Search Results for: vitiligo

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…increased melanin in the epidermis, as in a freckle, or decreased melanin in the epidermis, as in confetti-sized lesions of vitiligo. Pinpoint purple macules (petechiae) are caused by erythrocytes extravasated in the papillary dermis, and larger…

Histologic Diagnosis of Inflammatory Skin Diseases

Alopecia areata, totalis, universalis

…lb of follicles in alopecia areata, totalis, and universalis, and because of the association at times of alopecia areata and vitiligo, it has been postulated by some students of the subject that cell-mediated immunity is the mechanism responsible…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

…s could represent an expression of a viral exanthem, morbilliform drug eruption, indeterminate leprosy, or an early stage of vitiligo. In such a circumstance, the diagnosis histopathologic given must be descriptive, namely, “perivascular…

Regression of nevi in a melanoma patient treated with interferon

Regression of nevi in a melanoma patient treated with interferon

…stological Correlations. New York, NY: Informa HealthCare, 2008:30-75. 5. Byrne KT, Turk MJ. New perspectives on the role of vitiligo in immune responses to melanoma. Oncotarget. 2011;2(9):684-94. 6. Zeff RA, Freitag A, Grin CM, Grant-Kels JM. The…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…herpes simplex; 4, herpes zoster; 5, eczema (neurotic); 6, alopecia areata; 7, dermatitis herpetiformis; 8, scleroderma; 9, vitiligo. Group 3: Those considered in some relation with tuberculosis: 1, erythema induratum; 2, lupus erythematosus; 3,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…y usually result from loss of pigment. White spot disease, morphea, some of the idiopathic atrophies, syphilitic leucoderma, vitiligo, the peculiar whitish blue of argyria, and depigmented scars are examples. Psoriasis scales have a peculiar silvery…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Langerhans’ Cell Granulomatosis?

…medical colleagues, it was deprecated by others. In 1961 Birbeck et al. found by use of electron microscopy in patients with vitiligo, pentalaminar organelles in the cytoplasm of epidermal Langerhans’ cells (J Invest Dermatol 37:51). In 1965…