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Journal Cover European Thyroid Journal
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   Full-text available via subscription Subscription journal
   ISSN (Print) 2235-0640 - ISSN (Online) 2235-0802
   Published by Karger Homepage  [120 journals]
  • Consumptive Hypothyroidism: Case Report of Hepatic Hemangioendotheliomas
           Successfully Treated with Vincristine and Systematic Review of the
           Syndrome
    • Abstract: Objectives: To provide a comprehensive description of consumptive hypothyroidism syndrome (CHS), a severe form of hypothyroidism that occurs due to the high expression levels of thyroid hormone inactivation enzyme type 3 deiodinase (D3) in tumors. Study Design: Case report and systematic review. Results: A 7-month-old girl with a diagnosis of massive hepatic hemangioendotheliomas was treated with high doses of thyroid hormones and tumor-directed chemotherapy with vincristine. The tumor displayed excellent response, and euthyroid status was regained. A systematic review on the databases PubMed/Medline and Embase was performed, using the term “Consumptive AND “Hypothyroidism.” From the 33 selected references, we extracted 42 case reports of CHS: 36 children and 6 adults. The laboratory profile at diagnosis displayed high TSH and low T4 and T3 serum levels. The serum reverse T3 and D3 activity levels were high in all patients tested. In children, 97% had vascular tumors, whereas in adults 33% were vascular tumors, 33% fibrous tumors, and 33% gastrointestinal stromal tumors. The conservative treatment was predominant in children, while in adults all cases were treated with surgery. Death occurred in 16% of children and 33% of adults. Conclusions: CHS is a rare form of hypothyroidism that occurs in children and adults, usually linked to hepatic vascular tumors. The condition is associated with high lethality. Prompt diagnosis, followed by high-dose thyroid hormone replacement and tumor-directed therapy are the keys to optimize outcomes.
      Eur Thyroid J 2017;6:321–327
       
  • Neonatal Exposure to 6-n-Propyl-Thiouracil, an Anti-Thyroid Drug, Alters
           Expression of Hepatic DNA Methyltransferases, Methyl CpG-Binding Proteins,
           Gadd45a, p53, and PCNA in Adult Male Rats
    • Abstract: Background: Neonatal 6-n-propyl-2-thiouracil (PTU) exposure to male rats is reported to impair liver function in adulthood. However, the mechanism by which the drug impairs liver function is not well known. Objectives: The objectives of the study were to investigate the effects of neonatal exposure of PTU on the expression of DNA methyltransferases (DNMTs), methyl-DNA binding proteins (MBDs), Gadd45a, p53, and proliferating cell nuclear antigen (PCNA) in adult rat liver. Methods: The effects of neonatal transient (from birth to 30 days of age) and persistent (from birth to 90 days of age) treatment of PTU on DNA damage and on the expression of p53, PCNA, DNMTs, and MBDs were investigated at transcriptional and translational levels in male adult liver. Results: Persistent exposure to PTU from birth caused significant downregulation of expression of DNMT1 and DNMT3a and upregulation of DNMT3b, MBD4, and Gadd45a without any damage to DNA. Although MeCp2 transcripts were significantly low in the liver of adult rats after persistent exposure to PTU compared to controls, its translated products were significantly higher than in controls. The expression of p53 and PCNA in PTU-treated rats was significantly higher and lower, respectively, than that in control rats. Conclusion: The results suggest that neonatal exposure of male rats to PTU resulted in alteration in the expression of proteins that are associated with DNA methylation and genome stabilization in adult rat liver.
      Eur Thyroid J
       
