Eosinophilic Granuloma of the Lung

"EXTENSIVE pulmonary involvement may be found in Letterer–Siwe disease, Hand-Schiiller Christian disease and eosinophilic granuloma of bone. Originally, these conditions were described as individual entities. Recently, however, there is a growing sentiment that they are variations of the same basic pathologic process and represent the acute or chronic and localized or disseminated form of the same disorder. Primary eosinophilic granuloma of the lung, with or without other visceral or skeletal involvement, though rare, has been more frequently recognized since Farinacci, Jeffrey and Lackey1 first described 2 cases in 1951. Thompson et al.,2 in 1958, reported an additional case, bringing the . . .