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…

The relevance of recognizing clinical and morphologic features of pityriasis lichenoides: clinicopathological study of 29 cases

The relevance of recognizing clinical and morphologic features of pityriasis lichenoides: clinicopathological study of 29 cases

…linical improvement and adherence to prescribed treatment. Follow-up was abandoned in 38% of patients; this also occurred in vitiligo patients in an earlier study at the same service [15], probably reflecting a characteristic peculiar to the type of…

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…

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,…