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Variability in superior hypogastric plexus morphology and its clinical applications: a cadaveric study
G Paraskevas1, P Tsitsopoulos, B Papaziogas
1Department of Anatomy, Medical School of Aristotle University of Thessaloniki, Thessaloniki, Greece. g_paraskevas@yahoo.gr
Surgical and Radiologic Anatomy : SRA
|May 10, 2008
Summary
The superior hypogastric plexus (SHP) exhibits significant anatomical variation, including single nerves, reticular formations, band-like trunks, and dual nerves. Understanding these diverse SHP morphologies is crucial for clinical practice.
Area of Science:
- Anatomy
- Neuroscience
- Surgical Anatomy
Background:
- The superior hypogastric plexus (SHP) is a key autonomic nerve structure located anterior to the L5-S1 vertebrae.
- It typically continues as the inferior hypogastric plexus, but anatomical variations are known.
Purpose of the Study:
- To investigate the morphological variations of the superior hypogastric plexus.
- To document the topographic anatomy of the SHP in relation to surrounding structures.
Main Methods:
- Dissection of the superior hypogastric plexus in 35 formalized cadavers.
- Detailed observation and documentation of SHP morphology and topography.
Main Results:
- Identified four main variations: single thin nerve (17.14%), wide reticular formation (28.57%), band-like nerve trunk (22.85%), and two distinct nerves (31.44%).
- Confirmed contributions from major and minor splanchnic nerves to SHP formation.
- Provided detailed topographic anatomy relative to the sacral promontory and abdominal midline.
Conclusions:
- The superior hypogastric plexus displays considerable morphological diversity.
- Comprehensive knowledge of SHP variations and topography is essential for various clinical specialties, including surgery and pain management.
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