To the Editor:—
In The Journal of April 26, page 1284, an editorial comment, "Eosinophilic Granuloma of Bone," discussed the bone lesion which we described under this name (Lichtenstein, L., and Jaffe, H. L.: Eosinophilic Granuloma of Bone, with Report of a Case, Am. J. Path.16:595, 1940). It pointed out that the condition often takes the form of a solitary destructive bone lesion but may take a multiple form and that visceral lesions (or at any rate visceral manifestations) are not ordinarily a part of the disease picture in these cases. The editorial comment also referred to a later article by us (Jaffe, H. L., and Lichtenstein, L., Arch. Path.37:99, 1944), which presented our expanded concept of eosinophilic granuloma of bone and evaluated the known facts concerning the connecting links (already suggested by W. T. Green and S. Farber [Eosinophilic or Solitary Granuloma of Bone, J.