PMC9829880_01
Contrast-enhanced computed tomography. (a) Axial view and (b) coronal view showing a hypodense lesion in the lower pole of the spleen.
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The largest lesion was in the lower pole of the spleen and measured 3.4 x 2.4 x 2.6 cm3 (Figure 1).
(a) Gross appearance of the spleen with tumor. (b) The gross-section revealing a yellowish-white tumor in the lower pole of the spleen. (c) Microscopic image presenting multiple cysts with variable sizes lined by flattened endothelial cells. (d) Immunohistochemical stain showing positive for CD34.
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On macroscopic examination, the spleen measured 10 x 6 x 4 cm3 (Figure 2(a)). The cut section showed brown-red tissue and a yellowish-white tumor with a diameter of 3 cm (Figure 2(b)). On microscopic examination, multiple cystic structures with variable sizes lined by flattened endothelial cells (Figure 2(c)). Immunohistochemical stains showed the cells were positive for CD34 (Figure 2(d)), and negative for CK AE1/AE3, P63, desmin and Ki67.