Spleen scanning with 99Tcm-labelled red blood cells after splenectomy

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Abstract
Summary: In order to correlate the haematological changes which occur after splenectomy, with the presence or absence of residual splenic tissue, spleen scans using 99Tcm-labelled red blood cells were performed in 36 patients who had had a splenectomy. Positive spleen scans were found in 44 per cent (8 out of 18) of patients who had undergone splenectomy for trauma and in 17 per cent (3 out of 18) of patients who had undergone elective splenectomy. No relationship was found between the presence of Howell-Jolly bodies, platelet counts, the levels of IgG, IgM and IgA and the scan result. It is concluded that these findings are due to the presence of splenunculi, whose incidence is more common than the 12 per cent usually quoted.

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