Locoregional disease control after external beam radiotherapy in 91 patients with differentiated thyroid carcinoma and pT4 tumor stage - a single institution experience

Figures & Tables

Characteristic	Subgroup	Number of Patients
Surgery of the thyroid	Lobectomy or less	15
	Total or near-total thyroidectomy	64
	Without surgery	12
Neck dissection	No	64
Neck dissection	Yes	27
Radioiodine ablation	No	9
Radioiodine ablation	Yes	82
Therapy with radioiodine	No	54
Therapy with radioiodine	Yes	37
Radiotherapy-Neck region	No	0
Radiotherapy-Neck region	Yes	91
Chemotherapy	No	52
Chemotherapy	Yes	39
Tyrosine kinase inhibitors	No	89
Tyrosine kinase inhibitors	Yes	2

Characteristic	Subgroup	Number of patients
Gender	Female	44
Gender	Male	47
Patient’s age	44 or less	15
Patient’s age	45 or more	76
Tumor diameter (cm)	1-9	75
Tumor diameter (cm)	9.1-30	16
T stage	pT4a	63
T stage	pT4b	28
Lymph nodes metastases	No	53
Lymph nodes metastases	Yes	38
Distant metastases	No	68
Distant metastases	Yes	23
Residual tumor after surgery	R0	27
	R1	47
	R2	5
	No surgery	12
Recurrence	No	39
	Yes-distant	13
	Yes-locoregional	16
	Disease present permanently	23
Outcome	Alive	44
	Dead of distant disease	29
	Dead of local disease	1
	Dead of local and distant disease	4
	Dead of other causes	10
	Lost from follow-up	3