Tumors of the carotid body are so rare that few surgeons see more than one in a lifetime. In 1929, Bevan and McCarthy1 collected and tabulated 134 reported cases. From their series it is strikingly apparent that operative removal of these growths is associated with a very high mortality (33 per cent) and a long list of complications (30 per cent).
The following case was attended by one of us:
A woman, aged 53, sought medical advice in April, 1931, because of dyspnea, tachycardia, nervousness, irritability and dizzy spells. There had also been some dysphagia. For nine years she had noticed a small nodule below the angle of the left mandible, and for the last five years the thyroid had been increasing in size. The small nodule at the angle of the mandible had enlarged gradually and at times became very painful. This pain radiated to the left postauricular