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    ABSTRACT: The aim of the report was the explanation of the pathogenesis of thyroid gland dysfunction after laryngeal cancer treatment. Assessment of histopathological specimens from thyroid gland was done. They were taken from the following patients: a) irradiated primary with the radical dose (n = 5), b) after combined therapy (n = 2) and c) at the autopsy from the persons aged between 30-80, without thyroid gland disease history (n = 30). It was found that the thyroid gland underwent degenerative changes after external irradiation or combined therapy, which became more intense with the passage of time. They consist among other things in diminishing of the follicle lining cells with the obliteration of the follicle structure of thyroid, damage to the blood vessel walls, fibrotic tissue proliferation with the following gland atrophy. In the histological specimens of the thyroid gland taken at the autopsy distinct obliteration of the follicle structure with the atrophy of follicle and intensified fibrotic process after 80 years of age was seen. Results of the investigations suggest that the main pathogenic factor in hypotyhyreosis after radiotherapy or combined therapy are the degenerative changes in the thyroid gland and their overlapping with circulatory disorders after surgery. Morphological changes in thyroid gland following aging increase the risk of hypotyhyreosis.
    No preview · Article · Feb 2003 · Otolaryngologia polska. The Polish otolaryngology