Intrapulmonary Enterogenous Cyst

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A very rare form of intrapulmonary cyst is an enterogenous cyst two examples of which were described by Ward and Krahl [1942]. Microscopically, the cyst wall is lined by gastric or intestinal type of mucous membrane which may include islets of pancreatic tissue; their walls contain muscle but no cartilage. We recently experienced a case of intrapulmonary enterogenous cyst. The patient was 30-year-old-male who showed chest pain and tightness after chest trauma. Chest X-ray revealed pneumothorax in both lung field with giant bullae in left upper lung field, right 6th and 7th rib fracture. Left lower lobectomy including cyst was done and the postoperative course was uneventful.