Blue nevus with tubule and pseudoacini formation.

@article{Schopper2015BlueNW,
  title={Blue nevus with tubule and pseudoacini formation.},
  author={Heather K Schopper and M. S. Stone and Karolyn A. Wanat},
  journal={Journal of cutaneous pathology},
  year={2015},
  volume={42 11},
  pages={914-5}
}