Neupsy Key

Fig. 21.1 Nonoperative Chiari 1 case (a). Sagittal T2W MRI image shows a Chiari 1 malformation. CSF flow artifact is evident dorsally to the spinal cord. Note that the spinal…

An individual with 2 or more of the following signs is considered to have NF1: 1. 6 or more café-au-lait macules (must be greater than 5 mm in greatest diameter…

Fig. 8.1 A 1-day-old infant diagnosed prenatally with open neural tube defect and ventriculomegaly. The lesion is located at the lumbosacral junction and a closer look depicts split placode (arrow…

Fig. 23.1 CT angiogram (a) and 3-dimensional reconstruction (b) showing a giant (2.5 × 2.7 cm) anterior communicating artery aneurysm (arrow). Peripheral thrombus can be seen in the CTA. This aneurysm was…

Fig. 3.1 Lateral skull radiograph in an infant Figure 3.1 represents an example of a/an (a) Cephalohematoma   (b) Subgaleal hematoma   (c) Epidural hematoma   (d) Caput succedaneum  …

CSF based Blood based Bone based Parenchyma based Hydrocephalus from Hemorrhage Marrow expansion (thalassemia) Megalencephaly (true parenchymal expansion) –Neoplasm –Trauma Hyperphosphatasia –Metabolic dysregulation of storage and degradation –Cysts –Intraventricular hemorrhage…

Fig. 6.1 Superior view of normal skull including the major bones, sutures, and fontanels The fontanels are fibrous connective tissues located between multiple cranial bones (Fig. 6.1). Newborns have six…

Fig. 11.1 Coronally oriented head ultrasound scan . Note the blood in the left germinal matrix region, within the frontal horn of the left lateral ventricle and within the left…

Fig. 17.1 Ventriculomegaly secondary to aqueductal obstruction is manifest in this fetus as triventricular hydrocephalus. (a) Sagittal and axial (b) views Workup When fetal ventriculomegaly is diagnosed or suspected, detailed…

Fig. 26.1 Clinical signs of basal skull fractures . (a) Periorbital ecchymosis or “raccoon eyes.” (b) Hemotympanum, or presence of blood within the middle ear, as seen through an otoscope….