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1 Clinical Professor of Surgery
2 Chairman, Department of Pathology
3 Associate Professor of Radiology
One hundred fifty cases of hydatid cysts of the lung were observed in a 13-year period; 10 per cent had bilateral involvement.
2. Symptoms are vague and diagnosis is made on x-ray findings. Spontaneous rupture of the cyst leads to hemoptysis, expectoration of cyst membranes, cough and sudden chest pain. Bronchoscopy or bronchography are contraindicated.
3. Non-ruptured cysts are easily removed. Ruptured cysts, if rupture persists longer than 10-14 days, are always superinfected and display a dense fibrous cyst wall, as well as marked parenchymal reaction.
4. Eleven cysts only required segmental resection or lobectomy. Unruptured cysts are easily removed. Previous injection with corrosive material and evacuation of cyst fluid is unnecessary and risky. Closure of air leaks in infected cyst cavities could be achieved with steel wire sutures.
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