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Jessner lymphocytic infiltrate of the skin is a cutaneous condition characterized by a persistent papular and plaque-like skin eruption which can occur on the neck, face and back and may re-occur. This is an uncommon skin disease and is a benign collection of lymph cells. Its cause is not known and can be hereditary.
Lymphoid hyperplasia is the rapid proliferation of normal lymphocytic cells that resemble lymph tissue which may occur with bacterial or viral infections. [1] The growth is termed hyperplasia which may result in enlargement of various tissue including an organ, or cause a cutaneous lesion .
Cutaneous lymphoid hyperplasia with bandlike and perivascular patterns; Cutaneous lymphoid hyperplasia with nodular pattern (nodular pattern of cutaneous lymphoid hyperplasia) Diffuse large B-cell lymphoma (primary cutaneous large B-cell lymphoma) Granulocytic sarcoma (chloroma, myeloid sarcoma) Granulomatous slack skin; Hairy-cell leukemia ...
Nodular pattern of cutaneous lymphoid hyperplasia; Non-mycosis fungoides CD30− cutaneous large T-cell lymphoma; Non-mycosis fungoides CD30− pleomorphic small/medium sized cutaneous T-cell lymphoma; Non-mycosis fungoides CD30- pleomorphic small/medium sized cutaneous T-cell lymphoma; Nonspecific cutaneous conditions associated with leukemia
Lymphoproliferative disorders are a set of disorders characterized by the abnormal proliferation of lymphocytes into a monoclonal lymphocytosis. The two major types of lymphocytes are B cells and T cells, which are derived from pluripotent hematopoietic stem cells in the bone marrow.
Mild superficial perivascular infiltrate of lymphocytes, histiocytes and occasional neutrophils. There is some exocytosis of inflammatory cells but not as prominent as in nummular dermatitis; Typical findings: [5] Psoriasiform hyperplasia, initially slight, with mild spongiosis; Usually numerous yeast-like organisms in the surface keratin
Cutaneous B-cell lymphomas (CBCL), more recently termed Primary cutaneous B-cell lymphomas and lymphoproliferative disorders (PCBCLPD), are a group of disorders that typically present as skin lesions consisting of proliferating B-cells. B-cells are a type of lymphocyte involved in regulating immune responses.
In immunology, immunoproliferative disorders are disorders of the immune system that are characterized by the abnormal proliferation of the primary cells of the immune system, which includes B cells, T cells and natural killer (NK) cells, or by the excessive production of immunoglobulins (also known as antibodies).