This case is a 40-year-old woman who was referred to our
hospital three months ago.
She is right-handed, has no allergy, and has no medical
history. Her parents and two sons are all healthy. She was involved in a
traffic accident and hit her head four months ago. She visited a local hospital
and was examined with an MR study. An abnormal signal was detected in her right
parietal lobe. Neurological findings were completely normal when she first
visited our hospital. On the follow-up MR images, which were taken three months
later, the abnormal signal had not changed.
These are the MR images. We can see a lesion in her right
parietal lobe. The lesion is located between the brain's surface and deep white
matter. The margin is unclear, and the surrounding normal structures were a
little compressed by the lesion. Based on these findings, low-grade glioma is
most likely. We should consider encephalitis as a differential diagnosis.
I told her the possibility that the lesion could be a
low-grade glioma, so she wanted to receive an operation to make a histological
diagnosis. She was admitted to our ward today, and the surgical operation is
planned for the day after tomorrow.
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