A case report of Pancoast tumor presenting as cervical radiculopathy
Journal of Surgery and Trauma
Horner's syndrome    9] . Because the symptoms are vague, they can be mistaken for a more frequent condition affecting the neck and shoulder, and thereby delayed diagnosis can happen  . Pancoast tumor is a treatable disease, but the survival depends on how quickly the proper diagnosis is established  . Delayed diagnosis of Pancoast tumor usually affects the treatment plan and patient prognosis . We report a case of Pancoast tumor misdiagnosed as cervical discopathy and frozen
... copathy and frozen shoulder for 17 months. Abstract Pancoast tumor accounts for 3%-5% of all non-small cell lung carcinomas. This tumor has a distinct clinical presentation through local invasion and the resulting clinical entity called Pancoast syndrome. This syndrome includes severe shoulder pain, arm pain, and Horner's syndrome andatrophy of forearm and hand muscles. The differential diagnosis of arm and shoulder pain is extensive. Thoracic outlet syndrome and cervical disk disease are commonly mistaken for the Pancoast syndrome in the early clinical course. Diagnosis of Pancoast tumor is often late, and misdiagnosis is a common problem that can affect the prognosis. Therefore, Pancoast tumor should always be considered in differential diagnosis of radicular pain of the upper extremity. We report a case of 55-year-old man who was admitted with right side severe pain in the back of the neck, shoulder and arm with numbness and tingling sensation in the medial aspect of the forearm and 4 th and 5 th fingers. These symptoms had initiated from 17 months ago, and the patient was treated for cervical discopathy and frozen shoulder.