Morphological Analysis of the Human Internal Iliac Artery in South Indian Population
2011
Objectives: The accidental hemorrhage is common due to erroneous
interpretation of the variant arteries during surgical procedures,
hence the present study has been undertaken with reference
to its morphological significance. The objectives were to
examine the level of origin, length and the branching pattern of
the human internal iliac artery in South Indian population.
Methods: The study included 60 human bisected pelvises irrespective
of their side and sex. The specimens were collected
from the anatomy laboratory and were fixed with the formalin.
The branching patterns were studied and demonstrated as per
the guidelines of Adachi. Results: The origin of internal iliac
artery was at the level of S1 vertebra in majority (58.3%) of the
cases. The average length of internal iliac artery was 37 ± 4.62
mm (range, 13-54 mm). The type I pattern of the internal iliac
artery was most common (83.5%) followed by types III and II.
The type IV and V pattern of adachi were not observed. Conclusions:
The results of this study were different from those reported
by others and may be because of racial and geographical
variations. Prior knowledge of the anatomical variations is beneficial
for the vascular surgeons ligating the internal iliac
artery or its branches and the radiologists interpreting angiograms
of the pelvic region.
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