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[Multiple primary cancers of the head and neck]
1Dept. of Otolaryngology, Tokyo Metropolitan Komagome Hospital.
Gan No Rinsho. Japan Journal of Cancer Clinics
|November 1, 1990
Summary
This study found that multiple primary cancers in head and neck cancer patients often involve the esophagus. Early detection of secondary esophageal cancers is possible with lugol stain and gastrointestinal endoscopy.
Area of Science:
- Oncology
- Gastroenterology
- Otolaryngology
Background:
- Head and neck cancers represent a significant oncological challenge.
- Multiple primary cancers (MPCs) can complicate treatment and prognosis.
- Understanding the patterns of MPCs in head and neck cancer is crucial for effective management.
Observation:
- A retrospective analysis of 138 head and neck cancer cases treated between January 1985 and June 1988.
- Six cases (4.3%) presented with multiple primary cancers.
- The majority of patients with MPCs were male, with a history of heavy smoking and alcohol consumption.
Findings:
- The most common primary head and neck cancer site was the hypopharynx.
- Secondary cancers frequently occurred in the upper digestive tract, particularly the esophagus.
- While esophagography missed some early esophageal cancers, lugol stain and gastrointestinal endoscopy proved effective for detection.
Implications:
- Highlights the importance of screening for secondary upper digestive tract malignancies, especially esophageal cancer, in head and neck cancer patients.
- Emphasizes the diagnostic utility of lugol stain and gastrointestinal endoscopy for early detection of esophageal lesions.
- Suggests that risk factors like smoking and alcohol contribute to the development of multiple primary cancers in this patient population.