Tips and Traps
and Laurence Loeuillet2 (1) Centre d’échographie Ambroise Paré, Les Mureaux, France (2) Hôpital Cochin, Paris, France Choosing the Right Route of Approach It is important for sonographers to be familiar…
Brain Biometrics
and Laurence Loeuillet2 (1) Centre d’échographie Ambroise Paré, Les Mureaux, France (2) Hôpital Cochin, Paris, France Brain biometrics is a vital part of the examination of the fetal brain. Many…
Biometric Tables
and Laurence Loeuillet2 (1) Centre d’échographie Ambroise Paré, Les Mureaux, France (2) Hôpital Cochin, Paris, France Table 8.1 Measurements of biparietal diameter (SA ± 3J) BIP p3 BIP p10 BIP…
Imaging of Sacral Tumors and Tumor Simulators: Experience of the Mayo Clinic
No Neurogenic tumors Benign neurofibromas schwannomas Malignant peripheral nerve sheath tumor Good Giant cell tumor Comes Chordoma Benign notochord cell tumor (BNCT) Of Osteoblastoma A Aneurysmal bone cyst (ABC) Sacral…
Histopathology of Sacral Tumors and Pseudotumors
Diagnosis Cases Primary malignant tumors Chordoma 172 Undifferentiated high-grade pleomorphic sarcoma 27 Chondrosarcoma 18 Ewing Sarcoma 12 Small blue round cell tumor 9 Osteosarcoma 11 Malignant peripheral nerve sheath tumor…
Computer Navigation in the Sacrum
Fig. 22.1 (a) Optical Tracking System. (b) Optical Tracking System placed over the head of the bed for optimal “line of sight” Fig. 22.2 Tracker attached to the pelvis with…
Sacral Biomechanics and Reconstruction
Fig. 23.1 Sacrectomies performed above the S1 neural foramen (a) were found to be unable to withstand postoperative mobilization compared to osteotomies performed below the S1 level (b). Due to…
Imaging of Sacral Tumors: Experience of the Rizzoli Institute
Fig. 5.1 Sacral chordoma in a 55-year-old woman. (a, b) Axial and sagittal CT scan. Large osteolytic lesion arising in the midline from the lower sacrum. The mass shows low…
Chordoma of the Sacrum
Fig. 15.1 Artistic drawings show embryogenesis of the vertebral column: primary neurulation. (a) Shaping. Schematic transverse sections showing neuroectodermal tissues differentiate from the ectoderm and thicken into the neural plate…
Soft Tissue Reconstruction Following Sacrectomy
Fig. 24.1 During an anterior exposure, the omentum is easily accessible and significant mobilization can be acheived through the anterior laporotomy incision (a). Following removal of a tumor, there is…
