a european survey on public health policies for managing cases of meningococcal disease and their contacts in 2007 a european survey was conducted to compare national policies on public health management of cases of meningococcal disease and their contacts the results revealed differences in definitions of close contacts and prophylactic regimens between countries these differences can be attributed to a lack of evidence on optimal prevention and treatment strategies the development of guidance for best practice in priority areas based on evidence or consensus is therefore recommended minute lesions of esophageal cancer fiftyfour cases of minute esophageal cancer 1 cm or less in the greatest dimension were collected and analyzed of these 67 were mucosal cancer and 28 were submucosal cancer prognosis was anticipated to be good as there was only one case of lymph node metastasis and three of vascular invasion a lesion of 1 cm can be regarded as curable regardless of its depth of invasion the endoscopic approach with use of a dye staining technique is useful for detection of or screening for minute esophageal cancer