In which condition of the lung,the following type of X ray picture is seen?
A. Pulmonary Tuberculosis.
B. Interstitial Lung Disease.
C. Bronchial Carcinoma.
D. Pulmonary metastases.
Ans:D. Pulmonary Metastases
- Cannonball metastases refer to large, well circumscribed, round pulmonary metastases that appear, well, like cannonballs.
- Metastases with such an appearance are classically secondary to: renal cell carcinoma , choriocarcinoma
- Or less common primary tumours: prostate cancer , synovial sarcoma , endometrial carcinoma