Bacterial brain abscess in patients with nasopharyngeal carcinoma following radiotherapy: microbiology, clinical features and therapeutic outcomes

Table 3 Neuro-imaging findings

	Non-NPC patients	NPC patients
	*n = 198 (%)*	*n = 12 (%)*
Location
Single site
Frontal lobe	15 (7.5)	0
Fronto-parietal area	23 (11.6)	1 (8.3)
Fronto-parito-temporal area	17 (8.6)	1 (8.3)
Basal ganglion	12 (6.1)	0
Temporal lobe	17 (8.6)	6 (50)
Parieto-occipital area	22 (11.1)	1 (8.3)
Parietal lobe	15 (7.6)	0
Temporo-parietal area	16 (8.0)	0
Thalamus	4 (2.0)	0
Occipital lobe	3 (1.5)	0
Cerebellum	9 (4.5)	1 (8.3)
Multiple sites	45 (22.7)	2 ^δ (16.6)
Multiloculated	41 (20.7)	3 (25)
Rupture into ventricle	62 (31.3)	5 (41.7)
Hydrocephalus	32 (16.2)	3 (25)
Median (IRQ) volumes of brain abscess (cm ³ ) ^β	13.19 (4.03-25.13)	17.49 (7.47-28.162)

Note: β, neuro-imaging findings upon presentation; δ, located on the left temporal lobe; IQR, inter-quartile range.

ISSN: 1471-2334