Imaging Modalities Renal Ultrasound Ultrasound of the kidneys and bladder is the first-line imaging modality for most suspected anomalies of the urinary tract. Renal ultrasound (US) is usually performed with the patient in both the supine and prone positions. Transverse…
Neuroblastoma Overview. Neuroblastoma is the most common extracranial solid neoplasm in children and accounts for almost 10% of all childhood neoplasms. Neuroblastoma arises in the abdomen in two-thirds of cases; of these, about two-thirds of lesions occur in the adrenal…
Normal Adrenal The adrenal glands in the neonate are easily visualized on ultrasonography; they are relatively large because of the presence of the fetal adrenal cortex, which accounts for about 80% of the gland ( Fig. 121.1 ). On ultrasonography,…