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BACKGROUND Healthy people can have low levels of cobalamin (vitamin B12) without symptoms or signs of cobalamin deficiency. Early detection of deficiency is imperative for treatment to be effective. Development of radioimmunoassay tests has greatly improved accurate determination of cobalamin (Cbl) levels. Nevertheless, results of studies of Cbl deficiency(More)
AIM To assess the endoscopic characteristics of gastric polyps and their association with Helicobacter pylori (H. pylori) status in a predominantly Hispanic population. METHODS We conducted a retrospective study of all esophagogastroduodenoscopies performed at our institution. Demographic, endoscopic and histopathological data were reviewed.(More)
OBJECTIVES Adenoma detection rate (ADR) is the most established indicator of the quality of screening colonoscopy. The effect of gastroenterology (GI) fellows on the quality of screening colonoscopies has been evaluated previously; however, the effect of starting a new GI fellowship program on the quality of screening colonoscopies has not been studied. The(More)
In 1982 and 1990, two epidemiological surveys of dental caries of primary and middle school in Shanghai were carried out, using similar standards and methods. A comparison of the results revealed that: the incidence of caries of milk teeth continued to stay at a high level; the incidence of caries of permanent teeth showed a marked reduction. There was no(More)
The level of serum cobalamin declines with increasing age. Among 100 consecutive geriatric outpatients who were seen in office-based settings for various acute and chronic medical illnesses but not for cobalamin deficiency-related diseases, 11% had serum cobalamin levels from 148 to 295 pmol/L. The average annual serum cobalamin level decline was 18 pmol/L(More)
PATIENT Female, 55 FINAL DIAGNOSIS: Metastatic malignant pheochromocytoma Symptoms: Chest pain • tachycardia • tachypnea MEDICATION - Clinical Procedure: - Specialty: Oncology. OBJECTIVE Rare disease. BACKGROUND Malignant pheochromocytoma is defined as the occurrence of the tumor in an area that is normally devoid of chromaffin tissue, direct tumor(More)
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