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Computed tomography of the clinically negative neck.
W B Stern1, C E Silver, B A Zeifer
1Department of Otolaryngology, Albert Einstein College of Medicine, Bronx, NY.
Head & Neck
|March 1, 1990
Summary
Computed tomography (CT) aids in detecting occult cervical metastases in head and neck squamous cell carcinoma. While not perfect, CT improves selection for elective neck treatment when combined with clinical staging.
Area of Science:
- Oncology
- Radiology
- Head and Neck Surgery
Background:
- Squamous cell carcinoma of the head and neck often presents without palpable lymphadenopathy.
- Accurate staging of cervical lymph node involvement is crucial for treatment planning.
Purpose of the Study:
- To correlate preoperative computed tomography (CT) findings with postoperative pathology in patients with head and neck squamous cell carcinoma and no palpable lymphadenopathy.
- To evaluate the diagnostic accuracy of CT in identifying occult cervical metastases.
Main Methods:
- Multi-institutional review of 59 patients with squamous cell carcinoma of the oral cavity, pharynx, and larynx.
- All patients underwent preoperative CT of the neck followed by cervical lymphadenectomy.
- Correlation of CT findings with histopathological results.
Main Results:
- Occult cervical metastases were found in 28% of patients (16/59).
- CT demonstrated 38% sensitivity and 81% specificity for detecting metastatic disease.
- Central lucency and nodal confluence were reliable indicators of malignancy on CT.
Conclusions:
- CT is a valuable adjunct to physical examination for identifying occult cervical metastases in head and neck cancer.
- CT findings, combined with primary tumor stage, aid in selecting patients for elective neck treatment.
- Further refinement of CT interpretation may improve diagnostic accuracy for nodal involvement.