"Ring-Like Mass" Surrounding the Cervix of a Primary Incisor. Report of a Challenging Case.

Background: Several lesions of diverse origin may be detected in the oral cavity of children, affecting the oral mucosa, jaws, or teeth. In equivocal cases, their clinicopathologic features may show considerable overlap with various entities. We present a case of a "ring-like" hard mass around the cervical area of a primary tooth in a child and discuss the diagnostic challenges.

Epidemiology and molecular analysis of intestinal colonization by vancomycin-resistant enterococci in greek hospitals.

From 1,246 specimens collected from 13 Greek hospitals, 266 vancomycin-resistant enterococci strains were isolated from 255 patients (20.5%). The VanA phenotype was present in 82 (30.