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Table 4 Intraoperative and postoperative findings

From: Calcitonin negative Medullary Thyroid Carcinoma: a challenging diagnosis or a medical dilemma?

Author

Surgery

Tumor grading

Follow-up

Recurrence

CT-IHC

CGRP-IHC

CgA-IHC

Syn-IHC

TG-IHC

CEA-IHC

RET mutation

Sobol

TT

WDMTC

6 month

Lymph nodes, liver and bone

+

NA

NA

+

NA

Schmid 1

NA

WDMTC

NA

NA

NA

+

+

NA

NA

Schmid 2

NA

WDMTC

19 month

Lymph nodes

NA

+

+

NA

NA

Schmid 3

NA

WDMTC

NA

NA

NA

+

NA

NA

Schmid 4

NA

WDMTC

NA

NA

NA

+

NA

NA

NA

Redding

TT + LYA

WDMTC

43 month

Negative

+

NA

NA

+

NA

+

Bockhorn

TT + LYA

PDMTC

NA

NA

NA

NA

+

NA

+

+

Sand

TT + LYA

PDMTC

Deceased 6 weeks

NA

NA

NA

NA

NA

NA

NA

NA

Dora

TT

PDMTC

NA

NA

+

NA

+

+

NA

Wang

NA

WDMTC

12 months

Negative

+

NA

+

NA

+

NA

Giovanella

TT + LYA

WDMTC

24 months

NA

+

NA

NA

NA

NA

NA

NA

Alapat

TT + LYA

WDMTC

20 months

Negative

+

NA

+

NA

+

NA

Chernyavsky

TT + LYA

WDMTC

12 months

Negative

NA

+

+

+

NA

+

Nakazawa

TT

WDMTC

18 months

Negative

NA

NA

+

+

NA

NA

Frank-Raue 1

ET

WDMTC

72 months

Negative

+

NA

+

+

+

Frank-Raue 2

NA

WDMTC

25 months

Pulmonary

+

NA

+

+

+

Frank-Raue 3

NA

WDMTC

150 months

Lymph modes

+

NA

+

+

+

+

Frank-Raue 4

NA

PDMTC

18 months

Local tumor infiltration

+

NA

+

+

+

Frank-Raue 5

NA

WDMTC

21 months

Lymph node, bone, brain

+

NA

+

+

+

+

Frank-Raue 6

NA

PDMTC

21 months

Pulmonary

+

NA

+

+

+

+

Frank-Raue 7

NA

PDMTC

36 months

Dead because of pulmonary failure

+

NA

+

+

+

+

Ismi

NA

PDMTC

NA

NA

NA

+

+

NA

NA

Brutsaert

TT + LYA

WDMTC

NA

NA

NA

NA

NA

NA

NA

NA

+

Kim

ET

PDMTC

12 months

Negative

NA

+

+

+

Kasajima

NA

WDMTC

NA

NA

NA

+

+

+

NA

NA

Samà 1

TT

NA

120 months

Negative

+

NA

+

NA

NA

+

Samà 2

NA

NA

120 months

Negative

NA

NA

NA

NA

NA

NA

NA

Samà 3

NA

NA

36 months

Negative

NA

NA

NA

+

Samà 4

NA

NA

36 months

Negative

+

NA

+

NA

NA

Parmer

TT

WDMTC

NA

NA

NA

+

+

+

NA

Zhou

NA

NA

NA

NA

+  8 cases

- 11 cases

NA

+  18 cases

- 1 case

+  19 cases

+  5 cases

- 14 cases

+  4 cases

- 15 cases

NA in 15 cases

- In 4 cases

  1. (TT, total thyroidectomy; ET, emithyroidectomy; LYA, lymphadenectomy; WDMTC, well differentiated MTC; PDMTC, poorly differentiated MTC; NA, not avaible; −, negative; +, positive; IHC, immunohistochemistry; CT, calcitonin; CEA, Carcinoembryonic antigen; CGRP, calcitonin gene related peptide; CgA, chromogranin A; Syn, synaptofisine; TG, thyroglobulin)