Acute Renal Failure in Children
Fig. 21.1 Aspecific hyperechogenicity on US. Sagittal scan of the right kidney. The cortex is thick and hyperechoic (compared to the liver). Biopsy demonstrated evidence for acute tubular necrosis Finally,…
Appendicitis
Fig. 10.1 Normal appendix on US in an 8-year-old-boy. The multilayered structure measures 5 mm in diameter and presents a blind ending (yellow arrow). It has to be demonstrated all…
Imaging Urolithiasis and Their Complications
Fig. 19.1 US of a typical lithiasis. Sagittal scan of the left kidney demonstrating a hyperechoic lithiasis in the lower calices with acoustic shadowing (arrow). The pyelocaliceal system is dilated…
Foreign Bodies
Fig. 26.1 Seven-year-old girl who has swallowed her mother’s earring that is easily recognized on this AP fluoroscopic view. There is no need for a plain radiograph Fig. 26.2 Two-year-old…
Acute Presentations of Splenic Diseases
Infection Leukemia and lymphoma Portal hypertension Acute splenic sequestration in sickle cell anemia Lymphoproliferative diseases Collagenosis Langerhans cell histiocytosis Storage disorders Congestive heart failure Sarcoidosis Fig. 17.1 Splenomegaly—US—Sagittal view of…
Acute Abdominal Presentation of Systemic Diseases and Vasculitis
Fig. 29.1 Twelve-year-old girl who presents typical cutaneous lesions of HSP Fig. 29.2 Seven-year-old-girl presenting acute abdominal pain and vomiting. HSP revealed by a hematoma of the wall of third…
Obstructive Cholestasis and Acute Hepatobiliary Diseases in the Neonate
Fig. 8.1 Choledochal cyst: (a) Prenatal ultrasound at 32 W GA showing the large cyst located in the liver pedicle (arrow) with a normal gallbladder (star). (b, c) Post-natal liver…
Acute Intestinal Intussusception
Fig. 13.1 Acute ileocolic intussusception in a 4-year-old-boy. (a) Transverse US section shows a target appearance (the crescent-in-doughnut sign). (b) Sagittal section demonstrated a multilayered structure giving the appearance of…
At the Boundaries of the Abdominal Cavity
Fig. 30.1 Pneumonia masquerading as abdominal pain in a 7-year-old girl. (a) US of the left upper quadrant, above the diaphragm; hypoventilation of the left lung basis with pleural effusion…
Complications of Renal Graft
Fig. 23.1 Ten-year-old boy, USD follow-up of a kidney transplant. USD reveals segmental thrombosis with absence of peripheral flow of the lower pole of the graft surrounded by an anechoic…
