Fig. 3

The intraoperative of type A APS glioma. A, Preoperative axial T2WI showing type A APS glioma. B, Intraoperative view before resection (1. the orbital part of the inferior frontal gyrus (IFG), 2. superior temporal gyrus (STG), 3. sylvian fissure (SyF), 4. anterior sylvian point (ASyP), 5. the middle frontal gyrus). C, The lateral margin of resection (1. Olfactory tract and olfactory trigone, 2. Tumor). D, Intraoperative view of lenticulostriate artery (1. the planum polare, 2. the early branch of middle cerebral artery (MCA), 3. the M1 segment of the MCA, 4. extraparenchymatous segments of the most lateral lenticulostriate arteries (LSAs), 5. the limen insular). E, The medial and lateral margins of the resection (1. intraparenchymatous segment of the most lateral LSAs, 2. tumor in APS). F, The posterior and superior margins and the lateral margin of the resection (1. the putamen, 2. the head of the caudate nucleus, 3. The lenticulostriate veins, 4. the limen insular). G, Intraoperative view after resection (1. Internal carotid artery, 2. M1, 3. A1, 4.CN II, 5. APS, 6. superior temporal gyrus (STG), 7. the posterior part of the inferior frontal gyrus (IFG), 8. the middle frontal gyrus)