A pancoast tumor, also pancoast tumour (UK) or superior sulcus tumor, is a tumor of the pulmonary apex i.e. a type of lung cancer defined primarily by its location situated at the top end of either the right or left lung. The growing tumor causes disruption of the sympathetic ganglion due to pressure on it.

Pancoast tumors are named for Henry Pancoast, a US radiologist, who described them in 1924 and 1932.

 

Symptoms

 Symptoms can include miosis (constriction of the pupils), anhidrosis (lack of sweating), ptosis (drooping of the eyelid), and in severe cases, a complete Horner's syndrome. In progressive cases, the brachial plexus is also affected, causing pain and weakness in the muscles of the arm and hand.

 In superior vena cava syndrome, obstruction of the superior vena cava by a tumor (mass effect) causes facial swelling, cyanosis and dilatation of the veins of the head and neck.

 A pancoast tumor is an apical tumor that is typically found in conjunction with a smoking history. The clinical signs and symptoms can be confused with neurovascular compromise at the level of the thoracic outlet. The patient's smoking history, rapid onset of clinical signs and symptoms, and pleuritic pain can suggest an apical tumor.

 Treatment

 The treatment of a Pancoast lung cancer may differ to that of other types of non-small cell lung cancer due to its position and close proximity to vital structures (such as nerves and spine) which may make surgery difficult to be undertaken. As a result, and depending on the stage of the cancer, treatment may often involve radiation and chemotherapy given pre-operatively (neoadjuvant treatment) prior to surgery.

 

 

 

 

 

 

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