2. Spratt DI, O’Dea LSL, Schoenfeld D, Butler J, Rao PN, Crowley Jr WF. Neuroendocrine-gonadal axis in men: frequent sampling of LH, FSH, and testosterone. Am J Physiol. 1998;254:E658–66. 3….
Reliability: a description of how well repeated measurements of the same parameter, with the same instrument, agree with one another Inter-rater reliability: a description of how well measurements of the…
Fig. 6.1 Simplified endocrinology of the prostate. Luteinizing hormone-releasing hormone (LHRH) from the hypothalamus stimulates the anterior pituitary to secrete luteinizing hormone (LH), which stimulates the Leydig cells of the…
Fig. 1 Patient is placed in a supine position with a towel placed under the scrotum Fig. 2 Patient positioning: the phallus is positioned up on the pubis, held by…
Fig. 1 Longitudinal waves. The expansion and contraction of piezoelectric crystals caused by the application of alternating current to the crystals causes compression and rarefaction of molecules in the body…
Fig. 1 Image showing both testes (single screen) Fig. 2 Left testicular measurements with the split screen: longitudinal view on left and transverse view on right Fig. 3 Right testicular…
Fig. 1 Primordial germ cells at their location in yolk-sac as they begin their migration (a). The primordial germ cells migrating through the mesentery to the genital portion of the…
This concept of a Doppler shift is used to measure blood flow velocity whereby the shift in sound-wave frequency is detected by the ultrasound transducer after encountering active blood flow….
Fig. 1 Penile blood flow scoring system devised by Malvar et al. [24]. Each artery was evaluated. 0 points were given for “no flow,” 1 point for a “low pitched…
Physicians performing and/or interpreting diagnostic examinations should meet at least one of the following criteria Completion of an approved urologic residency which includes training in ultrasound since July 1, 2009…
