Dermal toxicity of anti-cancer drugs apparent in patients with thyroid cancer. This side effect appears, in particular, in relation to increased administration of targeted anti-cancer treatment, especially tyrosinkinase inhibitors, towards various receptors of growth factors which are applied in the ethiopathogenesis of a tumor cell. Our article focuses on the dermatotoxity, designated also as skin reaction, which most frequently occurs in patients treated by tyrosinkinase inhibitors – sorafenib, vandetonib, cabozantinib and lenvantinib. High prevalence of dermatotoxity, reported by patients, treated with these drugs underscores the need for greater understanding of the pathogenesis and management of this syndrome.
The tall-cell variant of papillary thyroid carcinoma is a rare malignancy characterized by an aggressive course, low relapse-free survival, early metastasis, and frequent development of radioiodine refractoriness. We report two cases of tall-cell papillary thyroid carcinoma in patients who had disease progression after combination treatment and started to receive lenvatinib. We observed partial and complete regression of metastases in response to lenvatinib. Our findings are consistent with the results of other studies assessing treatment efficacy for disseminated tall-cell papillary thyroid carcinoma.
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