Kidneys | Radiology Reference Article | Radiopaedia.org
2024年8月21日 · Size In adults, the normal kidney is 10-14 cm long in males and 9-13 cm long in females, 3-5 cm wide, 3 cm in antero-posterior thickness and weighs 150-260 g. The left kidney is usually slightly larger than the right.
Normal kidney size in adults | Radiology Reference Article ...
2023年1月19日 · Normal kidney size in adults is closely related to height, but weight, body mass index (BMI), age, and ethnicity can also influence this 4. Kidney dimensions are typically measured sonographically and used to calculate estimated volume.
Normal kidney size in adults | Radiology Reference Article ...
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Normal kidney size (children) | Radiology Reference Article ...
2023年11月1日 · The normal size of kidneys in children follows a growth curve and is closely related to the age and size of the child. Ethnic differences have also been shown, which may be an important consideration when interpreting measurements against a reference range 4 .
Hydronephrosis | Radiology Reference Article - Radiopaedia.org
2024年2月13日 · Hydronephrosis (plural: hydronephroses) is defined as dilatation of the urinary collecting system of the kidney (the calyces, the infundibula, and the pelvis) 1. Hydronephrosis in fetuses and newborns has specific causes that are covered in a separate article.
Urolithiasis | Radiology Reference Article | Radiopaedia.org
2024年7月20日 · The composition of urinary tract stones varies widely depending upon metabolic alterations, geography, and presence of infection, and their size varies from gravel to staghorn calculi. The more common composition of stones include (more detail below): calcium oxalate +/- calcium phosphate: ~75%. struvite (triple phosphate): 15%
Bosniak classification system of renal cystic masses (version 2005)
2024年8月21日 · Usage. Radiologists and urologists widely use the Bosniak classification for assessing renal cysts 3 and was last updated in 2005 12.An updated classification, Bosniak v2019, has been published, including separate CT and MRI-based classification 11. The Bosniak classification version referred to in international guidelines is variable, with the 2022 European …
Fetal pyelectasis | Radiology Reference Article - Radiopaedia.org
2024年8月21日 · duplex kidney. Radiographic features Ultrasound. Fetal pyelectasis is assessed as an AP measurement of the renal pelves on an axial plane ultrasound image. According to the Society of Fetal Urology (SFU) consensus 15, fetal pyelectasis is considered present if the anterior to posterior diameter of the renal pelvis measures: >4 mm up to 28 weeks or
Renal cell carcinoma (TNM staging) - Radiopaedia.org
2024年8月12日 · T1a: tumor confined to kidney, <4 cm. T1b: tumor confined to kidney, >4 cm but <7 cm. T2: limited to kidney >7 cm. T2a: tumor confined to kidney, >7 cm but not >10 cm. T2b: tumor confined to kidney, >10 cm. T3: tumor extension into major veins or perinephric tissues, but not into ipsilateral adrenal gland or beyond Gerota's fascia.
Renal angiomyolipoma | Radiology Reference Article
2024年4月13日 · The traditional convention is that intervention is considered when an angiomyolipoma reaches 4 cm in size 18,25 although evidence for this is poor 24. Lesions that present with retroperitoneal hemorrhage often require emergency angioembolisation as a life-saving measure.