Search Results for: vitiligo

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…sed 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 spots marked by hemorrhage can be produced by trauma as in “…

Histologic Diagnosis of Inflammatory Skin Diseases

Alopecia areata, totalis, universalis

…nd 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 for the condition. Vitiligo is thought to be brought into being by…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

…rm drug eruption, indeterminate leprosy, or an early stage of vitiligo. In such a circumstance, the diagnosis histopathologic given must be descriptive, namely, “perivascular dermatitis, lymphocytic, superficial, sparse,” to which a note…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…hea, 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 tinge. Pink and red lesions are usually inflammatory, excepting…

Dermatology Practical & Conceptual

Regression of nevi in a melanoma patient treated with interferon

…: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 immune response in halo nevi. J Am Acad Dermatol. 1997;37(4):620-…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…pecia areata; 7, dermatitis herpetiformis; 8, scleroderma; 9, vitiligo. Group 3: Those considered in some relation with tuberculosis:            1, erythema induratum; 2, lupus erythematosus; 3, lupus vulgaris; 4, lichen scrofulosorum; 5, various tub…