WebJun 15, 2024 · Background: Benign tubular ectasia is a benign developmental condition where dilatation of the collecting tubules in the medullary pyramids of the kidney occurs. The term ‘benign’ is used to … WebThin, dense, fibrous CT capsule lines entire surface of kidney. ... Radial striated appearance due to medullary rays. Lobed outer surface in human infants, smooth in adults due to increased cortical mass. Identify by presence of glomeruli. kidney medulla. Lighter-staining interior of kidney. Composed of renal/medullary pyramids (normally 8, or ...
Ultrasound is Superior to Computed Tomography for Assessment …
WebObjective: The purpose of this study was to assess the effect of hydration status on renal medulla attenuation during unenhanced CT. Subjects and methods: An unenhanced CT scan was obtained in 10 healthy men after 12-18 hr of complete fluid restriction and again after rehydration. CT images were reviewed for the presence and extent of dense renal medulla, … WebApr 1, 2008 · Phantoms showed a 3.6-HU increase per 100-mosm/kg increase in NaCl concentration (r = 0.99, P < .001) but no change in attenuation with different urea concentrations. Conclusion: Renal medullary tip hyperattenuation at unenhanced CT reflects increased urinary specific gravity, likely related to high medullary tip NaCl concentrations. how to turn on auto shazam
White pyramid sign (kidney) Radiology Reference Article
WebApr 8, 2024 · A white pyramid (Fig. 1) provides a fitting metaphor for the hyperdensity of the renal medulla relative to the cortex on unenhanced CT scans and thus this appearance … WebDec 2, 2024 · Echogenic renal pyramids in children can be due to many different causes. Differential diagnosis Nephrocalcinosis Iatrogenic (most common cause) furosemide (frusemide) vitamin D steroids Non-iatrogenic idiopathic hypercalcemi... Echogenic renal pyramids in children can be due to many different causes. ... Cystic medullary disease ... WebRüdiger Osmers, in Ultrasound in Obstetrics and Gynaecology, 2009. ECHOGENICITY. The echogenicity of an ovarian tumour depends on the density of a lesion. Serous fluid with water-like density is virtually anechoic. On grey-scale ultrasound this anechoic fluid appears black whereas the increased density of mucinous fluid is described as hypoechoic with a … ords means