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- Title
Insular carcinomas of the thyroid exhibit poor prognosis and long-term survival in comparison to follicular and papillary T4 carcinomas.
- Authors
Agha, Ayman; Glockzin, Gabriel; Woenckhaus, Matthias; Dietmaier, Wolfgang; Iesalnieks, Igors; Schlitt, Hans J.
- Abstract
Insular thyroid carcinoma was described as a tumor with aggressive behavior, and patients usually present themselves with an advanced tumor stage. Whether the insular component is an independent factor for poor prognosis remains unclear. Therefore, in the present study, we compared the survival of patients with advanced insular, follicular, and papillary thyroid cancer. The clinical behavior of tumors in three groups of patients with T4 thyroid carcinoma—8 patients with insular, 11 patients with follicular, and 21 patients with papillary thyroid carcinomas—was compared. Disease-free survival and disease-specific death were analyzed statistically. Cox regression analysis was used to evaluate the influence of histotype and other prognostic factors. At 3 years, survival was 37.5% (mean 26 months) among patients with insular thyroid carcinoma, 80% (mean 59 months) among those with follicular, and 89% (mean 126 months) among those with papillary thyroid carcinomas ( p = 0.007). Disease-free survival in patients without initial distant metastasis was worst in patients with insular thyroid carcinoma (20%) compared to those with follicular (75%) and those with papillary thyroid carcinomas (71%). Patients with advanced insular thyroid carcinoma have a poorer outcome in comparison to patients with similar advanced stage who have follicular or papillary thyroid carcinoma.
- Subjects
THYROID diseases; CANCER patients; PROGNOSIS; TUMORS; CANCER invasiveness; REGRESSION analysis
- Publication
Langenbeck's Archives of Surgery, 2007, Vol 392, Issue 6, p671
- ISSN
1435-2443
- Publication type
Article
- DOI
10.1007/s00423-006-0122-9