(Mag. 66K). Control case #8889, from the period of the EL epidemic. Diagnosis: dural epithelioma. An image is presented here of a neuron, demonstrating the severe degree of necrosis that was the result of the lack of refrigeration at that time. Other than severely damaged mitochondria (M), no cellular components are distinguishable. Arrow indicates artifact of TEM. NM = nuclear membrane, N = nucleus, C = cytoplasm M = mitochondria. Bar = 0.42 μm.