Blue nevus of the lymph node capsule.

@article{Masci1984BlueNO,
  title={Blue nevus of the lymph node capsule.},
  author={Piergiorgio Masci and Antonio Ciardi and Ugo Di Tondo},
  journal={The Journal of dermatologic surgery and oncology},
  year={1984},
  volume={10 8},
  pages={596-8}
}