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Figure 3 | Critical Care

Figure 3

From: Noninvasive intracranial pressure estimation by orbital subarachnoid space measurement: the Beijing Intracranial and Intraocular Pressure (iCOP) study

Figure 3

Oblique magnetic resonance image of the optic nerve/sheath complex (coronal T 2 -weighted fast-recovery fast spin-echo sequence (T2WI-FRFSE) with fat suppression; digital field of view = 4, window width = 2,000, window level = 1,000), taken at 3 mm (Figure A1, B1, C1, and D1), at 9 mm (Figure A2, B2, C2, and D2), and at 15 mm (Figure A3, B3, C3, and D3) behind the globe. Figure A1 to 3: A 70-year-old woman with spontaneous intracranial hypotension; lumbar ICP value was 3.7 mm Hg. Figure B1 to 3: A 39-year-old man with head injury; lumbar cerebrospinal fluid pressure was 8.5 mm Hg. Figure C1 to 3: A 33-year-old man with peripheral neuropathy; lumbar cerebrospinal fluid pressure was 16.2 mm Hg. Figure D1 to 3: A 40-year-old man with idiopathic intracranial hypertension; lumbar cerebrospinal fluid pressure was 24.3 mm Hg.

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