Late CT manifestations in spontaneous lobar hematoma

The purpose of this work was to determine the late CT manifestations of spontaneous lobar hematoma.

Serial CT studies were performed in 75 cases. The initial study was done during the acute stage of stroke, and the subsequent one was performed at least 6 months later.

There were 20 cases (27%) with no trace of previous hemorrhage, 14 (19%) with a slit cavity, 11 (15%) with a small round cavity, 20 (27%) with pseudoinfarct, 8 (11%) with ventricular deformity but no residual cavity, and 2 (3%) with only calcification at the site of the hemorrhage.

Our data show that the typical residual slit was relatively uncommon in lobar hematomas and that, depending on their size, hematomas would disappear, reduce to a small cavity, or form a pseudoinfarct.