Renal Neoplasms
Contrast Oral (750 mL of water) and intravenous contrast (120 mL) Noncontrast images ST: 5 mm RT: 0.5 s SA: Top of the liver to bottom of the kidneys Corticomedullary…
Vascular Disorders of the Kidney
Atherosclerosis 60–90 % Age >50 Common in male Fibromuscular dysplasia (FMD) 10–30 % Age 20–50 Common in female Others (rare) <10 % Common in female Vasculitis Takayasu’s arteritis Polyarteritis nodosa…
Renal Calculus Disease
Composition Frequency (%) Men Women Radiopaque stones Calcium oxalate – calcium phosphate 92.1 90.3 Struvite 1.4 5.1 Radiolucent stones Cystine 0.7 1.6 Uric acid 5.5 2.2 Others 0.3 0.7 Adapted…
Neoplasms of the Bladder
Fig. 11.1 Transitional cell carcinoma. IVP shows large filling defect in the left side of the bladder (arrow). Confirmed on postoperative histological evaluation IVP has a low sensitivity of 25…
Neoplasms of the Renal Pelvis and Ureter
Epithelial tumors Benign Malignant Urothelial papilloma and inverted papilloma Urothelial carcinoma (transitional cell carcinoma) Squamous papilloma Squamous cell carcinoma Villous adenoma Adenocarcinoma Nonepithelial tumors Benign stromal tumors Malignant stromal tumors…
Non-neoplastic Disorders of the Renal Pelvis and Ureter
Fig. 7.1 Calyceal diverticula. (a) Ultrasound of the kidney demonstrates anechoic lesions (arrows) suggesting cortical cysts. (b) MR pyelographic phase examination confirms the diagnosis of calyceal diverticula (arrows). (c) Calyceal…
Congenital and Acquired Nonneoplastic Disorders of the Urethra
Anomalies of form Lacuna magna Posterior urethral valve Anterior urethral valve Congenital stenosis Congenital diverticulum Congenital anterior diverticulum Cowper duct dilatation (syringocele) Prostatic utricle Congenital polyps Megalourethra Congenital fistula Anomalies…
Inflammatory Conditions of the Kidney
Renal enlargement Decreased or increased parenchymal echogenicity Minimal dilatation of renal pelvis Loss of normal corticomedullary differentiation Focal, poorly defined mass with variable echogenicity Fig. 2.1 Complicated acute bacterial pyelonephritis…
Cystic Diseases of the Kidney
A. Nongenetic renal cysts 1. Simple cyst 2. Complex cyst 3. Multicystic dysplastic kidney 4. Cystic neoplasia 5. Medullary sponge kidney (MSK) B. Genetic cystic renal diseases 1. Autosomal dominant…
Neoplasms of the Urethra
Fig. 14.1 Male patient. Carcinoma of the bulbous urethra. (a) Voiding cystourethrography shows an irregular stenosis (arrowheads) at the level of the bulbous urethra with marked dilatation of the posterior…
