Pancreas-preserving duodenal resections vs pancreatoduodenectomy for groove pancreatitis. Should we revisit treatment algorithm for groove pancreatitis?

Table 4 Demographic data and symptoms before and after pancreas-preserving duodenal resections for isolated form of cystic dystrophy of the duodenal wall (pure form of groove pancreatitis), July 2020

No.	Age	Pain	Vomit	Jaundice	Weight loss, kg	Weight gain after surgery, kg	Weight gain after surgery, %	PERT after surgery	Pain after surgery, status, events	Treatment before surgery, mo	Follow-up after surgery, mo
1	53	31.5	+++	+	44	46	105	No	No	9.5	127
2	43	37.8	+++	+	21	18	86	No	No	10	124
3	47	62.5	-		18	16	89	No	No	13	118
4	45	81.3	+++		23	16	70	Yes	Pain 26.3, still drinking	7	116
5	41	62.5	+		11	8	73	No	No	11	110
6	46	62.5	+		9	8	89	No	No	8	108
7	28	67.5	-		5	3	60	No	No	8.5	104
8	30	73.8	-		6	8	75	No	No	9	103
9	56	77.5	-		14	10	71	No	No, smoking	10.5	101
10	40	68.8	+		12	8	67	No	No, smoking	12	98
11	44	81.3	-		7	8	114	No	No	13.5	97
12	52	37.8	+++		31	24	77	No	GI bleeding -DP 46 mo after surgery, no symptoms	11.5	89
13	29	77.5	+		6	8	86	No	No, smoking	11	68
14	62	68.8	+	+	11	11	100	No	No	5	65
15	55	77.5	++		21	12	57	No	No	7	31

All the patients were males. Pain assessed by the Izbicki score[38]. PERT: Pancreatic enzyme replacement therapy; GI: Gastrointestinal; DP: Distal pancreatectomy.