Egg shell calcification seen in silicosis is due to
Correct Answer: Hilar lymphnode enlargement
Description: (a) Hilar lymphnode enlargement > Enlargement of the hilum is common with chronic and accelerated silicosis. In about 5-10% of cases, the nodes will calcify circumferentially, producingso-called "Eggshell" calcification.> This finding is not pathognomonic (diagnostic) of silicosis. In some cases, the pulmonary nodules may also become calcified.
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