ABSTRACT: The endoparasitic sedentary phytonematodes of genera Heterodera, Globodera (known as cyst nematodes, CN) and Meloidogyne (the root-knot nematodes, RKN) are major crop phytopathogens, causing estimated losses of US$ 125 billion annually in the world. These plant-parasitic nematodes share some parasitism mechanisms, which ensure host-tissue invasion and host-defense evasion. The establishment and mainte...
2006
2004
Infection of the urinary tract is the most common type of infection in pregnant women, with a prevalence ranging from 5% to 10%. The majority of symptomatic upper urinary tract infections occur in women with pre-existent asymptomatic bacteriuria, due to the changes the urinary tract undergoes during pregnancy. In order to avoid potentially serious complications affecting maternal and fetal health, an early diag...
We report a clinical case of a woman, 56 years old, with a history of duodenal ulcer and esophagitis, under medication with H2 receptors blockers during 3 years. Plasma basal gastrin was near normal levels. A stimulation test with secretin was compatible with gastrinoma. CT scan and selective angiography didn't localize the tumor. At laparotomy we found a pyloric nodule that prove to be the gastrinoma. Eighteen...
A clinical case of a patient with pernicious anaemia and a carcinoid tumor of the gastric fundus is described. In the context of the case the relationship between pernicious anaemia, achlorhydria, atrophic gastritis and gastric carcinoid is discussed. The gastric neuroendocrine tumours and their structural and functional characteristics were reviewed in an attempt to clarify the nomenclature and the diagnostic ...
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