Search Results for: lymphocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Traction alopecia

…base of a follicle, rather than along the infundibulum mostly, the fibroplasia around infundibula and follicles is joined by lymphocytes, rather than lymphocytes in a band being separated from those epithelia by a zone of fibroplasia, and fibrous…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…distinguishable from one another histopathologically. 10.2.10A: Vesicular dermatitis, intraepidermal, spongiotic + 10.2.10B: Lymphocytes and eosinophils in spongiotic foci = Nummular dermatitis, fully developed The infiltrate of lymphocytes and…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen sclerosus et atrophicus

…phicus, fundamentally, is an interface dermatitis that begins vacuolar, soon becoming subtly lichenoid with near monopoly of lymphocytes, but many months or years later becomes vacuolar once again with only a few lymphocytes sprinkled along the…

Differential Diagnosis in Dermatopathology

Discussions

…lesions may yield the data needed. Changes in the epidermis that are specific for a patch of mycosis fungoides are too many lymphocytes in the context of too little spongiosis, lymphocytes in the epidermis larger than those in the dermis,…

Differential Diagnosis in Dermatopathology

Discussions

…ulceration of the epidermis, edema and hemorrhage in the papillary dermis, a mixed-cell infiltrate within which are abnormal lymphocytes with cerebriform nuclei, and lymphocytes in mitosis. Some lesions are marked by binucleate or multinucleate…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…: Vesicular dermatitis, subepidermal, lymphocytes predominant + 10.28.6B: Dense perivascular and interstitial infiltrates of lymphocytes mostly, fibrin in association with lymphocytes in the subepidermal blister, and a rare eosinophil in the dermis…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Parapsoriasis?

…iated with wiry bundles of collagen arrayed haphazardly in the upper part of the dermis, by an epidermis peppered in loci by lymphocytes in conjunction with scant spongiosis, by lymphocytes disposed as solitary units in the basal layer in some foci,…