Pneumocephalus after spinal surgery
Headaches. On the third postoperative day after lumbar spinal fusion surgery.
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Appearance and density of the brain parenchyma are normal. Ventricular system and cisternal spaces appear normal. No evidence of intracranial space occupying lesion is detected. There is no shift of the midline structures. Two small extra-axial pneumocephalus bubbles are present adjacent to the right frontal lobe. The visualized orbits, paranasal sinuses and calvarium appear unremarkable.
It is hard to correlate a headache unequivocally to those tiny pneumocephalus bubbles. This case is important to underline that this condition can be found after not only cranial surgeries but also after spinal manipulations such as lumbar puncture or surgery.