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2062323 
Journal Article 
CUTANEOUS SARCOIDOSIS AND FOREIGN-BODIES - AN ELECTRON-PROBE ROENTGENOGRAPHIC MICROANALYTIC STUDY 
Valbernal, JF; Sanchezquevedo, MC; Corral, J; Campos, A 
1995 
Yes 
Archives of Pathology and Laboratory Medicine
ISSN: 0003-9985
EISSN: 1543-2165 
119 
5 
471-474 
English 
7748079 
WOS:A1995QX38400022 
A 60-year-old woman had extensive and recurrent foreign-body granulomatous inflammation of her forehead. The granulomata contained double refractile crystalline material. Electron probe roentgenographic microanalysis identified silicon, calcium, aluminum, potassium, and sulphur in the crystalline material. Silicon-rich particles are generally considered exogenous. A diagnosis of sarcoidosis was confirmed by the presence of bilateral hilar and mediastinal lymphadenopathy due to biopsy-proven nodal replacement by noninfectious noncaseating granulomata. We conclude that foreign matter may operate as a nidus for the formation of granuloma in sarcoidosis and that the presence of polarizable matter in a sarcoid granuloma does not rule out sarcoidosis.