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Pancoast Tumor


Overview of Pancoast Tumor

overview

Occasionally, tumors of the lung arise at its apex, or upper segment. These tumors may the adjacent structures of the brachial plexus and upper thoracic spine. Pain, weakness and Horner's syndrome may occur.

Causes of Pancoast Tumor

causes

Pancoast tumors most commonly represent local extension of a squamous cell cancer of the upper portion of the lung. As it progresses, it involves the adjacent nerves of the upper thoracic spine and the brachial plexus.

Signs and Symptoms of Pancoast Tumor

signs and symptoms

Horner's syndrome may occur from Pancoast's tumor. Here, the eye on the side of the cancer may have a smaller pupil and the eyelid may droop. The same side of the face may appear drier and without sweating. Numbness of the inner arm and hand occurs. Weakness of the hand and triceps occurs. There may be pain in the shoulder, the arm and under the shoulder blade.



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Medical Content Last Updated on 07/12/2008

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