Table 2 Morphological, clinical, genomic and immunohistochemical characteristics.

From: Molecular and clinicopathologic characterization of intravenous leiomyomatosis

 

Case

Morphology IVL

Morphology UL

Aggressive features

Alt

Chr

GI

p16

Cyclin D1

Group 1

1

Cellular, epithelioid

N/A

Yes (EUE)

7

5

9.8

2

4

2

Cellular, focal hydropic, minimal hyalinization

N/A

No

7

6

8.2

1

1

3

Cellular, focal vascular (capillary), focal hydropic, focal hyalinization, minimal hyalinized vessels

NAR

Yes (EUE, R)

8

6

10.6

2

1

4

Cellular, vascular (capillary), focal hyalinization, focal hydropic, focal myopericytoma-like hyalinized vessels with minimal thrombi and hemosiderin

N/A

Yes (EUE, R)

10

7

14.3

4

2

5

Usual

Usual

No

17

15

19.3

1

2

6

Usual, hydropic, minimal hyalinization

NAR

Yes (EUE)

14

11

17.8

3

1

7

Usual

Usual

No

5

4

6.3

2

2

8

Usual, hyalinization, focal hydropic, focal hyalinized vessels

Usual

No

4

4

4

2

1

Group 2

9

Cellular, hyalinization, focal hydropic, focal hyalinized vessels

Cellular, hyalinization, focal hydropic

No

3

3

3

2

3

10

Usual, focal hydropic, minimal hyalinization

N/A

Yes (EUE)

3

3

3

2

2

11

Highly cellular

Highly cellular

No

8

6

10.6

3

1

12

Usual, hydropic, hyalinization, focal hyalinized vessels

N/A

No

1

1

1

4

4

13

Cellular, minimal hyalinization

N/A

Yes (EUE, R)

5

5

5

1

1

Group 3

14

Highly cellular, minimal hyaline plaques, minimal adipose tissue, focal hyalinized vessels

Highly cellular

Yes (EUE)

10

8

12.5

3

4

15

Highly cellular, large vessels with thrombosis, myxoid change, extensive hemorrhage and hemosiderin

Usual, hyalinized

Yes (EUE)

4

3

5.3

2

1

16

Cellular, hyaline plaques, minimal hydropic, minimal hyalinized vessels

Cellular, hyaline plaques, minimal hydropic

Yes (EUE)

2

2

2

2

1

17

Cellular, vascular (arteriole-like), minimal hyaline plaques, hydropic, focal hyalinization, hyalinized vessels, hemosiderin

N/A

Yes (EUE, R)

1

1

1

4

1

18

Cellular, hyaline plaques, adipose tissue, hemosiderin

N/A

No

2

2

2

1

1

Nonspecific

19

Usual, minimal hyalinization, minimal hyalinized vessels

Usual

No

4

2

8

3

2

20

Highly cellular (palisading schwannian morphology), focal hyaline plaques, minimal hyalinization

Highly cellular, focal hyaline plaques

Yes (EUE)

6

3

12

1

1

21

Cellular, minimal hyalinization, minimal hydropic change, focal myxoid small to medium sized and minimal hyalinized vessels

Cellular leiomyoma with hydropic change

Yes (EUE)

3

2

4.5

1

1

22

Usual, minimal hyaline plaques, hydropic, focal hyalinization, focal hyalinized vessels

Usual, hydropic, focal hyalinized

No

5

4

6.3

1

1

None

23

Usual, hyalinization, minimal hydropic, hyalinized vessels

N/A

No

0

0

0

1

1

24

Vascular (arteriole-like), minimal hyaline plaques, hyalinization, hyalinized vessels

N/A

Yes (EUE, R)

0

0

0

3

1

25

Epithelioid, cellular

Epithelioid, cellular

No

0

0

0

1

4

26

Usual, minimal hydropic

Usual, hyalinized

No

0

0

0

1

1

27

Usual, hyalinized, minimal hydropic, hyalinized vessels

Usual

No

0

0

0

4

4

28

Vascular (arteriole-like), focal hydropic change, minimal hyalinization

NAR

Yes (EUE)

0

0

0

4

1

  1. N/A not applicable, NAR not available for review, EUE extrauterine extension, R recurrence, Alt number of alterations, Chr number of chromosomes involved, GI genomic index (Number of alterations2/number of chromosomes involved).