Epithelialised and non-epithelialised fistulae of Crohn’s disease (CD) patients and controls by electron microscopy
| Sex | Age at surgery (y) | Location of fistula | Epithelialised/non-epithelialised | Disease |
|---|---|---|---|---|
| Male | 31 | Sigma | Epithelialised | CD |
| Male | 33 | Terminal ileum | Epithelialised | CD |
| Male | 71 | Perianal | Non-epithelialised | CD |
| Female | 42 | Perianal | Epithelialised | Non-CD |
| Female | 73 | Sigma | Epithelialised | Non-CD |
| Male | 34 | Perianal | Non-epithelialised | Non-CD |