granuloma, is not specific for interstitial granulomatous dermatitis with arthritis; it may be encountered in a variety of…

Differential Diagnosis in Dermatopathology

Discussions

…ermatitis with arthritis seems to be distinctive, clinically, histopathologically, and biologically, and wholly unrelated to granuloma annulare. It, like granuloma annulare, is a singular pattern morphologic brought about by different causes. Not…

Differential Diagnosis in Dermatopathology

Discussions

…from fibrosis. In short, fibroplasia is an important element of papular mucinosis, but it is not an accompaniment at all of granuloma annulare. Because granuloma annulare is truly granulomatous (histiocytes predominate in foci), unlike papular…

Differential Diagnosis in Dermatopathology

Discussions

…ormidable late in the course of rheumatoid nodule. Rheumatoid nodule usually extends deep into the subcutaneous fat, whereas granuloma annulare does not. In subcutaneous granuloma annulare, vasculitis of small vessels in the form of fibrin in the…

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