The Seminal Vesicles: Normal and Pathological Pictures
Fig. 25.1 TRUS: normal seminal vesicle (SV) (right image) and ejaculatory duct (arrows, left image) Fig. 25.2 Axial plan (a) and oblique longitudinal plan (b) of normal seminal vesicles (SVs)…
UROLOGY
Penile Trauma and Priapism
Fig. 48.1 Penile fracture of the right corpus cavernosum. (a) Axial T2-weighted scan shows the lesion as a ventral interruption (arrowhead) of the low-signal-intensity tunica albuginea. There is an associated…
HistoScanning
Cell features Tissue features Cell density Vascularization Cell irregularities Elasticity Water content Fig. 51.1 Principle of ‘backscattered ultrasound’ in a heterogeneous medium 51.2 Method of Examination and Imaging Processing The…
Varicocele
Grade 1 Varicocele is detectable by palpation only during Valsalva maneuver Grade 2 Varicocele is detectable by simple palpation Grade 3 Varicocele is visible on inspection and palpation Since clinical…
Functional Ultrasound Study of the Upper Excretory Tract
Fig. 17.1 Normal conditions; no evident modifications of the intrarenal excretory tract after the administration of a diuretic challenge test Increased pyelocalyceal diameters with a return to basal conditions within…
Fiducial Marker Implantation in Prostate Radiation Therapy
Fig. 30.1 Local recurrence (10 mm) after radical prostatectomy, confirmed by histology (a). After single fiducial marker implantation (gold, 12 mm) (b). The same case, after 5 years (c) with…
Interventional Ultrasound: Renal Biopsy
Fig. 12.1 Manual-gun biopsy device; the three parts of the Franklin-modified Vim-Silverman needle: the outer sheath, the obturator, and the cutting prongs Fig. 12.2 Automated-gun biopsy device In the classic…
The Testicles: Solid Lesions
Fig. 40.1 Seminomas with different ultrasonographic appearance. (a) Small hypervascular, hypoechoic lesion (asterisk). (b) Large tumor involving most of the testis. (c) Two hypoechoic, hypervascular nodules in the same testis…
Interventional Ultrasound: US-Guided Puncture of the Bladder
Fig. 29.1 Ultrasound probe with puncture adaptor The bladder must be well distended to ensure an optimal view (more than 300 ml), so that the bladder dome is palpable at…
Interventional Ultrasound: Positioning Nephrostomy
Fig. 14.1 Brodel’s avascular plane Before positioning the patient and individuating the point of access, it is important to check that the operative trolley contains all the instruments needed to…
