case_images: PMC10505012_01
case_images: Preoperative patient photo.
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case_images: Upon examination of the patient, there is a giant 40cm by 35cm cystic, transilluminating to light, tender, occipital area mass on the area of the torcula of the sinuses (see Figure 1).
case_images: Preoperative patient MRI images: t2 hyperintense sac content which is a CSF with small t2 hypointense sac content which is a brain parenchyma, post contrast image showing the torcula, venous sinuses.
case_images: IMCRJ-16-529-g0002.jpg
case_images: PMC10505012_01_IMCRJ-16-529-g0002.jpg
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case_images: The patient was then investigated with a CBC, blood group, renal and liver function tests that were in normal range, and brain MRI revealed a huge occipital T1 hypointense and T2 hyperintense sac content with multiple flow voids showing torcula, superior sagittal sinus, and transverse sinus, and a part of right occipital lobe brain tissue with a bone defect at the base of the sac (see Figure 2).
case_images: Postoperative patient photo.
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case_images: PMC10505012_01_IMCRJ-16-529-g0003.jpg
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case_images: After that, the skin was trimmed and closed in two layers (Figure 3).