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[Clinical study on prognostic factors in thyroid carcinoma]
T Tachikawa1, H Kumazawa, R Kyomoto
1Department of Otolaryngology, Kansai Medical University, Osaka.
Nihon Jibiinkoka Gakkai Kaiho
|March 22, 2001
Summary
This study on thyroid carcinoma found that while both papillary and follicular types have high survival rates, advanced disease and specific factors like extracapsular spread impact outcomes. Treatment involved hemithyroidectomy and varied lymph node dissections.
Area of Science:
- Endocrinology
- Surgical Oncology
- Oncology
Context:
- Thyroid carcinoma presents a significant clinical challenge, with papillary and follicular subtypes being most common.
- Understanding treatment patterns and prognostic factors is crucial for improving patient outcomes.
Purpose:
- To analyze treatment modalities, locoregional recurrence, distant metastasis, and survival rates in patients with papillary and follicular thyroid carcinoma.
- To identify prognostic factors influencing survival in different thyroid carcinoma subtypes.
Summary:
- A retrospective analysis of 227 thyroid carcinoma patients (177 papillary, 50 follicular) treated between 1984-1998.
- Treatment included hemithyroidectomy in 70% of cases, with varied neck dissection strategies (D1, D2/D3).
- Locoregional recurrence (22 patients) and distant metastasis (6 cases) were observed. Advanced disease (pT3/pT4, N1a/N1b) was associated with mortality. Prognostic factors included extracapsular spread, age, and distant metastasis for papillary, and distant metastasis for follicular carcinoma.
Impact:
- The study highlights the generally favorable prognosis for both papillary and follicular thyroid carcinoma, with 5-year survival rates exceeding 93%.
- Identified prognostic factors can guide personalized treatment strategies and risk stratification for thyroid cancer patients.
- Long-term survival data reinforces the importance of comprehensive management and follow-up for thyroid carcinoma.