Demographic and Clinical Features of Thyroid Carcinomas in Republic of Macedonia (1999-2010)
DOI:
https://doi.org/10.3889/oamjms.2017.183Keywords:
thyroid carcinoma, histopathological types, Papillary thyroid carcinoma, Follicular thyroid carcinoma.Abstract
BACKGROUND: Thyroid carcinomas (TC) are the most common endocrine malignancies. In some parts of the world, the incidence of TCs has increased over the past few decades, especially in females according to some studies.
AIM: We have set as the objective for our study to analyse the demographic, ultrasound features, thyroid hormonal status and frequency of thyroid carcinomas in the Republic of Macedonia according to histopathological type.
MATERIALS AND METHODS: Retrospective analysis of medical data from all diagnosed and treated patients with TC at the Institute of Pathophysiology and Nuclear Medicine for the period 1999-2010 was performed. Demographic characteristics: age at diagnosis, gender, histopathological type of TC and from clinical features: US findings and thyroid hormonal state at initial examination and their distribution in eight state regions were evaluated.
RESULTS: Total number of 204 patients with TC in the Republic of Macedonia was registered. Papillary thyroid carcinoma (PTC) was the most frequent with 131 pts (64.21%), follicular (FTC) with 13 pts (6.37%) was second thyroid malignoma, followed by medullary (MTC) with 12 pts (5.88%), anaplastic (ATC) 11 pts (5.39%) and the rarest types were Hurtle cell carcinoma and intrathyroid sarcoma with only 1 diagnosed case. Age varied widely from 7 yrs to 88 yrs age (average 47.9 ± 16.6 yrs). PTC was more prevalent in younger age groups, while ATC was diagnosed in elderly patients. In all of the eight-country regions, the prevalence rate was higher for females than males (3:1) or 15.21/105 female to 5.03/105 male prevalence rate. According to US appearance mostly TC was unilateral in 42.65% and multifocal in 7.84% with dimensions from 15 to 50 mm.
CONCLUSION: There is an increase in incidence and prevalence rate of TCs in our country, mostly PTC, while reduction exists in the number of diagnosed cases of ATC and FTC, comparing with previous studies before iodine prophylaxis program. Different from described in the literature is female: male (4:1) ratio for ATC. According to US features, we can conclude that introduction of more detailed reporting system may improve diagnostic accuracy.Downloads
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