Normal Bladder Wall Thickness on Ultrasound, MRI & CT
Normal bladder wall thickness is <3 mm when distended and <5 mm when non-distended on ultrasound, MRI, and CT imaging.
Genitourinary
22 entries
B
E
Normal Epididymis Resistance Index on Ultrasound
Normal epididymis resistance index on Doppler ultrasound ranges from 0.46 to 0.68, a key parameter for evaluating scrotal pathology.
Normal Epididymis Size on Ultrasound: Key Dimensions
Reference guide to normal epididymis dimensions on scrotal ultrasound, including head, body, and tail measurements for clinical practice.
H
Normal Hydronephrosis Grading: CT, MRI & Ultrasound
Learn the standard 0–4 hydronephrosis grading system on CT, MRI, and ultrasound, including key imaging findings and clinical thresholds for each grade.
K
Normal Kidney Cortex Thickness on Ultrasound and CT
Normal renal cortex thickness ranges from 2.6–10.6 mm on CT and ultrasound; learn measurement technique, clinical thresholds, and key pathologies.
Normal Kidney Diameter Size on Ultrasound, CT & MRI
Normal kidney diameter ranges 9–13.5 cm depending on side; learn measurement thresholds across ultrasound, CT, and MRI for clinical practice.
Normal Kidney Parenchyma Thickness on Ultrasound & CT
Normal renal parenchymal thickness ranges 9.8–21.2 mm on CT and ultrasound; learn measurement technique and clinical thresholds for abnormal findings.
Normal Kidney Size Discrepancy: Ultrasound & CT Reference
Normal maximal diameter discrepancy between left and right kidneys is ≤1.5 cm on ultrasound and CT, per large MDCT reference data.
P
Normal Prostate Dimensions on Ultrasound
Normal prostate dimensions on ultrasound measure approximately 2.8 × 2.8 × 4.8 cm, with values above this threshold suggesting benign or malignant enlargement.
Normal Prostate Volume Size on Ultrasound
Normal prostate volume on ultrasound is up to 30 mL in adults; values above this threshold may indicate benign or malignant enlargement.
R
Normal Renal Artery Velocity Size on Ultrasound
Normal peak systolic renal artery velocity on Doppler ultrasound is less than 200 cm/s, a key threshold for detecting renal artery stenosis.
Normal Renal Diameter Size by Age: Ultrasound & CT
Reference guide for normal average renal longitudinal diameter by age from newborn to 4 years on ultrasound and CT imaging.
Normal Renal Pelvis Size on Ultrasound and CT
Reference ranges for normal renal pelvis diameter on ultrasound and CT, with clinical thresholds for hydronephrosis and key measurement pearls.
Normal Renal Resistive Index Size on Ultrasound
Learn the normal renal resistive index on Doppler ultrasound, its clinical thresholds, and how values above 0.7 suggest obstruction or intrinsic disease.
S
Normal Scrotal Wall Thickness on Ultrasound
Normal scrotal wall maximal thickness on ultrasound measures 2–8 mm, with thickening indicating edema, infection, or inflammatory pathology.
Normal Spermatic Cord Vein Size on Ultrasound
Normal spermatic cord vein diameter is ≤2.2 mm on ultrasound; values above this threshold indicate varicocele graded mild, moderate, or severe.
T
Normal Testicular Appendix Diameter on Ultrasound
Normal testicular appendix diameter measures less than 5 mm on scrotal ultrasound; enlargement beyond this threshold suggests torsion or inflammation.
Normal Testicular Resistance Index Size on Ultrasound
Normal testicular arterial resistance index (RI) on Doppler ultrasound ranges from 0.48 to 0.75, aiding diagnosis of torsion and ischemia.
Normal Testicular Volume Size by Age on Ultrasound
Reference values for normal testicular volume and length on ultrasound from newborn through adolescence, with clinical significance and measurement technique.
Normal Testicular Volume Size on Ultrasound
Normal testicular volume on ultrasound measures less than 15–20 mL in adult males; learn measurement technique and clinical significance.
Normal Testis Size on Ultrasound: Key Dimensions
Learn normal testicular dimensions on ultrasound—4–5 × 2–3 × 2–2.5 cm—and the clinical significance of deviations from these reference values.
U
Normal Ureter Average Diameter on CT, Ultrasound & MRI
Normal ureter average diameter is 1.8 mm ± 0.9 mm on imaging; learn measurement technique and clinical thresholds across CT, ultrasound, and MRI.
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