Contrast medium and its excretion 10 The contrast medium is injected intravenously and is carried in the blood to the kidneys,where it passed into the glomerular filtrate The contrast medium within the glomerular filtrate is concentrated in the renal tubules and then passed into the pelvicaliceal systems Main current indications for IVU 20 The investigation ofrenal calculi The investigation of haematuria The calices should be evenly distributed and reasonably symmetrical. ●The shape of a normal calix is“cupped”and when it is dilated which is “clubbed” ●Ureter.About25cm 3 physiological namrow CT image 15 ●Axial image 。Spiral CT:locus aterial phasecortex of kiney venous phase-renal parenchyma Normal CT Manifestation Techniques used for uterus 20 plain radiograph with contrast media (lodinated Oil )-uterus,fallopiar tube.cervix ●②CT(computed tomography） axial section:Urinary bladder,Uterus,etc. ·③MRl(magnetic resonance imaging） TIWI,homogeneous intermediate-to-low signal intensity Uterine Zonal Anatomy on T2WI Endometrium-high signal intensity similar to fat Junctional zone-low signal Myometrium-intermediate signal intensity Techniques used for prostate gland 15 ·①CT(computed tomography-transection Normal CT manifestation:1 Contrast medium and its excretion ⚫ The contrast medium is injected intravenously and is carried in the blood to the kidneys, where it passed into the glomerular filtrate ⚫ The contrast medium within the glomerular filtrate is concentrated in the renal tubules and then passed into the pelvicaliceal systems Main current indications for IVU ⚫ detailed demonstration of the pelvicaliceal system and ureters ⚫ The assessment of suspected acute ureteric colic ⚫ The investigation of renal calculi ⚫ The investigation of haematuria ⚫ The calices should be evenly distributed and reasonably symmetrical. ⚫ The shape of a normal calix is “cupped” and when it is dilated which is described as “clubbed” ⚫ Ureter: About 25cm ⚫ 3 physiological narrow CT image ⚫ Axial image ⚫ Spiral CT：locus ⚫ arterial phase-cortex of kidney ⚫ venous phase-renal parenchyma ⚫ Normal CT Manifestation Techniques used for uterus ⚫ ①plain radiograph with contrast media（Iodinated Oil ）-uterus, fallopian tube, cervix ⚫ ②CT( computed tomography) ⚫ axial section：Urinary bladder，Uterus，etc. ⚫ ③MRI（magnetic resonance imaging） ⚫ T1WI, homogeneous intermediate -to-low signal intensity ⚫ Uterine Zonal Anatomy on T2WI ⚫ Endometrium-high signal intensity similar to fat ⚫ Junctional zone -low signal ⚫ Myometrium—intermediate signal intensity Techniques used for prostate gland ⚫ ① CT( computed tomography)- transection ⚫ Normal CT manifestation: 10’ 20’ 15’ 20’ 15’