A nodule on the scalp as the first sign of extranodal disease in medullary thyroid carcinoma.
Dermatology Online Journal(2017)
摘要
Medullary carcinoma of the thyroid gland accounts for only 5-10% of thyroid carcinomas. Also, metastases to the skin of malignant tumors are infrequently (2-9% of patients). In the case herein reported in a 64-year old woman, a metastatic nodule on the scalp was the presenting clinical manifestation of a medullary thyroid carcinoma. A comprehensive review of the literature was conducted for similar cases using PubMed. Only 18 cases of cutaneous metastases of medullary thyroid carcinoma have been previously reported in the literature, but skin lesions were the presenting complaint of the thyroid neoplasm in only three.
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