Scrotum: Ultrasound Anatomy and Scanning Methods

Jul 10, 2017 by in UROLOGY Comments Off on Scrotum: Ultrasound Anatomy and Scanning Methods

Fig. 38.1 B-mode transverse comparative scan is mandatory to compare size and echogenicity of both testes Transverse and longitudinal scans of epididymis (short and long axis) Longitudinal scan of inguinal…

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Interventional Ultrasound: Biopsy of Renal Masses

Jul 10, 2017 by in UROLOGY Comments Off on Interventional Ultrasound: Biopsy of Renal Masses

Fig. 13.1 Local anesthesia 13.4.3 Radiological Guidance Biopsies can be performed under ultrasound, CT, or MRI guidance. The choice of the imaging guidance depends on the operator’s experience and habits,…

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Penile Trauma and Priapism

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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HistoScanning

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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Varicocele

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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Functional Ultrasound Study of the Upper Excretory Tract

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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Interventional Ultrasound: Renal Biopsy

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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The Testicles: Solid Lesions

Jul 10, 2017 by in UROLOGY Comments Off on 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…

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