Table 4 Neuroimaging findings of patients with intraventricular rupture of brain abscesses.

	Initial IVRBA	Subsequent IVRBA	Non‐IVRBA
	n = 45	n = 17	n = 117
Location and number of abscesses
Single
Frontal lobe	13 (6)	4 (1)	31 (6)
Temporal lobe*	4 (1)	3	16 (3)
Temporoparietal area*	6 (1)	1 (1)	6 (1)
Basal ganglion*	3	1 (1)	6
Parieto‐occipital area	2 (1)	1	11 (2)
Frontoparietal area*	2	1	19 (2)
Occipital lobe*	1	1	6(2)
Parietal lobe*	1	1 (1)	10 (3)
Thalamus	2	0	1 (1)
Cerebellum*	1	0	7
Multiple sites	10 (5)	4 (3)	4
Diameter of brain abscess (mm)	43.8 (18.2)	31.2 (14.6)†	34.5 (18.1)
Ventricular debris	33	11	0
Hydrocephalus	26	4‡	13
Ependymal enhancement	40	16	22
Septation of the ventricle	3	0	0
Meningeal enhancement	20	8	42

IVRBA, intraventricular rupture of brain abscesses.

*Case numbers of multilocuated brain abscesses are shown in parentheses.

†Diameter of brain abscess initially at the time of admission.

‡Hydrocephalus initially at the time of admission.