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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

NAYAK B, Satheesha; SOMAYAJI, S. N  and  SOUMYA, K. V. A Study on the Variations of Size, Shape and External Features of the Spleen in South Indian Population. Int. J. Morphol. [online]. 2011, vol.29, n.3, pp.675-677. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022011000300001.

The spleen is the largest lymphoid organ. It is wedge shaped and measures about 1 inch thick, 3 inches broad and 5 inches long. It presents characteristic notches on its superior margin and has a hilum on the visceral surface. The aim was to study the anomalies related to size, shape and external features of the spleen and discuss their clinical importance. As there are not many reports on variations in size shape and features of spleen in the South Indian population, we decided to do this study on cadaveric specimens. We observed 50 spleens fixed with 10% formalin. Among the 50 spleens observed, 25 spleens (50%) were normal and had all the features explained in the textbooks. 25 spleens (50%) did not have any notches on the superior margin, 2 spleens (4%) did not have a hilum and 4 spleens (8%) were small sized i.e. about 3 inches long. One of the spleens (2%) was "liver shaped" with 2 lobes. The knowledge of external features and dimensions of spleen are important for radiologists and surgeons as it may lead to confusions in interpreting radiographs and in the procedures of ultrasound examinations.

Keywords : Spleen; Anomaly; Variation; Splenic notch; Anatomy.

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