Stains
Fontana-Masson

Author: Lauren N. Stuart, M.D., M.B.A. (see Authors page)

Revised: 17 December 2015, last major update June 2013

Copyright: (c) 2003-2015, PathologyOutlines.com, Inc.

PubMed Search: Fontana-Masson
Cite this page: Fontana-Masson. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stainsfontana.html. Accessed May 23rd, 2017.
Definition / general
  • Melanin stain
  • Interpretation: melanin granules reduce ammonia-silver nitrate and turn black, but difficult to interpret faint staining in sparsely positive cells
Microscopic (histologic) images

Images hosted on other servers:

Melanoma

Melanotic neuroectodermal tumor of infancy

Positive staining - normal
Positive staining - disease