Collision tumor of a papillary and follicular thyroid  carcinoma: a case report

ConclusionsA case of a collision tumor of PTC and FTC is very rare, and even fewer cases have been subjected to genetic scrutiny. The present case was successfully diagnosed by pathological examination using immunohistochemical and genetic analyses. The TERT promoter mutation in the PTC lesion was consistent with the aggressive behavior of the cancer.
Source: Thyroid Research - Category: Endocrinology Source Type: research