Research Article

The Diagnostic Value of Brush Cytology Alone and in Combination with Tumor Markers in Pancreaticobiliary Strictures

Table 1

Baseline characteristics.

Clinical characteristicsValue

Patient273
Age (year)61.2 ± 13.8
Male/female127 (46.5)/(53.5) 146
Clinical diagnosis
Malignant141 (51.6%)
 Cholangiocarcinoma59 (41.9%)
 Pancreatic cancer55 (39.1%)
 Periampullary tumor7 (5.0%)
 Gallbladder cancer5 (3.5%)
 Intraductal papillary mucinous neoplasm4 (2.8%)
 Hepatocellular carcinoma3 (2.1%)
 Neuroendocrine tumor 2 (1.4%)
 Metastasis*6 (4.2%)
Benign132 (48.4%)
 Common bile duct stone 57 (43.2%)
 Postoperative stricture25 (18.9%)
 Primary slerosing cholangitis 22 (16.7%)
 Chronic pancreatitis 21 (15.9%)
 Other**7 (5.3%)
Lesion location (malignant/benign)
 Intrahepatic4 (2.8%)/13 (9.8%)
 Perihilar region49 (34.8%)/29 (21.9%)
 Common bile duct84 (59.6%)/82 (62.2%)
 Pancreas 4 (2.8%)/8 (6.1%)
Dilatation +/−46 (16.8%)/227 (83.2%)
CT/USG scan findings
 Could not be obtained56 (20.5%)
 Mass not seen144 (52.8%)
 Mass <10 mm2 (0.7%)
 10–30 mm23 (8.4%)
 Mass >30 mm48 (17.6%)
Laboratory findings
 Glucose (mg/dL)104 ± 61.2
 ALT (U/L)112 (7–4660)
 AST (U/L)87.2 (10–2225)
 GGT (U/L)239 (9–2465)
 ALP (U/L)282 (2–3217)
 Total bilirubin (mg/dL)5.7 ± 6.4
Tumor markers
 AFP (U/mL)1.8 (0.1–1852)
 CA-19.9 (U/mL)64 (1–2085)
 CA125 (ng/mL)20.5 (0.1–1000)
 CEA (ng/mL)2.5 (1–577)

Values are presented as number (%), mean ± SD or median (range).
3 colon cancer, 1 breast cancer, 1 ovary cancer, and 1 lung cancer.
2 Mirizzi syndrome, 2 choledochal cysts, 2 Oddi Sphincter spasm type 1, and 2, Eisonophilic cholangitis.