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Selective spleen scintigraphy in the diagnosis of polysplenia syndrome

Departments of ¹ Gastroenterohepatology and ³ Radiology, Haydarpasa Numune Training and Research Hospital, Tibbiye caddesi Üsküdar 34668, Istanbul and ² Department of Nuclear Medicine, Polis Hospital, Altunizade Üsküdar 81190, I^·stanbul, Turkey

View larger version (103K): [in a new window]   Figure 1. Contrast-enhanced CT scan at the level of upper abdomen demonstrates centrally located liver with absent spleen and right-sided stomach (S). Notice absence of inferior vena cava, it is replaced by dilated azygos vein (Az). Aorta was in the normal position (Ao).

View larger version (128K): [in a new window]   Figure 2. Contrast-enhanced CT scan at the level of the kidneys demonstrates a centrally located and multilobated mass (arrows).

View larger version (133K): [in a new window]   Figure 3. Contrast-enhanced CT scan caudal to Figure 2 demonstrates two separate centrally located masses (arrows).

View larger version (125K): [in a new window]   Figure 4. 99Tcm heat-denatured red blood cell selective splenic scintigraphy; anterior, posterior, and right–left oblique projections. Notice midline hyperactive round foci compatible with the splenuncules seen on the ultrasound and CT scan.