Subcutaneous implantation of benign thyroid tissue: a rare complication after thyroidectomy.

Subcutaneous implantation of benign thyroid tissue is a rare complication of thyroid surgery. Here the authors report two cases of subcutaneous implantation of benign thyroid tissue following conventional thyroid surgery. The diagnosis and differential diagnosis of cervical subcutaneous thyroid tissue implantation, and their clinical pathological characteristics are retrospectively investigated. The mechanism of the implantation process is analyzed. The management of patient with cervical subcutaneous soft tissue implantation is also discussed.