Walthard cell rest
Image:Walthard cell rest - very low mag.jpg|thumb|right|Micrograph of a cystic Walthard cell rest within the connective tissue of a fallopian tube. H&E stain.
Walthard cell rests, sometimes called Walthard cell nests, are a benign cluster of epithelial cells most commonly found in the connective tissue of the fallopian tubes, but also seen in the mesovarium, mesosalpinx and ovarian hilus.
Appearance
Image:Walthard cell rest - very high mag.jpg|thumb|High magnification micrograph of a cystic Walthard cell rest showing the characteristic coffee bean-shaped nuclei. H&E stain.They appear as white/yellow cysts or nodules that can reach a size of 2 millimeters. They typically have elliptical nuclei with a long groove – so-called "coffee bean" nuclei.