oleo·tho·rax -'thō(ə)r-.aks, -'thȯ(ə)r- n, pl -tho·rax·es or -tho·ra·ces -'thōr-ə-.sēz, -'thȯr- a state in which oil is present in the pleural cavity usu. as a result of injection compare PNEUMOTHORAX
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n.
the procedure of introducing paraffin wax extrapleurally so that the lung is allowed to collapse. This was sometimes formerly undertaken to allow closure of tuberculous cavities within the lung.
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oleo·tho·rax (o″le-o-thoґraks) a method of collapse therapy in which oil or paraffin was inserted into part of the thoracic cavity.Medical dictionary. 2011.