Lung - nontumor
Siderosis (Welder's pneumoconiosis)

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 1 March 2017, last major update September 2011

Copyright: (c) 2003-2017,, Inc.

PubMed search: siderosis [title] pulmonary

Table of Contents
Definition / general
Cite this page: Siderosis (Welder's pneumoconiosis). website. Accessed November 14th, 2018.
Definition / general
  • Associated with iron workers and welders
  • Welders exposed to fumes with metal oxide particles 0.1 to 1.0 μm in diameter (iron, titanium, manganese and aluminum)
  • Lungs usually heavily pigmented without significant fibrosis
  • Aluminum (separate topic) has higher risk for significant pulmonary disease
  • Concurrent cigarette smoking, asbestos exposure may complicate clinical and pathologic findings
  • Micro: dust within interstitium, usually iron predominates