The paper records cases of rare pleuropericardial cysts to add to the literature regarding their clinical features and pathology.
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Expands awareness of rare pleuropericardial cysts; extends sparse literature but leaves management questions open.
SINCE 1934, when Pickhardt1first reported the successful removal of a pleuropericardial cyst from the mediastinum, numerous reports have appeared in the literature on the subject of thin-walled cysts formed in close relationship to the pericardium, often in the costophrenic angle or high in the mediastinum. Characteristically, these cysts are filled with clear watery fluid and are lined by mesothelium or endothelial-like cells. Two recent contributions to this subject by Drash and Hyer,2and Lillie, McDonald, and Clagett,3of the Mayo Clinic, include opinions not only as to the origin of these cysts in relation to the embryological development of the pericardium, but also reviews of previously reported cases as well as the clinical features and pathology of their own series. Because of the rarity of these mediastinal cysts, although it is possible that many of the cases have not been reported, it seemed justifiable to record
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Carl Davis (1953) studied this question.
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