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Table 2 Comparison of five ectopic TSH-omas

From: Ectopic TSH-secreting pituitary tumor: a case report and review of prior cases

Case number

First

Second

Third

Fourth

Fifth

Reference

2

3

4

5

This report

Gender

F

M

F

F

M

Age of onset (y)

45

34

-

34

40

Age of diagnosis

66

52

50

49

41

Location of tumor

nasopharynx

Follow up

no recurrence at 2 months

recurrence at 10 months

no recurrence at 4 months

no recurrence at 3 months

no recurrence at 48 months

IHC

TSH(+)

TSH(+)

TSH(+)

TSH(+)

TSH(+)

GH(+)

GH(-)

GH(+)

GH(+)

GH(+)

PRL(+)

PRL(-)

PRL(-)

PRL(+)

PRL(-)

FSH(+)

FSH(-)

FSH(+)

FSH(-)

FSH(-)

ACTH(+)

ACTH(-)

ACTH(-)

ACTH(-)

ACTH(-)

LH(+)

LH(-)

LH(+)

LH(-)

LH(-)

Ultrastructure

N/A

N/A

N/A

consisted of monomorphous cells with secretory granules of small thyrotroph-like cells

consisted of polymorphous cells with secretory granules

Octreotide inhibition test

N/A

N/A

N/A

yes

yes

TRH stimulating test

N/A

N/A

N/A

N/A

yes