Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

The hourglass appearance of the neurofibroma on rectal ultrasound

A case report

  • 57 Accesses

  • 1 Citations


Colorectal manifestation of von Recklinghausen’s disease is a rare entity. The typical dumbbell shape of the lesion has been described previously, but only from a resected cecal specimen. The authors present the endosonographic appearance of a rectal neurofibroma, which shows a similar hourglass shape, thus facilitating the diagnosis.

Author information

Correspondence to M. Kassai.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Kassai, M., Illényi, L., Horváth, Ö.P. et al. The hourglass appearance of the neurofibroma on rectal ultrasound. Surg Endosc 16, 1637 (2002).

Download citation

Key words

  • Neurofibroma
  • von Recklinghausen’s disease
  • Rectal ultrasound