Preliminary study of photodynamic diagnosis using 5-aminolevulinic acid in gastric and colorectal tumors

Table 1 Characteristics of early gastric and colorectal tumors in this study

Patient	Age (yr)	Sex	Location	Macroscopic type	Tumor size (mm)	Tumorcolor	Tumordepth	Tumordifferentiation	Treatment		Adverse effect	FL
									Method	Time (min)
1	71	F	M	Protruded	20	Reddish	m	tub1	ESD	50	No	Yes
2	65	M	L	Protruded	20	Reddish	m	tub1	ESD	23	Yes	Yes
2	65	M	U	Protruded	15	Reddish	sm	tub2	ESD	82	Yes	No
3	75	M	L	Protruded	14	Reddish	m	tub1	ESD	34	Yes	Yes
4	56	M	M	Protruded	10	Reddish	m	tub1	ESD	54	No	Yes
5	70	M	M	Protruded	8	Discolored	m	tub1	EMR	7	No	Yes
6	66	M	U	Protruded	10	Reddish		adenoma	ESD	60	Yes	Yes
7	59	M	L	Depressed	12	Reddish	m	tub1	ESD	43	No	No
8	65	M	M	Depressed	15	Reddish	sm	tub1	ESD	23	No	No
8	65	M	M	Depressed	5	Discolored	m	sig	ESD	37	No	No
9	69	F	R	Protruded	20	Reddish	m	tub1	EMR	25	Yes	No
10	67	F	S	Protruded	18	Discolored	m	tub1	EMR	10	No	No
10	67	F	S	Protruded	23	Reddish	sm	pap	EMR	26	No	Yes
Total	66.3 ± 5.91	7M3F	2U/5M/	10 Protruded	14.6 ± 5.41	10 Reddish	9 m/	1 adenoma	9 ESD	36.5 ± 21.11	4 Yes	7 Yes
			3L/2S/1R	3 Depressed		3 Discolored	3 sm	9 tub1/1 tub2 1 pap/1 sig	4 EMR		6 No	6 No

¹mean ± SD. FL: Fluorescence; U: Upper third of stomach; M: Middle third of stomach; L: Lower third of stomach; S: Sigmoid colon; R: Rectum; m: Mucosal layer; sm: Submucosal layer; tub1: Well-differentiated adenocarcinoma; tub2: Moderate differentiated adenocarcinoma; pap: Papillary adenocarcinoma; sig: Signet cell adenocarcinoma; ESD: Endoscopic submucosal dissection; EMR: Endoscopic mucosal resection.