Renal Tumors
Fig. 1.1 Small RCC discovered incidentally on CT. (a) Contrast-enhanced CT shows a 2.4 cm-sized, hypervascular mass (arrow) in the left kidney. (b) The diameter of the mass increased as…
Prostatic Tumors
Fig. 3.1 Schematic drawing of prostate. Sagittal (a) and coronal (b) schematic drawings of prostate show anterior fibromuscular stroma (A), transitional zone (T), central zone (C), and peripheral zone (P)….
Urothelial Tumors
Fig. 2.1 A 69-year-old man with bladder cancer. (a) Axial US image of the bladder shows a lumen protruding mass (arrows) in the right lateral wall of the bladder. (b)…
Adrenal Tumors
Fig. 5.1 Lipid-rich adenoma in a 69-year-old man. Unenhanced CT image shows a left adrenal mass (arrow) which is measured 1 HU, consistent with a lipid-rich adenoma Subsequent studies have…
Retroperitoneal Tumors
Fig. 6.1 Schematic diagram of retroperitoneal anatomy at the level of the kidneys. The retroperitoneum is subdivided into the three distinct compartments: the anterior pararenal (APS), the perirenal (PRS), and…
Tumors of the Male Genitalia
Fig. 4.1 Normal MR imaging of the scrotum. (a) On T2-weighted sagittal image through the right scrotum, the epididymis (arrowheads) shows low signal intensity compared to the high signal intensity…
Children’s Kidney and Urinary Tract Congenital Anomalies
Cause Transient hydronephrosis Physiologic hydronephrosis UPJS VUR Megaureter (obstructed and nonobstructed) MCDK Ureterocele Renal cysts Ectopic ureter Prune belly syndrome Urethral atresia Urachus cysts Extrarenal causes Ovarian cyst Hydrocolpos Sacrococcygeal…
The Testicles: Trauma, Inflammation and Testicular Torsion
Fig. 41.1 At longitudinal greyscale ultrasound evaluation, the right twisted testis appears enlarged and oedematous with initial diffuse hypoechogenicity compared to the left healthy testis After 4 h, the testis…
Ultrasound-Guided Treatment of Prostate Cancer: High-Intensity Focused Ultrasound
Fig. 32.1 Prof. W. Fry In the 1980s, Lizzi proposed a machine that used focused ultrasound for the treatment of glaucoma and intraocular neoplasms (which was rapidly substituted by a…
Cystic Diseases of the Kidney
US renal cyst classification 1. Simple 2. Complex or atypical Calcification Septa Intracystic lesion and wall thickness 3. Cysts of the renal sinus Parapelvic Peripelvic Table 4.2 Cystic kidney diseases…
