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May 1, 1909, Vol LII, No. 18 >
ARTICLE | May 1, 1909

AN UNDEVELOPED FIRST DORSAL RIB SIMULATING A CERVICAL RIB

GEORGE F. THOMAS, Ph.B., M.D.
JAMA. 1909;LII(18):1405. doi:10.1001/jama.1909.25420440033003f.
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The accompanying radiograph shows a rather unusual and interesting anomaly:

The patient, Van S., was a white man, aged 40. In the course of the routine physical examination there was discovered a hard immovable mass in the left supraclavicular space. It could be traced to the back of the neck and felt like a cervical rib. When the left shoulder was raised the mass disappeared behind the clavicle, showing that there was no attachment. There was no palpable difference between the right and left sides of the upper part of the sternum, except that the left clavicle seemed to be slightly lower than the right. The pulsation of the subclavian artery could be felt in the supraclavicular space and a soft thrill was palpable. The left radial pulse was not affected. The swelling apparently never caused symptoms. No other physical anomalies were discovered.

A similar case was reported by Dr.

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BMJ 2010;341:c5893-c1494.
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