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OBJECTIVE To Improve the diagnosis of duodenal ulcer and preneoplastic changes of gastroduodenal transition. MATERIALS AND METHODS 112 patients with duodenal ulcer, 208 healthy pearsons of three age periods: second period of mature age, elderly and senile age were examined. Video endoscopy equipment company "OLYMPUS" (Japan), morphological methods and the(More)
Acute lymphatic filariasis developed in an American traveling recreationally to Asia. The illness was characterized by fatigue, eosinophilia, and lymphedema of the arm and chest wall, but no lymphangitis, lymphadenitis, or pain. Complete resolution occurred over 1-2 years. We discuss this syndrome and describe the use of new diagnostic tests in its(More)
A seroepidemiologic survey conducted in 1971 in the rural Pacific coastal community of Chila in the Mexican state of Oaxaca showed an unusually high prevalence of antibody against the Chagas' disease agent Trypanosoma cruzi. Further studies were undertaken in 1973 and 1981 to (1) determine the pathologic impact of T. cruzi infection in humans, (2)(More)
Antibody prevalence to Toxoplasma gondii among residents of a Pacific coastal region of Oaxaca State, Mexico is among low rates reported worldwide. From 60 small, rural communities, 3229 persons from ages 6 months to over 70 years provided blood specimens that were stored on filter papers. 124 (3.8%) of the eluates were seropositive (positive titer greater(More)
Central nervous system cysticercosis is common in countries where Taenia solium occurs in pigs and the level of hygiene and sanitation is low. The clinical presentation may include epileptic seizures, focal neurological deficits, hydrocephalus, or aseptic meningitis. The disease is frequently seen in California residents of Hispanic origin. It sometimes(More)