  • Are Perinatal Events Risk Factors for Childhood Thyroid Autoimmunity'
    • Abstract: Background: Environmental and genetic factors possibly trigger thyroid autoimmunity. Studies on perinatal risk factors for childhood thyroid autoimmunity are sparse. Objectives: The aim was to investigate if perinatal factors, family history of autoimmune diseases, and HLA-DQ genotypes contribute to thyroid autoimmunity in the Diabetes Prediction in Skåne (DiPiS) study. Methods: Samples from 1,874 ten-year-old children were analyzed for autoantibodies to thyroid peroxidase (TPOAb), thyroglobulin (TGAb), and HLA-DQ genotypes. Information on perinatal events and family history of autoimmunity was gathered prospectively in questionnaires. Results: Thyroid autoimmunity was found in 6.9% of the children (TPOAb 4.4%, TGAb 5.8%, both autoantibodies 3.3%) and was overrepresented in girls. Prematurity was positively related to TGAb (OR: 2.4, p = 0.003, pc = 0.021). Autoimmune diseases in the family increased the risk of thyroid autoimmunity: TPOAb (OR: 2.2, p = 0.012), any autoantibody (OR: 1.7, p = 0.04), and both autoantibodies (OR: 2.2, p = 0.024). A first-degree relative (FDR) with thyroid disease increased the risk for TPOAb (OR: 2.4, p = 0.03) and both autoantibodies (OR: 2.6, p = 0.03), a FDR or sibling with celiac disease increased the risk for both autoantibodies (OR: 3.7, p = 0.03, and OR: 4.8, p = 0.003), a FDR or sibling with diabetes increased the risk for thyroid autoantibody (OR: 3.0, p = 0.01, and OR: 5.4, p = 0.032), and a father with rheumatic disease increased the risk for TPOAb (OR: 15.2, p = 0.017), TGAb (OR: 11.3, p = 0.029), any autoantibody (OR: 9.6, p = 0.038), and both autoantibodies (OR: 20, p = 0.01). Conclusions: Thyroid autoimmunity was found in 6.9% of the 10-year-old children who were being followed for their risk of type 1 diabetes. No relation to perinatal factors was found, with the exception of a possible association between prematurity and TGAb. Family history of autoimmune diseases increased the risk of thyroid autoimmunity.
      Eur Thyroid J
       
  • Thyroidectomy Improves Tracheal Anatomy and Airflow in Patients with
           Nodular Goiter: A Prospective Cohort Study
    • Abstract: Objective: A large goiter may cause compression of the trachea. The aim of this study was to investigate the impact of thyroidectomy on tracheal anatomy and airflow and to correlate this with changes in health-related quality of life (HRQoL) in patients with benign nodular goiter. Methods: Magnetic resonance images of the neck and respiratory flow-volume curves, including both inspiration and expiration, were performed prior to and 6 months following surgery. HRQoL was measured by selected scales from the thyroid-specific patient-reported outcome (ThyPRO). Cohen’s effect size (ES) was calculated as mean change divided by standard deviation at baseline. ES of 0.2–0.5 were defined as small, 0.5–0.8 as moderate, and values #x3e;0.8 as large. Results: Sixty-five patients completed all examinations. Median goiter volume was 58 mL (range, 14–642 mL) before surgery with surgical removal of a median of 43 g (range, 8–607 g). Six months after surgery, tracheal narrowing and deviation were diminished by a median of 26% (ES = 0.67, p #x3c; 0.001) and 33% (ES = 0.61, p #x3c; 0.001), respectively. Correspondingly, each 10% decrease in goiter volume resulted in 1.0% less tracheal narrowing (p #x3c; 0.001). Concomitantly, a small improvement was seen in forced inspiratory flow at 50% of forced vital capacity (ES = 0.32, p #x3c; 0.001). A reduction in tracheal narrowing was associated with improvements in the Impaired Daily Life scale (0.33 points per 1% decrease in tracheal narrowing, p = 0.03) of the ThyPRO questionnaire. Conclusions: In patients with symptomatic benign nodular goiter, thyroidectomy resulted in substantial improvements in tracheal anatomy and improvements in inspiratory flow, which were followed by gains in HRQoL. This information is pertinent when counseling patients before choice of treatment.
      Eur Thyroid J
       
