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Megacalices--how broad a spectrum?

R H Whitaker, C D Flower

British Journal of Urology

|February 1, 1981

Summary

This summary is machine-generated.

Pressure-flow studies in suspected megacalices revealed most cases are not obstructed. However, two obstructed cases present management challenges, suggesting a broader spectrum for this condition.

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Area of Science:

Urology
Nephrology
Diagnostic Imaging

Background:

Megacalices is a condition characterized by enlarged renal calyces.
Distinguishing between obstructed and non-obstructed megacalices is crucial for patient management.
Previous diagnostic approaches may not fully delineate the spectrum of this condition.

Purpose of the Study:

To evaluate the utility of pressure-flow studies in diagnosing obstruction in patients with suspected megacalices.
To clarify the obstructive status in a cohort of patients with megacalices.
To assess the diagnostic implications of pressure-flow studies for megacalices management.

Main Methods:

Ten patients with suspected megacalices underwent pressure-flow studies.
Pressure-flow studies were utilized to assess for urinary tract obstruction.

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Clinical data and imaging were correlated with study findings.

Main Results:

Eight out of ten patients showed no evidence of obstruction.
Two patients with suspected megacalices demonstrated evidence of obstruction.
Among the non-obstructed cases, two also had a non-obstructed megaureter.

Conclusions:

Pressure-flow studies can help differentiate obstructive from non-obstructive causes in suspected megacalices.
A significant proportion of suspected megacalices cases may not be obstructive.
The findings suggest that 'megacalices' may represent a wider spectrum of disease than previously understood, posing management dilemmas in obstructed cases.