07 July 2022
: Case report 
Pancoast Tumor Presenting as Neck Pain in the Chiropractic Office: A Case Report and Literature Review
Challenging differential diagnosis, Rare disease
Eric Chun-Pu Chu
1ABCDE, Robert J. Trager 2CDEF*, John Sing Fai Shum3BCDE, Colin Ritchie Lai1ABCE
DOI: 10.12659/AJCR.937052
Am J Case Rep 2022; 23:e937052
Table 1. Patients with an undiagnosed Pancoast tumor presenting to a chiropractor.
| Author | Year | Patient age | Sex | Symptoms | Risk factors or red flags | Initial means of diagnosis |
|---|---|---|---|---|---|---|
| Berntheizel | 2021 | 52 | M | Cervicothoracic pain with upper extremity radiation | Smoking | Identified via radiography |
| Chu (current case) | 2022 | 59 | M | Shoulder and neck pain and numbness | Smoking, tuberculosis | Identified via spinal magnetic resonance imaging |
| Deltoff | 1985 | 68 | M | Pain radiating into the C6, C7, and C8 dermatomes | NR | Not diagnosed by chiropractor, but after seeking medical care |
| Downs | 1990 | 48 | F | Neck, shoulder, axilla, and upper extremity symptoms | Smoking | Identified via cervical spine radiograph |
| Kim | 1993 | 48 | M | Neck and arm pain | Smoking | Not identified by chiropractor or cervical spine imaging. Patient diagnosed by neurosurgery |
| Patel | 2003 | 51 | M | Shoulder and arm pain | Smoking | Referred for medical workup by chiropractor |
| Weiner | 2001 | 47 | M | Neck and shoulder stiffness | Unintentional weight loss | Identified via radiography (spine, chest) |
| F – female; M – male; NR – not reported. | ||||||