Canine histiocytoma, histiocytosis or histiocytic sarcoma; what happens when histiocytes go wrong?*

Canine histiocytoma, histiocytosis or histiocytic sarcoma

Histiocytic diseases are a group of conditions that are commonly observed in dogs and rarely in cats. They can be grouped as non-neoplastic and neoplastic, malignant and non-malignant. Gathering pertinent information regarding diagnosis, prognosis and treatment can be challenging but is important, as treatment and outcome vary widely depending on the final diagnosis.