Histiocytosis overview

In medicine, histiocytosis is an excessive number of histiocytes,that is an excessive number of tissue macrophages, and is typically used to refer to a group of rare diseases which share this as a characteristic. Occasionally and confusingly it is sometimes used to refer to individual diseases. Histiocytosis (and malignant histiocytosis) are both important in veterinary as well as human pathology.

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