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Morphometric study of human spleen

Authors: Sivanageswara Rao Sundara Setty , Raja Sekhar Katikireddi
Int J Biol Med Res. 2013; 4(3): 3464-3468  |  PDF File

Abstract

Aim:Spleen, the secondary lymphoid organ, is gaining clinical importance and hence routine classroom dissections need an understanding of splenic morphological variations. The main aim of the study was to perform morphometric analysis of spleen specimens and compare the findings with those reported elsewhere. Materials and Methods: A total of 50 human cadaveric spleens were studied. Morphological features like length, breadth, width and weight were measured. Shapes, poles, borders and surfaces of the spleens were observed Results: Spleen lengths varied from 7.5 cm to 15.5 cm, with an average of 10.15 cm. Breadths varied from 4.5 cm to 12.5 cm, with an average of 8.3 cm. Widths of spleens were found to vary from 2 cm and 6 cm, with an average of 3.96 cm. An increased variation was observed in the splenic weights, ranging from 30 to 325 gms, with an average of 138.40 gms. Shapes of the spleens observed were wedge shaped (40%), triangular (32% ),tetrahedral (20%) and oval shape (8%). All the studied spleens had two poles, three borders and two surfaces. The morphology was found to be uniform on the diaphragmatic surface of the spleen while the impressions on the visceral surface were found to be gastric, renal, colic and pancreatic. Splenic notches were observed both on the inferior and superior borders. Majority of cases (64%) had notches on the superior border. The number of notches ranged between zero and five. Conclusion: Present study findings could improve the fundamental knowledge of the medical professionals, especially anatomists and surgeons as well.