Primary cutaneous follicle centre lymphoma

Definition

A primary lymphoma of the skin composed of various numbers of small and large irregular neoplastic follicle center cells. Its morphologic pattern can be nodular, diffuse, or nodular and diffuse. It presents with solitary or grouped plaques and tumours, and it usually involves the scalp, forehead, or trunk. It rarely involves the legs. This type of cutaneous lymphoma tends to remain localised to the skin, and it has a favorable prognosis.

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