PULMONARY BONE MARROW EMBOLISM: A REVIEW OF 350 NECROPSY CASES

Of a total of 350 necrospy cases, 71 were instances of pulmonary bone marrow embolism. The number of emboli did not vary significantly depending on whether the destruction of bone marrow was observed or not. However, the size of emboli and the number of nucleated cells increased in cases in which the destruction of bone marrows was observed. In other words, when the bones and bone marrows were destroyed to some extent, the size of emboli increased. In contrast with this, the number of emboli did not vary significantly depending on the magnitude of the destruction of bones and bone marrows. Of a total of 62 cases of which clinical histories were available, 60 were instances in which cardiac massage was carried out. The numbers and sizes of emboli varied significantly depending on whether cardiac massage was carried out or not. In other words, the number of bone marrow emboli was significantly high in cases in which cardiac massage was carried out. We suggested that cardiac massage was the most important of all predisposing factors of bone marrow embolism.