Eosinophilic Granuloma of Parotid Gland and Thymus

Introduction  Since the term "eosinophilic granuloma" was coined by Lichtenstein and Jaffé ¹ for a recognized bone lesion in 1940, and since the suggested nosologic relationship between Hand-Schüller-Christian, Letterer-Siwe, and eosinophilic granuloma of bone by Farber,² numerous reports of histologically similar lesions have been reported in the following locations: lung,³ gastrointestinal tract, particularly the stomach,⁴ skin,^5,6 urinary bladder,7 prostate, and vulva.⁸ It is the intent of this paper to report a case of "eosinophilic granuloma" of the thymus and a case of eosinophilic granuloma occurring in the parotid glands, bilaterally; these both occurred in children.

Report of Cases  Case 1.—This 12-year-old Chinese male was well until three days before admission when he developed fever of 101 F in the evening. During this time he complained of headache, anorexia, epistaxis, and arthralgia of the right knee and left ankle. He was admitted to the hospital with