Search Results for: lymphocytes

Adult T-cell leukemia/lymphoma: a case report of primary cutaneous tumoral type

Adult T-cell leukemia/lymphoma: a case report of primary cutaneous tumoral type

…igure 3). In the tumoral lesion, in addition to the epidermotropism, there was a sheet of medium and large sized cerebriform lymphocytes in the dermis, with many typical and atypical mitotic figures and destruction of adnexal structures (Figure 4)….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Halo Phenomenon?

…lesion) and not from scrutiny of sections of tissue (i.e., histopathologic) alone. The reason is that patchy infiltrates of lymphocytes are encountered commonly in Clark’s nevi, the overwhelming majority of which are unaffiliated with a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mycosis Fungoides—Increasing in Incidence?

…nfiltrates of lymphocytes associated with wiry bundles of collagen arrayed haphazardly and in the epidermis by foci in which lymphocytes are accompanied by scant spongiosis; lymphocytes disposed as solitary units in some foci in the basal layer;…

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

…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…

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,…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous T-cell lymphoma

…lly developed Dense patchy or diffuse infiltrates of small lymphocytes, plasma cells, neutrophils, eosinophils, and abnormal lymphocytes in lobules of the subcutaneous fat; some abnormal lymphocytes in mitosis common Phagocytosis of erythrocytes…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…lar dermis. At the outset of the process, only a few granulocytes are huddled around venules; near the end of it, only a few lymphocytes are found there. 10.111.5A: Perivascular and interstitial dermatitis + 10.111.5B: Lymphocytes and eosinophils…