Congenital Infections
Fig. 8.1 Fetal infection, unspecific signs on fetal MR. Parvovirus infection 25 GW: placental thickening and oligohydramnios (a, b). Toxoplasmosis, 22 GW: ascites (arrow c). Parvovirus infection 23 GW, fetal…
Twin to Twin Transfusion Syndrome
, Fabio Triulzi1 and Andrea Righini2 (1) Department of Neuroradiology, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy (2) Pediatric Radiology and Neuroradiology Department, Children’s Hospital V. Buzzi, Milan, Italy …
Vascular Malformations
Fig. 6.1 Dural sinus malformation. Fetal MR study at 26 GW (a–c) shows a mass at the level of the torcular (arrows) with a diffuse hyperintense aspect on T1-weighted image…
Imaging of Postoperative Spine
Technique Description Stabilization Fusion (spondylodesis) Uniting portions of the spine via instrumentation and/or graft materials. A variety of approaches can be implemented (anterior, lateral, posterior, etc.) Distraction Halo, traction, interfacet,…
Imaging the Postoperative Neck
Fig. 10.1 Illustration of various types of tissue flaps. Fasciocutaneous (A). Musculomucosal (B). Myocutaneous (C). Bowel (D). Bone/osteomyocutaneous (E) Fig. 10.2 Temporalis flap. Axial (a) and coronal (b) T1-weighted MR…
Imaging the Intraoperative and Postoperative Brain
Fig. 5.1 Brain shift. Preoperative FLAIR image (a) shows a hyperintense lesion in the right frontal lobe. Intraoperative FLAIR image (b) shows partial resection of the lesion and a change…
Imaging of the Postoperative Ear and Temporal Bone
Fig. 8.1 The patient has a history of conductive hearing loss due to aural atresia. Lateral scout image (a) shows the BAHA device in position (arrow). Axial CT image (b)…
Imaging of Vascular and Endovascular Surgery
Fig. 12.1 MCA-STA bypass. The 3D MIP MRA (a) and 3D reformatted CTA image (b) show the superficial artery (arrows) entering the craniotomy and anastomosing with the prominent right superficial…
Imaging the Postoperative Scalp and Cranium
Fig. 4.1 Occipital nerve stimulator. The patient has a history of intractable migraine headaches. Frontal (a) and lateral (b) radiographs of the skull show the electrodes situated in the bilateral…
Imaging the Paranasal Sinuses and Nasal Cavity
Fig. 3.1 Cortical bone reconstruction. 3D CT image shows cortical bone graft positioned along the expected site of the nasal dorsum (arrow) and absence of the native nasal bones and…
