Fig. 13.1 Images of a breast cancer patient with multiple metastatic lesions. (a–d) Preoperative axial T1-weighted, contrast-enhanced MRIs demonstrating posterior fossa lesions and multiple supratentorial lesions. This patient had mild…
Fig. 2.1 Skull model with parietomastoid and occipitomastoid sutures identified and labeled A burr hole placed just anterior to the asterion typically exposes the junction of the transverse and sigmoid…
Fig. 5.1 Head positioning incorporates four movements: anteroposterior flexion to expose the suboccipital region; contralateral flexion to bring the vertex away from the shoulder; contralateral rotation to make the suboccipital…
Fig. 12.1 Axial (a), coronal (b), and sagittal (c) CT scans of the brain demonstrating a hypodense lesion located at the left CPA angle. Note the supratentorial extension of the…
Fig. 4.1 The skin incision is made starting from the zygomatic arch approximately 1 cm anterior to the tragus and extending superiorly just behind the hairline. The incision curves posteriorly…
Fig. 7.1 Case illustration of removal of petroclival tumor via the retrosigmoid approach. (a, b) Coronal T1-weighted MRI with gadolinium demonstrating large petrotentorial tumor. (c) Axial T1-weighted MRI with gadolinium…
Fig. 6.1 Recurrent chordoma in a 61-year-old male patient. Patient underwent an upper and middle transclival EEA to remove the tumor (red arrows). A small dural invasion and opening into…
(2.1) For the analysis of fMRI data, the given data Y i at time index i is (2.2) where x i1 ,…, x ik is the combined effect of k…
Fig. 1.1 Conceptual relationship between the acupoint, organ, and brain. The acupuncture effect can be evaluated via functional magnetic resonance imaging (fMRI). TCM traditional Chinese medicine 1.2 Principles of fMRI…
Fig. 4.1 Electrode positions and labels according to the 10–20 electrode placement system. Black circles indicate positions of the original 10–20 system, gray circles indicate additional positions introduced in the…
