Middle cerebral artery aneurysm from TB infection
The present case has been reported in Clinical Case Reports.

A 37‐year‐old woman presented to intensive care unit (ICU) with a headache, nausea and convulsions for 8 hours. One month ago, the diagnosis was confirmed as pulmonary tuberculosis, and there was no abnormality in the head CT at that time.

Regular antituberculosis treatment was given. But the patient gradually developed headache, nausea, and worsened. Analysis of the cerebrospinal fluid (CSF) showed lymphocyte‐dominant pleocytosis, decreased of glucose and chloride, a pressure of more than 330 mm H2O.

Emergency chest CT and cranial CT were performed. For the sake of patient safety, an emergency interventional treatment was given and continued to give regular antituberculosis treatment. After 2 weeks of treatment, the symptoms of headache and nausea disappeared. So far, she is still in follow‐up.

Key Clinical Message
- Aneurysms caused by Mycobacterium tuberculosis infection are a rare disease. For such patients, cerebral artery aneurysm is a rare but evenly fatal lesion that is not diagnosed in time

- combined antituberculosis treatment and surgical intervention provide the best chance of cure

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