Egg shell” calcification is seen in
A. Bronchiolitis
B. Silicosis
C. Ca. bronchus
D. Sarcoidosis
E. Histoplasmosis
A. Bronchiolitis
B. Silicosis
C. Ca. bronchus
D. Sarcoidosis
E. Histoplasmosis
Ans.
(B) Silicosis ;(D) Sarcoidosis
• Egg cell calcification is peripheral rim calcification of lymphnodes. It is seen in
— Silicosis- Seen approximatly 5% of silicotics. Predominantly hilar lymphnodes may also be observed in anterior or posterior mediastinal lymphnode.
Sarcoidosis-about 5% pt of sarcoidosis present as egg cell calcification.
— Other causes of egg shell calcification
(i) following radiotherapy : appear 1-9 yrs. post radiation.
(ii) Pneumoconiosis- in 1%
cases • Egg cell calcification is peripheral rim calcification of lymphnodes. It is seen in
— Silicosis- Seen approximatly 5% of silicotics. Predominantly hilar lymphnodes may also be observed in anterior or posterior mediastinal lymphnode.
Sarcoidosis-about 5% pt of sarcoidosis present as egg cell calcification.
— Other causes of egg shell calcification
(i) following radiotherapy : appear 1-9 yrs. post radiation.
