Follow-up of patients with pseudotumoral chronic pancreatitis: Outcome and surveillance

Table 4 Frequency of pseudotumoral chronic pancreatitis in patients with chronic pancreatitis according to studies reported in the literature

Ref.	Year	Number of patients (n)	Frequency of pseudotumor	Frequency of pancreatic cancer
1Barthet et al[12]	1996	85	6%	3.5%
2Burski et al[8]	2012	436	29%	13%
Current study	2014	35	25%	22%

¹The time between diagnosis of pseudotumor and pancreatic cancer was not reported, only time of survival after diagnosis of pancreatic cancer;

²The time between diagnosis of pseudotumor and pancreatic cancer reported was 4.2 mo.