Stains
Fontana-Masson
Copyright: 2003-2015, PathologyOutlines.com, Inc.
PubMed Search: Fontana-Masson
Fontana-Masson
Author: Lauren N. Stuart, M.D., M.B.A.
Topic Completed: 1 June 2013
Minor changes: 5 March 2019
Copyright: 2003-2015, PathologyOutlines.com, Inc.
PubMed Search: Fontana-Masson
Table of Contents
Definition / general | Microscopic (histologic) images | Positive staining - normal | Positive staining - diseaseCite this page: Stuart L. Fontana-Masson. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stainsfontana.html. Accessed May 26th, 2020.
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
- Any cell containing melanin (e.g. melanocyte, Hum Pathol 2012;43:898)
Positive staining - disease
- Any melanin containing cell; also some forms of yeast and yeast-like organisms (Hum Pathol 2012;43:898)
