The Chikungunya virus is a mosquito-borne alpha virus that causes debilitating fever and arthralgia in humans. Joint pains can last for months or years. It is mainly vectored by Aedes aegypti and Aedes albopictus. In recent years, the virus has gone from relative obscurity to becoming a global threat to public health, affecting millions of people throughout the tropical and subtropical world. The Chikungunya ou...
INTRODUCTION: Medullary thyroid carcinoma (CMT) is a neoplasia of parafolicular cells. The sporadic form is present in most patients, who manifest somatic mutations in the RET proto-oncogene. The remaining patients may have a germline mutation in this same gene, resulting in 3 types: familial medullary thyroid carcinoma, multiple endocrine neoplasia (MEN), subdivided into subtypes 2A and 2B. The diagnosis is ma...