[X-ray-negative pancreatic dust stones in patients with chronic pancreatiti].

Diagnosis of chronic pancreatitis is not associated with any difficulties in patients with CT signs of pancreatic duct stones as a rule. However, 'classical' picture of chronic pancreatitis is usually absent in case of predominant protein matrix in the calculi. Two cases of X-ray-negative pancreatic dust stones in patients with protein stones of the pancreatic duct are reported.