p53 protein expression and CA19.9 values in differential cytological diagnosis of pancreatic cancer complicated with chronic pancreatitis and chronic pancreatitis

Table 1 Patients with p53 protein overexpression and high serum CA19.9 with cytologically diagnosed pancreatic disease (n = 24)

Histological diagnosis	Cytology
	Patient n(%)	Malignant cells	Suspicious cells	Insufficient material	Non-malignant cells
Malignant diseases
PC	9(37.5) p53(+)	2/5	1/1	1/1	0/2
	CA19.9 ≥ 37 U/ml	3/5	1/1	0/1	0/2
Benign disease
IMH	13(54.2) p53(+)	0	0/5	0/4	0/4
	CA19.9 ≥ 37 U/ml	0	2/5	1/4	0/4
Adenoma	2(8.3)p53(+)	0	0/2	0	0
	CA19.9 ≥ 37 U/ml	0	0/2	0	0

PC: pancreatic cancer; IMH: inflammatory mass of the head of pancreas.