Head mass in chronic pancreatitis: Inflammatory or malignant

Table 1 Endoscopic ultrasound in evaluating pancreatic mass lesions in patients with chronic pancreatitis

Ref.	Study subjects	Procedure	Outcome1
Fritscher-Ravens et al[19]	74 patients with focal pancreatic lesions and chronic pancreatitis	EUS FNA	Sn-54%
Vardarajulu et al[17]	75 patients with CP and focal pancreatic mass lesion	EUS FNA	Sn-73.9%
			Sp-100%
Iordache et al[18]	CP-55 CP and PC-17	EUS FNA	Sn-50%
			Sp-73.7%
Hocke et al[13]	86 patients with CP and pancreatic lesion	EUS	Sn-73.2%
			Sp-83.3%
		CE-EUS	Sn-91.1%
			Sp-93.3%

¹Differentiating malignant and non-malignant pancreatic lesion. Sn: Sensitivity; Sp: Specificity; CP: Chronic pancreatitis; PC: Pancreatic cancer; CE: Contrast enhanced; EUS: Endoscopic ultrasound; FNA: Fine needle aspiration.