Roentgen Size of Normal Kidneys

Friedenberg, Marvin J.; Walz, Bruce J.; McAlister, William H.; Locksmith, John P.; Gallagher, Tom L.

doi:10.1148/84.6.1022

Cited by 44 publications

(10 citation statements)

References 9 publications

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“…The prenephrectomy measurements were all within the normal limits de scribed by other authors [9,10]. After nephrectomy there was a significant increase in kidney size by all four parameters.…”

Section: Discussionsupporting

confidence: 83%

“…K.L = kidney length in cm; KL/L2 = KL : height 2nd lumbar vertebra in cm; KL/L2 + D = K height 2nd lumbar vertebra + disk L2 -Ls in cm; renal index = length * width : body surface area in m2. All these parameters were within normal limits as shown in other studies [9,10]. The glomerular filtration rate was 129.6 + 5.6 ml/min/1.73 m-, or 64.8 : 2.8 ml/min/1.73 m2 per kidney, assuming that the filtration rate of each kidney was 50% of the total.…”

Section: Prenephrectomy Kidney Size and Functionsupporting

confidence: 83%

“…Width is measured as the maximum perpendicular distance from the lateral border to a line joining the most medial aspect of the upper and lower poles. BSA is the body surface area of the patient in square meters [10]. Serum and urine inulin were measured by either a manual [11] or an automated method [12].…”

Section: Subjects and Materialsmentioning

confidence: 99%

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Hypertrophy of the Normal Human Kidney Following Contralateral Nephrectomy

Boner

Sherry

Rieselbach³

1972

Nephron

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Intravenous pyelograms were performed on 22 kidney donors, both before and from 2 weeks to 4 years after nephrectomy. A significant increase in kidney size was demonstrated by four different measurements. There was no significant difference in the increase in kidney size between the donors over 40 and those under 40 years of age. A significant increase in glomerular filtration rate per kidney was also found, but this increase could not be correlated with the increase in kidney size.

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Section: Discussionsupporting

confidence: 83%

Section: Prenephrectomy Kidney Size and Functionsupporting

confidence: 83%

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Hypertrophy of the Normal Human Kidney Following Contralateral Nephrectomy

Boner

Sherry

Rieselbach³

1972

Nephron

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“…The kidney weight was calculated using Moell's linear equation [7] for the sum of both kidneys on a logarithmic scale: y = 1.206 x -0.180; x = log of the total kidney area in em 2 and y = kidney weight in grams. The renal index was obtained from a formula proposed by Friedenberg et al [8]. Renal index = length (cm) X width (cm) body surface (cm 2)…”

Section: Methodsmentioning

confidence: 99%

Relation of kidney size to kidney function in early insulin-dependent diabetes

et al. 1981

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Summary. Renal function and renal size have been studied in ten early insulin-dependent diabetic patients and in ten matched control subjects. Glomerular filtration rate, renal plasma flow and radiological kidney size were determined in each subject. Glomerular filtration rate and renal plasma flow were increased in diabetics (mean ___ SD: 169.6+ 16.1 and 690.1___52.6 ml/min/1.73 m 2, respectively) compared with controls (120.6+9.7 and 605.9+67.2 ml/ rain/1.73 m2; p < 0.001 and p < 0.01). Calculated kidney weight corrected to 1.73 m 2 of body surface area was elevated in diabetics (385.2+29.0 g) with respect to controls (277.5_17.5g; p <0.001). No significant differences were found between diabetics and control subjects when glomerular filtration rate was expressed per gram calculated kidney weight, while renal plasma flow was significantly lower in diabetics than control Subjects when so expressed (p <0.01). A positive correlation was found between glomerular filtration rate, renal plasma flow and kidney size in both controls and diabetics (p < 0.01 in all cases). These findings support the conclusion that in the early state of diabetes glomerular hyperfunction is related to enlargement of the kidneys and augmented renal plasma flow.

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“…From early experiences, hypertrophy of the kidney was observed in vivo by intravenous urography using indices such as total renal area [2], long axis [3], and long axis times short axis of the graft [4], However, our method for organ volume measurement using CT scan is the most accurate one [5,6].…”

mentioning

confidence: 99%