Table 1 Renal cell carcinoma metastatic to thyroid neoplasm: characteristics of the cases reported in the literature

1

Bohn et al.[3]

Papillary carcinoma

2 Y

THY (−) RCC marker +

2

Rosai et al. cited by Bohn and Ryska[3, 4]

Follicular adenoma

NA

THY (−)

3

Chacho et al. cited by Ryska[4]

Follicular adenoma

Synchronous

Not done

4

Baloch et al. cited by Bohn and Ryska[3, 4]

Papillary carcinoma, follicular variant

2 Y

THY (−) CK19 (−)

5

Wolf et al.[5]

Microfollicular adenoma

NA

Not done

6

Ryska and Cap[4]

Oncocytic carcinoma

13 M

THY (−), vimentin (+), calcitonin (−), EMA (+), CK AE1-AE3 (+)

7

Qian et al.[6]

Hürthle adenoma

Synchronous

TTF-1 (−), THY (−), CD10 (+), vimentin (+)

8

Koo et al. cited by Bohn[3]

Follicular adenoma

5 Y

TTF-1 (−), THY (−), calcitonin (−). Equivocal CK and CD10

9

Yu et al.[7]

Papillary carcinoma

3 Y

THY (−), TTF-1 (−), CD10 (+), vimentin (+), RCC antigen (−)

10

Medas et al. (present case)

Microfollicular adenoma

6 Y

TTF-1 (−), THY (−), CD10 (+)