Introduction: Concurrent occurrence of soft tissue chondromas and periosteal chondromas is a rare but with same basic pathology as the enchondroma except their location. Case Report: A 52 years male came with chest pain and difficulty in breathing in the department of medicine. He was diagnosed as a case of chronic obstructive lung disease with cardiomegaly. After the external chest wall swelling appeared patient was investigated and diagnosed as having periosteal chondroma arising from the 9th rib. Thoracotomy was performed by giving incision along 8th rib and the mass was resected en masse along with small portions of the eight, nine and tenth rib. Histopathological examination confirmed the lesion to be a concurrent soft tissue chondroma and periosteal chondroma of rib. On follow-up at six months, the patient's was asymptomatic. Conclusion: Periosteal chondroma growing inward could be a life-threatening situation and should be resected. In all cases of cardiolmegaly intrathoracic tumors should be kept in mind.
Cardiomegaly, En bloc excision, Periosteal chondroma, Thoracotomy