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The laceration may initially be difficult to recognize in sonography or may appear slightly echogenic band. Acute splenic lacerations are seen on contrast-enhanced MDCT as linear or branching areas of low attenuation with well-defined margins (Figure 5.). When lacerations extend through the organ capsule, hemoperitoneum results; if the capsule is intact, a subcapsular hematoma may be demonstrated. With time, the lacerations decrease in size and number. The margins become less well defined, and the area becomes isodense compared with normal splenic parenchyma. Although healing changes may be seen within 2 to 3 days, complete resolution may take weeks.
