New endoscopic ultrasound techniques for digestive tract diseases: A comprehensive review

Table 1 Summary of studies with new endoscopic ultrasound techniques

Ref.	No. of cases	Target lesions	Techniques	Accuracy	Specificity	Sensitivity
König et al[13]	151	Prostatic lesions	RTE	84.10%	N/A	N/A
Kanamori et al[48]	46	LNs lesions	CE	82.10%	77.30%	88.20%
Alam et al[12]	85	LNs lesions	RTE	84%	59%	98%
Kamoi et al[54]	107	Prostatic	RTE	76%	81%	68%
		Lesions
Ohno et al[44]	87	IPMNs	CE	75.90%	92.90%	60%
Giovannini et al[33]	222	LNs and PLs	RTE	N/A	82.5% (LN)	91.8% (LN)
					80.0% (PL)	92.3% (PL)
Săftoiu et al[22]	54	Pancreatic masses	CE and RTE	83.30%	95.20%	75.80%
Napoleon et al[42]	35	Pancreatic masses	CE	86%	88%	89%
Xia et al[49]	43	Intra-abdominal lesions	CE	97.60%	100%	96.30%
Săftoiu et al[6]	258	Pancreatic masses	RTE	85.40%	66%	93.40%
Xu et al[7]	368	LNs lesions	RTE	N/A	91%	85%
Sakamoto et al[51]	76	GISTs	CH	83%	63%	100%
Kapoor et al[55]	50	Prostatic lesions	RTE	N/A	86.80%	91.70%
Waage et al[56]	69	Rectal lesions	RTE	94%	96%	93%
Hocke et al[5]	58	Pancreatic lesions	RTE	N/A	94.7%(RTE)	33.4%(RTE)
			CE		89.5%(CE)	92.3%(CE)
Dawwas et al[31]	104	Pancreatic masses	RTE	86.50%	16.70%	100%
Kitano et al[39]	277	Pancreatic lesions	CH	N/A	94.40%	91.20%
Gong et al[41]	1139	Pancreatic masses	CE	N/A	93%	93%
Knabe et al[3]	40	LN lesions	RTE	51.5	86.70%	88.90%
Lee et al[43]	37	Pancreatic lesions	CH	92%	N/A	93%
Havre et al[34]	39	Pancreatic lesions	RTE	N/A	71%	67%
Imazu et al[59]	36	GB lesions	CH	94.40%	98%	89.60%

LN: Lymph node; PL: Pancreatic lesion; RTE: Real-time elastography; CE: Contrast-enhanced; CH: Contrast-enhanced harmonic; IPMN: Intraductal papillary mucinous neoplasm; GIST: Gastrointestinal stromal tumor; GB: Gallbladder; N/A: Not available.