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…
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…
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…
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…
Fig. 54.1 Complex cyst type 3 (a). CEUS demonstrates thick septa of the cyst (b) Renal clear cell carcinoma is the most common renal malignancy, and it is the lesion…
Fig. 20.1 Traditional convex probe with 3.5 MHz frequency The quality of the images is related to the number, dimensions, and structure of the crystals and to the scan converter….
Fig. 39.1 Epididymal cyst/spermatocele. Longitudinal ultrasonographic image showing an anechoic lesion with well-defined margins in the head of the epididymis (asterisk) Very large epididymal cysts may occasionally be difficult to…
Fig. 35.1 Historical image of transurethral US of the bladder. The picture demonstrates two small intraluminal bladder masses. Bladder wall is easily identified, showing that one of the bladder mass…
Fig. 24.1 Hypoechoic area localized in the peripheral portion of the left prostatic lobe Fig. 24.2 Neoplasm localized in the anterior horn in the left prostatic lobe (Red arrows) Fig….
Fig. 2.1 Grayscale image of normal kidney size and echogenicity. Elementary information given by B-mode includes kidney size, parenchymal thickness, cortical echogenicity, corticomedullary differentiation, and renal profiles. (a) Coronal section…
