Diffuse Sclerosing Variant of Papillary Thyroid Carcinoma Is Associated With Aggressive Histopathological Features and a Poor Outcome: Results of a Large Multicentric Study

DSV patients share the same recurrence rate as high-risk PTC patients. Despite aggressive surgical approaches, the recurrence rate within the first 5 years requires a careful ongoing surveillance, similar to the follow-up of high-risk PTC patients.