Ultrasound and cytological characteristics of differentiated thyroid carcinoma: an Algerian series

  • Introduction:
    The incidence of differentiated thyroid cancer is increasing worldwide, by a rise in the incidence of microcancers following intensified screening.
    We have investigated the ultrasonographic and cytological features of thyroid nodules whose pathological study has returned to favor differentiated thyroid carcinomas.

    Material and methods:
    Retrospective study of 103 patients operated in our department between January 2017 and December 2018 for suspicious thyroid nodule.

    The mean age of our population was 42 years [18-80], predominantly female, with a family history of thyroid neoplasia in 5% and the finding was fortuitous in 46.6%. Thyroid ultrasound found nodules classified Eu-tirads 3 in 27%, eu-tirads 4 in 16.5% and eu-tirads 5 in 56.3%. The needle aspiration was performed in 88% of cases; They were classified as Bethesda V in 56.3%, Bethesda IV in 8%, Bethesda III in 8.73%, Bethesda II in 13% of cases. According to the TNM classification, the pathology study found 53.4% ??PT1, 26% PT2, 14.6% PT3, 2% PT4, central lymph node dissection was performed in 49.5% of cases, and lymph node metastases were present in 47%; and According to the 2015 ATA classification a low risk in 61%, intermediate in 20.4% and high risk in 18.5%. Subtypes of bad variants were found in nearly 20%.

    Our study corresponds to the data found in the literature except for nodules classified eu-tirads 3 or the risk of malignancy is 2-4% (27% in our study of which 35% was vesicular carcinoma).


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