  • Impact of Serum TSH and Anti-Thyroglobulin Antibody Levels on Lymph Node
           Fine-Needle Aspiration Thyroglobulin Measurements in Differentiated
           Thyroid Cancer Patients
    • Abstract: Background: Thyroglobulin measurements in the washout of fine needle aspiration (FNA-Tg) are an excellent tool to detect lymph node (LN) metastases of differentiated thyroid carcinoma (DTC). Nevertheless, how to define the best cutoffs and the influence of potential confounders are still being discussed. Objective: To evaluate the accuracy of FNA-Tg measurement to detect DTC metastases and the influence of thyroid status and anti-thyroglobulin antibodies (TgAb). Methods: One hundred thirty-eight patients with DTC and suspicious cervical LN were included. Patients underwent ultrasound (US)-guided FNA for cytological examination and FNA-Tg measurements. Final diagnoses were confirmed by histological examination or clinical and US follow-up for at least 1 year. Results: Data from 119 subjects with suspicious LN were evaluated. The median value of FNA-Tg in patients with metastatic LN (n = 65) was 3,263.0 ng/mL (838.55–12,507.5), while patients without LN metastasis (n = 54) showed levels of 0.2 ng/mL (0.2–0.2). According to the ROC curve analysis, the best cutoff value to predict metastasis was 4.41 ng/mL for FNA-Tg, with a sensitivity of 98% and specificity of 96%. There were no differences in the median of FNA-Tg measurements between those on (TSH 0.16 mUI/mL) and those off levothyroxine (TSH 99.41 mUI/mL) therapy (47.94 vs. 581.15 ng/mL, respectively; p = 0.79). Interestingly, the values of FNA-Tg in patients with LN metastasis (n = 65) did not differ between patients with positive and those with negative TgAb (88.8 vs. 3,263.0 ng/mL, respectively; p = 0.57). Conclusion: US-guided FNA-Tg proved to be a useful examination in the follow-up of patients with DTC, independently of TSH status and the presence of TgAb.
      Eur Thyroid J
       
  • Occurrence of Graves’ Orbitopathy and Graves’ Hyperthyroidism
           after a Trauma to the Eye
    • Abstract: Background: Graves’ orbitopathy (GO) is believed to be the consequence of autoimmunity against antigens that are present both in the thyroid and orbital tissues. Massive release of thyroid antigens causes the appearance or deterioration of GO in patients with Graves’ hyperthyroidism (GH), as it occurs following radioiodine treatment. In theory, a similar release of autoantigens may occur at the eye level, for example due to an orbital trauma or surgical manipulation. To our knowledge, this is the first report of a case of de novo appearance of GO and then GH after an eye trauma, possibly reflecting spreading of autoantigens and activation of the immune system against shared orbital and thyroid antigens. Case Report: An otherwise healthy, 57-year-old man presented 6 months after the appearance of a monolateral right orbitopathy, which occurred 40 days after a trauma in the ipsilateral eye. His thyroid function was normal, with positive serum anti-TSH receptor autoantibodies. The thyroid was normal on ultrasound. A month later he developed hyperthyroidism and orbitopathy in the left eye. Discussion: The development of GO after an eye trauma may reflect tissue damage with release of autoantigens and consequent autoimmunity in a predisposed individual (our patient had a familial history of autoimmune thyroid disease). The subsequent development of hyperthyroidism is in keeping with the hypothesis that GH and GO are due to autoimmunity against antigens present both in the thyroid and in orbital tissues.
      Eur Thyroid J
       
  • Scientific Programme
    • Abstract:
      Eur Thyroid J 2017;6(suppl 1):1-22
       
  • Title Page / Table of Contents / Scientific and Organizing Committees
    • Abstract:
      Eur Thyroid J 2017;6(suppl 1):I-VI
       
  • Abstracts
    • Abstract:
      Eur Thyroid J 2017;6(suppl 1):23-118
       
  • Industry-Sponsored Satellite Symposia
    • Abstract:
      Eur Thyroid J 2017;6(suppl 1):119-127
       
 
 
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