Table 1.

Studies reporting on HPV detection in solitary bronchial squamous cell papillomas

Method/histological type		HPV positive
Detection method*	Histological type	Area or country	HPV types detected	Number/total	%	Authors and year	Ref. No
IHC, EM	SCP	Canada	–	2/2	100	Trillo et al. 1988	[83]
ISH	SCP	USA	6/11	1/1	100	Kerley et al. 1989	[93]
ISH	SCP	France	11	1/1	100	Bejui-Thivolet et al. 1990	[58]
ISH	SCP	UK	16	1/15	6.7	Carey et al. 1990	[94]
ISH	SCP	Austria	6/11	6/6	100	Popper et al. 1992	[95]
ISH	SCP	USA	6/11	2/2	100	Yousem et al. 1992	[96]
ISH	SCP	USA	6/11	1/1	100	Katial et al. 1994	[97]
PCR, ISH	SCP	Austria	6, 11, 16, 18	11/31	35.5	Popper et al. 1994	[98]
PCR, ISH	SCP	USA	6, 11, 16, 18	5/14	35.7	Flieder et al. 1998	[99]
PCR	SCP	Japan	11	1/1	100	Kawaguchi et al. 1999	[100]
PCR, ISH	SCP	Japan	6, 16	1/1	100	Harada et al. 2000	[101]
ISH	SCP	France	–	0/1	0.0	Paganin et al. 2009	[70]
ISH, PCR	SCP	Japan	–	0/1	0.0	Inamura et al. 2011	[102]
PCR	SCP	USA	–	0/1	0.0	Lagana et al. 2011	[103]
ISH	SCP	USA	–	1/3	33.3	Lang et al. 2011	[74]

^*Method listed first was used as the HPV detection method in meta-analysis database

EM – electron microscopy, IHC – immunohistochemistry, ISH – in situ hybridization, PCR – polymerase chain reaction, SCP – squamous cell papilloma