Radiotherapy induced microhemorrhages
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A previously biopsied lesion at the posterior aspect of the left cingulate gyrus. Minor local mass effect only. Diffuse punctate foci of susceptibility are consistent with post treatment change.
This patient has a left cingulate gyrus anaplastic astrocytoma diagnosed 12 years ago treated with radiotherapy. The tumor has been been gradually growing over that time. Prominent changes of radiotherapy are noted conforming to the radiation field with a sharp demarcation.