Vallath Balakrishnan

Learn More
CONTEXT Chronic pancreatitis is common in India. However, its risk factors are not clear. There is sparse data on the current prevalence of tropical pancreatitis in India. OBJECTIVE To undertake a prospective nationwide study of the risk factors and clinical profile of chronic pancreatitis. SETTING Thirty-two major centers from different regions of(More)
CONTEXT Groove pancreatitis is a rare type of segmental pancreatitis characterized by fibrous scars of the anatomic space between the dorsocranial part of the head of the pancreas, the duodenum, and the common bile duct. CASE REPORT A 40-year-old man, with a past history of chronic alcohol consumption presented with epigastric pain radiating to the back(More)
The ERCP findings in 13 patients with chronic pancreatitis of the tropics are reported. 7 of the patients had pancreatic calculi on plain film of abdomen and 6 had no calcification. The changes observed in the pancreatograms were tortuosity, dilatation, stenosis, obstruction, cyst formation and presence of calculi in the main pancreatic ducts and their(More)
Tropical pancreatitis was described 50 years ago as a disease of the tropical regions, particularly southern India, with young age at onset, malnutrition, rapid progression, severe pancreatic damage with multiple large ductal calculi, and absence of history of alcoholism or biliary tract disease as its hallmarks. Over the years, chronic pancreatitis in(More)
AIM To study the natural course of asymptomatic pseudocysts of the pancreas. METHODS Thirty patients (age range 18-68 years, mean 44; 24 men) with asymptomatic pseudocysts of the pancreas were enrolled between December 2001 and December 2003, and were followed up every month. Those who developed symptoms due to pseudocyst (increasing pain or features of(More)
CONTEXT Agenesis of the dorsal pancreas is a rare developmental anomaly. This anomaly may be complicated by recurrent acute and chronic pancreatitis. CASE REPORT We report the case of a 28-year-old female with agenesis of the dorsal pancreas and chronic calcific pancreatitis. The diagnosis of agenesis of the dorsal pancreas is discussed and the genetic(More)
OBJECTIVES To clarify the clinical and pathophysiological characteristics of autoimmune pancreatitis (AIP) in Asia. METHODS A retrospective, actual situation survey of AIP diagnosed by Asian criteria was conducted in 10 centers of Japan, Korea, Taiwan, China, and India. RESULTS A total of 327 AIP cases (258 male and 69 female subjects; average age, 60.0(More)
A multicenter study was carried out in India to determine the incidence of lactose intolerance in healthy volunteers from different parts of the country. The incidence was found to be 66.6% in the subjects from two South Indian centers at Trivandrum and Pondicherry. In contrast, the incidence in the subjects from a North Indian center in New Delhi was much(More)
Background: Gastrointestinal stromal tumors (GIST) constitute a large majority of mesenchymal tumors of the gastrointestinal (GI) tract, which express the c-kit proto-oncogene protein, a cell membrane receptor with tyrosine kinase activity. GI stromal tumors of the stomach are usually associated with bleeding, abdominal pain or a palpable mass. Case(More)