AIM： Although the radiological teatures of acute appendicitis have been well documented, the value of plain radiography has not been fully appredated. The aim of this study was to determine the frequency of the assoc...AIM： Although the radiological teatures of acute appendicitis have been well documented, the value of plain radiography has not been fully appredated. The aim of this study was to determine the frequency of the association of acute appendicitis with images of fecal loading in the cecum,METHODS： Plain abdominal radiographs of 400 patients operated upon for acute appendicitis （n = 100）, acute cholecystitis （n = 100）, right acute pelvic inflammatory disease （n = 100） and right nephrolithiasis （n = 100） were assessed. The presence of fecal loading was recorded and the sensitivity and specificity of this sign for acute appendicitis were calculated.RESULTS： The presence of fecal loading in the cecum occurred in 97 patients with acute appendicitis, 13 patients with acute cholecystitis, 12 patients with acute inflammatory pelvic disease and 19 patients with nephrolithiasis. The sensitivity of this sign for appendicitis was 97% and its specificity to this disease was 85.3%. Its positive predictive value for appendicitis was 68.7%; however, its negative predictive value for appendicitis was 98.8%.CONCLUSION： The present study suggests that the presence of radiological images of fecal loading in the cecum may be a useful sign of acute appendicitis, and the absence of this sign probably excludes this disease.This is the first description of fecal loading as a radiological sign for acute appendicitis.展开更多
Chlorpyrifos is a well known organophosphorus pesticide used worldwide. Microorganisms including bacteria, fungi and actinomycetes have been reported to be efficient degraders of chlorpyrifos. The present study was su...Chlorpyrifos is a well known organophosphorus pesticide used worldwide. Microorganisms including bacteria, fungi and actinomycetes have been reported to be efficient degraders of chlorpyrifos. The present study was successful in isolating a novel fungus that could degrade chlorpyrifos effectively upto 800 ppm concentration. Morphological and molecular characterization studies revealed the identity of the fungus as Isariafarinosa.展开更多
文摘AIM： Although the radiological teatures of acute appendicitis have been well documented, the value of plain radiography has not been fully appredated. The aim of this study was to determine the frequency of the association of acute appendicitis with images of fecal loading in the cecum,METHODS： Plain abdominal radiographs of 400 patients operated upon for acute appendicitis （n = 100）, acute cholecystitis （n = 100）, right acute pelvic inflammatory disease （n = 100） and right nephrolithiasis （n = 100） were assessed. The presence of fecal loading was recorded and the sensitivity and specificity of this sign for acute appendicitis were calculated.RESULTS： The presence of fecal loading in the cecum occurred in 97 patients with acute appendicitis, 13 patients with acute cholecystitis, 12 patients with acute inflammatory pelvic disease and 19 patients with nephrolithiasis. The sensitivity of this sign for appendicitis was 97% and its specificity to this disease was 85.3%. Its positive predictive value for appendicitis was 68.7%; however, its negative predictive value for appendicitis was 98.8%.CONCLUSION： The present study suggests that the presence of radiological images of fecal loading in the cecum may be a useful sign of acute appendicitis, and the absence of this sign probably excludes this disease.This is the first description of fecal loading as a radiological sign for acute appendicitis.
文摘Chlorpyrifos is a well known organophosphorus pesticide used worldwide. Microorganisms including bacteria, fungi and actinomycetes have been reported to be efficient degraders of chlorpyrifos. The present study was successful in isolating a novel fungus that could degrade chlorpyrifos effectively upto 800 ppm concentration. Morphological and molecular characterization studies revealed the identity of the fungus as Isariafarinosa.
