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      Gender-Specific Variation in the Prognosis of Papillary Thyroid Cancer TNM Stages II to IV

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          Abstract

          To investigate the correlation between gender and the clinical presentation of papillary thyroid cancer and the long-term followup results, 435 patients who underwent total or near-total thyroidectomy were enrolled in this study. Among these papillary thyroid cancer patients, 12.2% showed lymph node metastases and a higher incidence of male patients in the N1b group. There were 65 from 316 female (20.6%) and 49 from 120 male (40.8%) patients who had a postoperative disease progression. A total of 55 (12.6%) patients died of thyroid cancer. Male patients showed a higher thyroid cancer mortality than the females. Multiple regression analysis showed that male gender was an independent risk factor for cancer recurrence and mortality. Male patients with TNM stages II to IV of papillary thyroid cancer need to adopt aggressive surgical and postoperative 131I therapy.

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          Prevalence and distribution of carcinoma in patients with solitary and multiple thyroid nodules on sonography.

          Robert Moore, Mary C. Frates, P Doubilet … (2006)
          Controversy remains as to the optimal management of patients with multiple thyroid nodules. The objective of this study was to determine the prevalence, distribution, and sonographic features of thyroid cancer in patients with solitary and multiple thyroid nodules. We describe a retrospective observational cohort study that was carried out from 1995 to 2003. The study was conducted in a tertiary care hospital. Patients with one or more thyroid nodules larger than 10 mm in diameter who had ultrasound-guided fine needle aspiration (FNA) were included in the study. The main outcome measures were prevalence and distribution of thyroid cancer and the predictive value of demographic and sonographic features. A total of 1985 patients underwent FNA of 3483 nodules. The prevalence of thyroid cancer was similar between patients with a solitary nodule (175 of 1181 patients, 14.8%) and patients with multiple nodules (120 of 804, 14.9%) (P = 0.95, chi(2)). A solitary nodule had a higher likelihood of malignancy than a nonsolitary nodule (P < 0.01). In patients with multiple nodules larger than 10 mm, cancer was multifocal in 46%, and 72% of cancers occurred in the largest nodule. Multiple logistic regression analysis of statistically significant features demonstrates that the combination of patient gender (P < 0.02), whether a nodule is solitary vs. one of multiple (P < 0.002), nodule composition (P < 0.01), and presence of calcifications (P < 0.001) can be used to assign risk of cancer to each individual nodule. Risk ranges from a 48% likelihood of malignancy in a solitary solid nodule with punctate calcifications in a man to less than 3% in a noncalcified predominantly cystic nodule in a woman. In a patient with one or more thyroid nodules larger than 10 mm in diameter, the likelihood of thyroid cancer per patient is independent of the number of nodules, whereas the likelihood per nodule decreases as the number of nodules increases. For exclusion of cancer in a thyroid with multiple nodules larger than 10 mm, up to four nodules should be considered for FNA. Sonographic characteristics can be used to prioritize nodules for FNA based on their individual risk of cancer.
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            Long-term follow-up of patients with papillary and follicular thyroid cancer: a prospective study on 715 patients.

            M Brassard, I Borget, A Edet-Sanson … (2011)
            This prospective study evaluated the recurrence rate in 715 patients with differentiated thyroid cancer who had no evidence of persistent disease after total thyroidectomy and lymph node dissection in 94% of them followed up by radioiodine ablation (30-100 mCi) and assessed the predictive value of the initial thyroglobulin (Tg) levels for detecting recurrence, both during levothyroxine (LT4) treatment and after TSH stimulation. Patients had Tg determinations performed at 3 months on LT4 treatment (Tg1) and at 9-12 months after stimulation by either thyroid hormone withdrawal or recombinant human TSH (Tg2); the Access kit was used (functional sensitivity of 0.11 ng/ml); they had undetectable anti-Tg antibodies. Patients were followed up annually. Predictive values were calculated by comparing Tg levels (Tg1 and Tg2) and the outcome in terms of recurrence. During the median follow-up of 6.2 yr, 32 patients had a recurrence. Assuming a cutoff level for Tg1 at 0.27 ng/ml, Tg1 sensitivity and specificity reached 72 and 86%, respectively, whereas predictive positive and negative values were 20 and 99%, respectively. With a cutoff level for Tg2 at 1.4 ng/ml, sensitivity and specificity reached 78 and 90%, respectively, whereas positive and negative predictive values were 26 and 99%, respectively. This large prospective cohort of patients presented a low rate of recurrence. Initial Tg measurements allow to predict long-term recurrence with an excellent specificity. Stimulated Tg determination presented a slightly higher sensitivity than Tg determination on LT4. TSH stimulation may be avoided when Tg measured 3 months after ablation is less than 0.27 ng/ml during LT4 treatment.
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              Papillary thyroid carcinoma: factors influencing recurrence and survival.

              Domenico Rubello, A Toniato, R Mazzarotto … (2008)
              The prognosis of patients with papillary thyroid carcinoma (PTC) is usually favorable; however, a subset of patients can develop local recurrence or distant metastases. The aim of this study was to evaluate the prognostic factors influencing the recurrence and the survival rate in 950 PTC patients. From 1990 to 2005, 950 consecutive patients affected by PTC were operated on at our Department. We analyzed the prognostic role of the following parameters: gender, age at initial treatment, extent of thyroid surgery, node dissection, tumor size, node metastases, distant metastases, stage, and 131-I therapy. Seventy-nine patients (8.3%) developed locoregional or distant metastases after an average follow-up of 7.8 years (range 2-17 years); in particular local recurrence was observed in 25 cases and distant metastases in 54 cases. The global 10- and 15-year survival rates were 91.38% and 88.69%, respectively. At univariate analysis, all variables were significantly correlated with recurrence (P = .001) except gender (P = .3); moreover, gender (P = .2), node dissection (P = .5), and node metastases (P = .06) were not significant on 10- and 15-year survival. At multivariate analysis the age at first treatment, T4, M+, stage IV, the extent of thyroid surgery, and the 131-I therapy resulted to be significant and independent prognostic factors (P < .001). Our data, in disagreement with other staging systems, suggest that gender does not play a significant role both in recurrence and survival. Moreover, the 131-I therapy was a statistically significant prognostic factor at univariate and multivariate analyses.
              Article 0 comments Cited 44 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Int J Endocrinol
                Journal ID (iso-abbrev): Int J Endocrinol
                Journal ID (publisher-id): IJE
                Title: International Journal of Endocrinology
                Publisher: Hindawi Publishing Corporation
                ISSN (Print): 1687-8337
                ISSN (Electronic): 1687-8345
                Publication date (Print): 2012
                Publication date (Electronic): 6 December 2012
                Volume: 2012
                Electronic Location Identifier: 379097
                Affiliations
                1Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Linkou 333, Taiwan
                2Department of Pathology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Linkou 333, Taiwan
                3Department of General Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Linkou 333, Taiwan
                Author notes

                Academic Editor: Eleonore Fröhlich

                Article
                DOI: 10.1155/2012/379097
                PMC ID: 3523145
                PubMed ID: 23304140
                SO-VID: 270c8175-7784-4b2e-bb0e-4d58641326dc
                Copyright © Copyright © 2012 Sheng-Hwu Hsieh et al.
                License:

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 30 August 2012
                Date accepted : 5 November 2012
                Categories
                Subject: Clinical Study

                ScienceOpen disciplines: Endocrinology & Diabetes
                Data availability:
                ScienceOpen disciplines: Endocrinology & Diabetes

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