PMC6383188_01
Imaging studies (A) chest radiograph with diffuse ground glass opacification of both lung fields. (B) "bone-within-bone" appearance in all metacarpal and proximal phalanx of bones (black arrows) of the left hand.
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A chest radiograph showed diffuse ground glass opacification of both lung fields (Fig. 1A). A skeletal survey exhibited unusual "bone-within-bone" appearance in all metacarpal and proximal phalanx of bones (Fig. 1B, black arrows) of the hands and feet.
PMC6383188_02