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DNA content in adenoid cystic carcinomas
G Franzén1, S Nordgård, M Boysen
1Department of Otolaryngology, University Hospital, Trondheim, Norway.
Head & Neck
|January 1, 1995
Summary
DNA ploidy and histologic grading are key prognostic factors for adenoid cystic carcinomas. These assessments, including S-phase value, aid in evaluating patient prognosis and treatment strategies.
Area of Science:
- Oncology
- Pathology
Background:
- Retrospective study of 51 adenoid cystic carcinoma (ACC) patients.
- Investigated correlation between DNA ploidy, tumor stage, histopathologic grading, and prognosis.
Purpose of the Study:
- To determine if DNA ploidy, tumor stage, and histopathologic grading correlate with prognosis in ACC.
- To establish prognostic markers for ACC.
Main Methods:
- Histopathologic grading performed using Szanto et al. criteria.
- DNA content estimation from archived tissues via Hedley et al. technique.
Main Results:
- 39 tumors were DNA diploid; 12 were DNA aneuploid.
- Histologic grade III was significantly associated with DNA aneuploidy (p=0.011).
- DNA ploidy correlated with clinical stage (p=0.011); S-phase value and DNA ploidy showed significance in treatment failure analysis.
Conclusions:
- DNA ploidy, S-phase value, and histologic grading are significant prognostic factors in ACC.
- These parameters should be integrated into the clinical evaluation of ACC patients.