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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109
Volume 6, Issue 1, Febraury 2013 pp 48-52
Research Article
Morphological and Morphometrical Study of Sacral Hiatus
Shilpa Nilesh Shewale1, Mohammad Laeeque2, P. R. Kulkarni3, Chaya Vijay Diwan4
{1,2Assistant Professor, 4Professor and Head} Government Medical College, Aurangabad, Maharashtra, INDIA.
3Professor and H.O.D., Government Medical College, Latur, Maharashtra, INDIA.
Academic Editor : Dr. Aher K.R.
The present study of sacral hiatus was carried on 204 dry human sacra to know the anatomical variations of sacral hiatus. A typical sacrum consisting of 5 segments was observed in 142(69.60%) cases. Various shapes of sacral hiatus were observed and most common were inverted ‘U’ (83cases;40.69%), inverted ‘V’ (66cases;32.35%).Complete spina bifida and absence of sacral hiatus was observed in 2 cases(i. e . 0.98%). The apex of sacral hiatus was most commonly located at 4th sacral vertebra in 133(66.5%) cases. Most commonly the base of hiatus was located at 5th sacral vertebra in 164(82%). Mean length of sacral hiatus was 23.44+10.59mm in males and 20.44 +7.96mm in females. Mean values for transverse width at the base of hiatus observed were 13.68+3.87mm in males and 13.45+2.88mm in females. The mean antero posterior diameter of sacral canal at the apex of sacral hiatus was 5.18mm.Narrowing of sacral canal at the apex of sacral hiatus (diameter less than 3mm) was observed in significant number of cases (15 cases; 7.5%).
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