malignant histiocytosis n.
A rapidly fatal form of lymphoma characterized by fever, jaundice, pancytopenia, and enlargement of the liver, spleen, and lymph nodes.
- Malignant hypertension
malignant hypertension n. Severe hypertension that runs a rapid course, causing necrosis of arteriolar walls and hemorrhagic lesions.
- Malignant hyperthermia
malignant hyperthermia n. Rapid onset of extremely high fever with muscle rigidity occurring during the administration of general anesthesia, precipitated in genetically susceptible persons especially by halothane or succinylcholine.
- Malignant jaundice
malignant jaundice n. Jaundice accompanied by high fever and delirium, seen in severe hepatitis and other extensive diseases of the liver. Also called icterus gravis.
- Malignant lentigo
malignant lentigo n. A precancerous brown or black lesion of the skin, often present in older persons, that appears on areas exposed to the sun, is irregular in shape, and is slow growing. Also called Hutchinson’s freckle.