“…Until now 22 cases of powder aspiration have been reported (Cless and Anger, 1954;Gould and Barnardo, 1972;Gouvea et al, 1966;Heiman and Aschner, 1922;Hughes and Kalmer, 1966;Jenkins, 1963;Lund and Feldt-Rasmussen, 1969;Molnar et al, 1962;Tortorolo and Romano, 1966). The patients were mainly children around 1 year of age.…”