Cerebral manifestations of non-Hodgkin and Hodgkin lymphomas in computerized tomography

Primary or secondary cerebral non-Hodgkin-lymphoma or Hodgkin's disease are very rare. The incidence varies from 0,2 to 4%. There is a predilection for the basal ganglia, corpus callosum, thalami and subependymal regions. Hodgkin's disease involving the brain usually infiltrates from the meninges. Solitary tumors are rare, multifocal tumors are extremely unusual. The typical CT appearances of intracranial lymphomas are described in three cases. These consist of isodense or hyperdense intracerebral lesions with marked increase in density on contrast enhancement. Periventricular tumor expansion in NHL is characteristic. (orig.)