PMC9054486_01
Whirl sign.
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fig1
CT revealed the absence of distension of the small intestine; however, it demonstrated the rotation of the superior mesenteric vein and artery, with a whirl sign, and a consequent diffuse mesenteric injection (Figure 1).
Absence of the spleen in the left hypochondrium.
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The splenic parenchyma demonstrated homogeneous enhancement on postcontrast imaging; however, no abnormal splenic perfusion was detected (Figures 2 and 3).
Abnormal position of the spleen in the mesogastric area.
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The splenic parenchyma demonstrated homogeneous enhancement on postcontrast imaging; however, no abnormal splenic perfusion was detected (Figures 2 and 3).
Volvulus of the spleen.
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The vascular pedicle was tortuous along the axis (Figure 4).
Bridle causing the volvulus of the small intestine.
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In addition, volvulus of the small intestine was noted, caused by a long epiploic bridle (Figure 5).
Postoperative CT scan (2 months).
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A CT scan revealed no anomalies with the spleen lying in its natural position, in the left hypochondrium (Figure 6).