ALDH1 is an immunohistochemical diagnostic marker for solitary fibrous tumours and haemangiopericytomas of the meninges emerging from gene profiling study

Table 1 ALDH1 IHC data for SFT (meningeal and extrameningeal) and meningeal HPC

		ALDH1 negative	ALDH1 positive	ALDH1 5-10%	ALDH1 11-50	ALDH1 >50%
Meningeal HPC	grade II n = 24	6	18	5	2	11
n = 55	grade III n = 31	2	29	5	7	17
Meningeal SFT		4	21	3	10	8
n = 25		4	21	3	10	8
Extrameningeal SFT		2	11	3	4	4
n = 13

ISSN: 2051-5960