PMC5836211_01
a, b MRI axial FLAIR image and coronal T2-weighted image showing a heterogeneous signal intensity lesion attached to the septum pellucidum. c, d Postoperative MRI axial T1-weighted and coronal T2-weighted images showing total lesion removal.
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F1
MRI showed a 3-cm lesion with heterogeneous signal intensity and no contrast enhancement suggestive of cavernoma (Fig. 1). She remained asymptomatic with no recurrence after 1 year (Fig. 1).
a Neuroendoscopic view of the CA. b, c CA relationship to adjacent anatomical structures. d Microsurgical view of the septum pellucidum after lesion removal (arrow). CA, cavernous angioma; SV, septal vein; C, clot; TSV, thalamostriate vein; CP, choroid plexus; FM, foramen of Monro.
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F2
After the inspection of the cavernoma and the surrounding ventricular structures (Fig. 2), the Gaab endoscope was withdrawn and the cortical trajectory temporarily closed with a haemostatic absorbable gelatin sponge (Gelfoam , Pfizer, Kalamazoo, MI, USA).