Estimation of renal plasma flow (GFR/global renal function) Evaluation of renal cortical lesions (pyelonephritis, scarring) Estimation of differential renal function (DRF) Evaluation of urinary drainage, diagnosis of renal obstruction Evaluation…
Fig. 10.1 Optimal evaluation by ultrasound requires identification of the calyceal system, renal pelvis (a), the ureteropelvic junction, and as much of the upper ureter as possible (b). Transverse images…
Fig. 15.1 (a) Normal male VCUG. A prostatic urethra; B membranous urethra; C pendulous urethra; D penile urethra. (b) Normal female urethra on VCUG. (c) Normal male RUG The male…
This is proportional to absorbed radiation dose independent of scan length. CTDIvolume (CTDIvol) is the dose variation in the Z plane related to spatial distance between adjacent scans and table…
Fig. 7.1 Ionizing energy transmission associated with radiation particles (Adapted from “A Small Dose of Toxicology”, with permission) Beta particles, in contrast, are high-energy, high-speed positrons or electrons that emit…
Fig. 1.1 The principal organs and vascular and urinogenital systems of a woman, c. 1507 by Leonardo da Vinci Modern genitourinary tract imaging, however, resulted from the union of two…
Fig. 6.1 A 15-year-old girl with Hodgkin’s disease. Coronal CT (a), PET (b), PET/CT fusion (c), and maximum intensity projection (d) staging images show multiple sites of uptake in the…
Fig. 20.1 A 16-year-old girl with a dysembryoplastic neuroepithelial tumor (DNET) and partial seizures. Sagittal (a) and axial (b) 18F-DOPA–PET/MRI fusion images show no significant radiotracer accumulation by the right…
Fig. 12.1 (a, b) Whole-body123I-MIBG scan of a patient with stage IV neuroblastoma. The scan was performed before treatment was started Fig. 12.2 The same patient as in Fig. 12.1….
Fig. 8.1 A 17-year-old boy with Ewing’s sarcoma of the left pelvis, with extension into the iliac bone, acetabulum, gluteus, and piriformis muscles. As the patient suffered intense pain in…
