0 CXR - Opacities denser than calcium


MCQ 125

Q. Discrete opacities denser than calcium are seen on Chest X-Ray and CT scan in ?

a. Silicosis
b. Sarcoidosis
c. Berylliosis
d. Stannosis


ANSWER:
Answer : D - Stannosis. It is caused by inhalation of tin oxide. Tin has a higher atomic number and hence results in denser opacities as compared to calcium.



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