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Renal excretory sectors.

¹Department of Clinical Anatomy and Technology of Surgical Operations, Kharkiv State Medical University, Av Lenin 4, 61022 Kharkiv, Ukraine. meduniver@univer.kharkov.ua

Surgical and Radiologic Anatomy : SRA

|October 11, 2002

Summary

The human kidney contains distinct renal excretory sectors, formed by calices and ducts, which aid in urine transport. Understanding these sectors improves kidney surgery and anatomical naming.

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Area of Science:

Anatomy
Urology

Background:

The renal pelvis is a complex structure involved in urine transport.
Previous understanding of renal pelvis anatomy lacked detailed segmentation.

Purpose of the Study:

To investigate the anatomical structure of the human renal pelvis.
To identify and define functional renal excretory sectors within the kidney.
To correlate these sectors with congenital anomalies and surgical techniques.

Main Methods:

Corrosion casting of 1094 normal and 18 abnormal human kidneys.
Pyelography.
Topometric and mathematical analyses.

Main Results:

The renal pelvis is a calicopelvic complex comprising renal calices, urine ducts, and the renal pelvis itself.
Renal excretory sectors, consisting of calices, ducts, and associated tissue, were identified (2, 3, or 4 per kidney).
Duplication of the ureter demonstrated separate drainage from superior and inferior renal excretory sectors, confirming their distinctness.

Conclusions:

The human kidney possesses distinct renal excretory sectors analogous to bronchopulmonary segments.
These findings enhance understanding of renal anatomy and congenital anomalies.
The data supports improved surgical techniques for partial nephrectomies and refinement of anatomical nomenclature.

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