Joaquim Josê Gama Rodrigues

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BACKGROUND Although stomach cancer is the most frequent cancer among Japanese Brazilians, the risk factor of this cancer has not been investigated among them. METHODS A case-control study was conducted among Japanese residents in the city of São Paulo. Ninety-six consecutive cases of histologically confirmed stomach cancer were matched to 192 controls(More)
The usefulness of serology against CagA of Helicobacter pylori as a biomarker to identify high-risk individuals for non-cardia gastric cancer (ncGC) remains unclear among several ethnic populations with a high prevalence of cagA-positive strains. We investigated ethnic differences of CagA serology in two sets of case-control subjects, Japanese-Brazilians(More)
CONTEXT Endocrine tumors are a less commonly known cause of acute pancreatitis. This report presents the case of a patient who have had acute pancreatitis secondary to a pancreatic endocrine neoplasm. The majority of the cases previously reported were non-functioning tumors and the pancreatitis tended to be mild. Moreover, the majority of the tumors were(More)
BACKGROUND/AIMS Radiofrequency ablation of primary and metastatic liver tumors has been shown to be one of the promising new modalities to treat or to palliate liver tumors. It has been used as a bridge to liver transplantation as well as an approach to recurrent tumors after resection. METHODOLOGY We present a series of 78 cases, 39 females and 39 males(More)
Case 1 17-year-old boy referred to the Autoimmune Diseases Centre with symmetrical proximal muscle weakness, weight loss, dysphagia, periungual lesions and erythema of hands and eyelids with a year of evolution. Laboratory tests showed elevated lactate dehydrogenase, creatine kinase, transaminases and aldolase. Immunological/serological tests were negative.(More)
BACKGROUND The current study sought to evaluate the results of liver resection as the treatment for unilateral non-oriental primary intrahepatic lithiasis (PHIL). METHODS Twenty-seven symptomatic patients (mean age 42 years) were submitted to liver resection; the indications were parenchymal fibrosis/atrophy in 22 and biliary stenosis in 5. Resection was(More)
BACKGROUND/AIMS Esophageal cancer in achalasia is often diagnosed in the advanced stage, which makes for a poor prognosis. Therefore, the aim of this study was to evaluate the macroscopic and histological features of the esophageal mucosa in order to improve the early detection of cancer. METHODOLOGY We studied the macroscopic features of esophageal(More)
Our aim is to describe an unusual approach to the spontaneous rupture of a large hepatocellular carcinoma (HCC). A 45-year-old man, Hepatitis C virus (+) (HCV+), complaining of abdominal pain. During the investigation, a tumor affecting liver segments V, VI, VII and VIII, with the presence of fluid within the peritoneal cavity, suggesting hemoperitoneum,(More)
BACKGROUND/AIMS Portal vein thrombosis is a frequent postoperative complication after esophagogastric devascularization with splenectomy. The aim of this study was to analyze biochemical, hematological, coagulation blood tests and intraoperative portal vein hemodynamics after surgical treatment of hepatosplenic Mansonic schistosomal portal hypertension. (More)
BACKGROUND/AIMS Thirty-four patients with portal hypertension and previous history of esophageal varices hemorrhage due to hepatosplenic Mansonic schistosomiasis were prospectively studied. METHODOLOGY All patients underwent invasive hemodynamic monitoring with introduction of a pulmonary artery catheter. Hemodynamic evaluation was characterized by an(More)