Table 1 Clinicopathologic parameters of sarcomas with MEIS1-NCOA2/1 fusion.

From: Recurrent MEIS1-NCOA2/1 fusions in a subset of low-grade spindle cell sarcomas frequently involving the genitourinary and gynecologic tracts

 

Age

Sex

Location

Size (cm)

Original diagnosis

Necrosis

Mitosis (/10HPFs)

Fusion junction

Follow-up

Unclassified spindle cell sarcomas

1

58

F

Uterine corpus

20

Undifferentiated uterine sarcoma

N

33

MEIS1 ex7-NCOA2 ex13f

LR (mesentery, 5 m)

2

35

F

Vagina

11

Low-grade endometrial stromal sarcoma

N

<1

MEIS1 ex6-NCOA2 ex12d

LR (3 m, 1.5 y, 7.5 y)

3

76c

M

Scrotum

NA (LR: 0.6)c

Low-grade sarcoma, NOS (LR)

N

2–3

MEIS1 ex6-NCOA2 ex12d

LR (several ys)

4

38

F

Para-rectal

14

Sarcoma, NOS

N

8

MEIS1 ex6-NCOA2 ex12d

LR (4 y, 6 y, 8 y)

5

20

F

Kidney

21

Undifferentiated spindle cell sarcoma

Y (10%)

25

MEIS1 ex7-NCOA1 ex13e

NA

6

50

F

Kidney and 2 add ST implants

19

Sarcoma, NOS

Y

10

MEIS1 ex7-NCOA2 ex14e

LR (1.5 y, 6 y)

7a

72

F

Kidney

4

Mixed epithelial stromal tumor with atypia

N

4

MEIS1 ex7-NCOA2 ex13/14d

NED (9 m)

8a

21

M

Kidney

15

Undifferentiated sarcoma

Y

13

NA

NA

Spindle cell rhabdomyosarcomas

1

33

F

Vulva

2.5

spRMS

NA

10–20

MEIS1 ex7-NCOA2 ex13e

NA

2b

22

M

Iliac bone

NA

spRMS

Y

18

MEIS1 ex6-NCOA2 ex12e

NED (8 m)

3b

39

M

Iliac bone

NA

spRMS

N

50

NA

NA

  1. LR local recurrence, NA not available, HPF high power fields, F female, M male, N not present, Y present, ex exon, m months, y years, NED no evidence of disease, spRMS spindle cell rhabdomyosarcoma, NOS not otherwise specified.
  2. aPreviously reported1.
  3. bPreviously reported2.
  4. cAge and tumor size of the recurrent lesion.
  5. dTested by TruSight RNAseq platform.
  6. eTested by Archer FusionPlex.
  7. fTested by University of Chicago Medicine OncoPlus next-generation sequencing.