Clinicopathological and Survival Outcomes of Well-Differentiated Thyroid Carcinoma Undergoing Dedifferentiation: A Retrospective Study from FUSCC

Table 6

Clinicopathological characteristics of PTMC patients with dedifferentiated phenotypes.

Number	Age	Gender	Dedifferentiated site	Dedifferentiated components	ETE	LNM	DM	TNM stage	Cause-specific survival status
1	73	Female	Lymph node	PDTC	No	Yes	No	II	NA
2	31	Female	Thyroid	PDTC	No	No	No	I	Alive
3	47	Female	Lymph node	PDTC	No	Yes	Lung	II	Dead
4	61	Female	Lymph node	ATC	No	Yes	No	II	Dead
5	41	Male	Thyroid	PDTC	No	No	No	I	Alive

PTMC: papillary thyroid microcarcinoma; ETE: extrathyroidal extension; LNM: lymph node metastasis; DM: distant metastasis; TNM: tumor-node-metastasis; PDTC: poorly differentiated thyroid cancer; ATC: anaplastic thyroid cancer; NA: not available.