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Cystic Pulmonary Hamartoma

Departments of Radiology and Thoracic Surgery, The Hospital of St. Raphael, New Haven 11, Connecticut, U.S.A.

This excerpt was created in the absence of an abstract.

Cystic pulmonary hamartomas are exceedingly rare, only four well-documented cases have been previously reported. Bateson and Abbott (1960), in a recent extensive review of the radiological appearances of 253 hamartomas, presented a single case of a 5 cm hamartoma containing an irregular lucent area which at surgery proved to be a blood-filled cyst. Adams (1957) described a 2·5 cm cystic hamartoma filled with mucoid material. The cyst wall consisted of cartilage enclosed within a capsule of ciliated columnar epithelium and fibrous tissue. Jackson, McDonald and Clagett (1956) presented two huge cystic hamartomas; both measured over 15 cm in diameter. One case contained a large blood-filled cyst: the second was a cystic air-filled hamartoma very similar in radiological appearance to the case presented below.

A 39-year-old Italian male electrician was admitted to the hospital for investigation of a lesion in the left lower lobe. He denied all pulmonary symptoms. The lesion was detected on a routine chest photoröntgen: previous survey films had always been reported negative. During military service, he visited African and South American ports, but had no significant illnesses.