motor oil appearance

motor oil appearance

ENT
A term of art referring to a distinctive thickened, brown-green, granular fluid grossly resembling motor oil, which may be expressed from Warthin tumours.
 
Neurology
A descriptive term for the golden-brown greasy, cholesterol-rich fluid present in the cystic spaces of craniopharyngioma, derived from Rathke’s pouch.
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