Table 4.

Correlation of HRCT and intra-operative findings

Findings	HRCT temporal bone		Intra-operative
	Present	Absent	Present	Absent
Malleus erosion	10	60	8	62
Incus erosion	34	36	40	30
Stapes erosion	26	44	29	41
LSCC erosion	4	66	3	67
Facial canal dehiscence	8	62	7	63
Scutum erosion	18	52	17	53
Tegmen erosion	5	65	4	66
Sinus plate erosion	5	65	3	67
High jugular bulb	8	62	5	65
Labyrinthitis ossificans	4	66	4	66