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  • Title: Aggressive Palliation and Survival in Anaplastic Thyroid Carcinoma.
    Author: Nachalon Y, Stern-Shavit S, Bachar G, Shvero J, Limon D, Popovtzer A.
    Journal: JAMA Otolaryngol Head Neck Surg; 2015 Dec; 141(12):1128-32. PubMed ID: 26512447.
    Abstract:
    IMPORTANCE: Anaplastic thyroid carcinoma is an undifferentiated aggressive tumor with a high rate of regional and distant spread and a grave prognosis (median survival, 3 months) with no standardized treatment. OBJECTIVE: To review the effect of an active treatment policy on the outcome of anaplastic thyroid carcinoma. DESIGN, SETTING, AND PARTICIPANTS: Retrospective comparative study of all patients diagnosed as having anaplastic thyroid carcinoma and undergoing treatment from January 1, 2008, through December 31, 2013, in a tertiary university-affiliated medical center. Data were collected by medical record review. Final follow-up was completed on November 30, 2014. Data were analyzed from December 1 to 3, 2014. INTERVENTIONS: Treatment options included surgery and adjuvant concomitant radiotherapy and chemotherapy with doxorubicin hydrochloride or paclitaxel for local disease; full-dose chemoradiotherapy (70 Gy to the gross tumor) for local disease when surgery was not feasible; aggressive palliative radiotherapy (50 Gy to the gross tumor) for metastatic disease; and palliative radiotherapy (≤ 30 Gy) for metastatic disease with a low performance status. MAIN OUTCOMES AND MEASURES: Survival time and quality of life. RESULTS: Of the 26 patients (including 15 women) who met the inclusion criteria, 11 underwent radiotherapy with curative intent. These patients included 5 who underwent curative surgery (5 with chemotherapy) and 6 who received primary chemotherapy. Nine patients received aggressive palliative radiotherapy, and 3 received palliative radiotherapy. The remaining 3 patients were not treated. Curative radiotherapy was associated with a significantly longer overall median (95% CI) survival time (11 [8.1-13.9] months) than aggressive palliative radiotherapy (6 [3.1-8.9] months), palliative radiotherapy (3 [0.0-7.8] months), and no treatment (1 month) (P < .001). Chemotherapy in 10 patients had a significant effect on survival (mean [95% CI], 11 [1.2-6.8] vs 4 [8.1-13.9] months for patients who did not receive chemotherapy; P = .01). Among the patients who underwent surgery and curative radiotherapy, 3 were alive after more than 3 years of follow-up. No association of survival with patient sex (median [95% CI] survival for men and women, 9 [3.6-14.4] and 5 [0.3-9.7] months, respectively; P = .54) or a history of thyroid disease (median [95% CI] survival for those with and without, 4 [1.0-6.9] and 9 [5.4-12.5] months, respectively; P = .15) was found. CONCLUSIONS AND RELEVANCE: Anaplastic thyroid carcinoma has a grave prognosis, but an aggressive approach, including surgery, chemotherapy, and radiotherapy, seems to improve survival. Higher doses of radiotherapy may have a survival benefit in candidates for palliative treatment and may be considered for patients with extensive disease.
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