. 2006 Feb;99(2):77–80. doi: 10.1258/jrsm.99.2.77

Table 1.

Published cases

*Author*	N	*Age*	*Sex*	*Tobacco smoking (packs/year)*	*Marijuana smoking*	*Bulla/empmphysema*	*Pneumothorax*
Feldman 1993 (Ref. ¹²)	1	24	M	14	Daily (14-28 g/week), 10 years	Right apical bulla (2 further cases, not reported)	Recurrent
Johnson 2000 (Ref. ²)	4	27	M	15	Several pipes/week	Bilateral upper lobe bullae	Yes
		35	M	2-5 cigars/day	2 joints/week	Bilateral paraseptal bullous emphysema	No
		44	M	3	2-3 joints/day	Bilateral apical peripheral bullous emphysema	No
		46	M	7	2-3 joints/day	Bilateral multiple large peripheral bullae in upper lobe	No
Rawlins 2001 (Ref. ¹³)	2	26	M	Yes	Yes	Bilateral giant bullae
		32	M	Yes	Yes	Bilateral giant bullae
Thompson 2002 (Ref. ¹⁴)	3	33	M	9	2-3 joints/day `heavy'10 years	Large upper lobe bullae	No
		45	F	10	Weekends/evenings `moderate' 10 years	Large upper lobe bullae	No
		38	M	20	0.25 oz marijuana/week, `heavy' 24 years	Large upper lobe bullae	No
				Median
				34