title: Meningioma associated with a large cyst.
abstract: The case of an adult patient with a small frontoparietal convexity meningioma surrounded by a huge cyst is reported. The cyst fluid had a very high protein content, but there was no distinct cyst wall. Knowledge of the radiological features of this rare condition may prevent confusion with a malignant tumour.
mesh_terms: D001932:Brain Neoplasms / Q000175:diagnosis; D003560:Cysts / Q000150:complications* / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008577:Meningeal Neoplasms / Q000150:complications* / Q000175:diagnosis; D008579:Meningioma / Q000150:complications* / Q000175:diagnosis; D008875:Middle Aged