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Table 3 Patients with local tumor recurrence

From: Enhancing local recurrence detection in patients with high-grade soft tissue sarcoma: value of short-term Ultrasonography added to post-operative MRI surveillance

Patient No.

(Age, sex)

Diagnosis

(Grade)

Location

Size (cm)/depth

Radiation/

chemotherapy

Time interval between operation and local recurrence (months)

Modality of detection

Local recurrence

Size (cm)

depth

USG findings

Palpable vs. nonpalpable at presentation

#1 (67, M)

UPS

(Grade 3)

Trunk

4.0/intramuscular

+/+

9

Short-term USG

1.1

Subcutaneous

Well-defined homogeneous hypoechoic mass

Nonpalpable

#2 (61, F)

UPS

(Grade 2)

Trunk

4.5/Subcutaneous

+/+

9

Short-term USG

2.2

Subcutaneous

Well-defined heterogeneous hypoechoic mass

Nonpalpable

#3 (38, F)

Epithelioid sarcoma

(Grade 2)

Hand

1.3/Subcutaneous

+/-

12

Short-term USG

0.9

Subcutaneous

Partly defined heterogeneous hypoechoic mass

Nonpalpable

#4 (45, F)

Extraskeletal myxoid chondrosarcoma

(Grade 2)

Buttock

10.5/Subcutaneous

-/-

12

Short-term USG

0.8

Subcutaneous

Two well-defined homogeneous hypoechoic mass

Nonpalpable

#5 (50, F)

Sclerosing epithelioid fibrosarcoma

(Grade 3)

Calf

22.0/intramuscular

-/-

3

Short-term USG

1.7

Intermuscular

Well-defined homogeneous hypoechoic mass

Nonpalpable

#6 (54, M)

MFS

(Grade 2)

Calf

4.3/Subcutaneous

+/-

30

Short-term USG

1.5

Subcutaneous

Partly defined homogeneous hypoechoic mass

Nonpalpable

#7 (57, F)

Synovial sarcoma

(Grade 2)

Hand

2.8/intramuscular

+/+

30

Short-term USG

3.0

Intramuscular

Well-defined homogeneous hypoechoic mass

Nonpalpable

#8 (83, F)

UPS

(Grade 2)

Thigh

3.4/Subcutaneous

+/-

27

Routine protocol (MR)

1.6

Subcutaneous

Well-defined heterogeneous hypoechoic mass

Nonpalpable

#9 (67, F)

UPS

(Grade 3)

Axilla

3.7/Subcutaneous

+/-

27

Routine protocol (P/E)

0.8

Subcutaneous

Well-defined homogenous hypoechoic mass

Palpable

#10 (65, M)

MFS

(Grade 2)

Calf

5.6/Subcutaneous

+/-

15

Routine protocol (P/E)

0.9

Subcutaneous

Well-defined heterogeneous hypoechoic mass

Palpable

#11 (61, F)

UPS

(Grade 3)

Trunk

8.0/Intramuscular

-/-

15

Routine protocol (MR)

3.1

Subcutaneous

Well-defined homogenous hypoechoic mass

Nonpalpable

#12 (48, M)

UPS

(Grade 3)

Thigh

11.2/Intramuscular

+/-

1

Routine protocol (P/E)

3.5

Intramuscular

NAa

Palpable

#13 (54, M)

UPS

(Grade 3)

Calf

1.5/Subcutaneous

+/-

22

Routine protocol (P/E)

2.4

Subcutaneous

Well-defined homogenous hypoechoic mass

Palpable

#14 (58, F)

Angiosarcoma

(Grade 2)

Forearm

3.5/Subcutaneous

+/+

21

Routine protocol (P/E)

NA

Subcutaneous

NAb

Palpable

#15 (61, M)

Undifferentiated spindle cell sarcoma

(Grade 3)

Thigh

11.5/Intramuscular

+/+

18

Routine protocol (MR)

5.0

Intramuscular

Well-defined homogenous hypoechoic mass

Non-palpable

#16 (47, F)

Undifferentiated spindle cell sarcoma

(Grade 2)

Thigh

5.6/Subcutaneous

-/-

12

Routine protocol (MR)

1.3

Subcutaneous

Well-defined heterogeneous hypoechoic mass

Nonpalpable

#17 (55, M)

Undifferentiated spindle cell sarcoma

(Grade 2)

Buttock

3.7/Subcutaneous

-/-

18

Routine protocol (MR)

1.7

Intramuscular

Well-defined homogenous hypoechoic mass

Nonpalpable

#18 (20, F)

Sclerosing/spindle cell rhabdomyosarcoma

(Grade 3)

Thigh

11.9/Intramuscular

+/+

36

Routine protocol (MR)

1.2

Intramuscular

Well-defined homogenous hypoechoic mass

Nonpalpable

#19 (70, F)

MFS

(Grade 2)

Buttock

10.7/Intramuscular

+/-

24

Routine protocol (MR)

6.0

Intramuscular

Partly-defined homogeneous hypoechoic mass

Nonpalpable

#20 (46, M)

Synovial sarcoma

(Grade 3)

Thigh

8.2/Intramuscular

+/+

21

Routine protocol (P/E)

3.0

Intermuscular

Several well-defined homogeneous hypoechoic mass

Palpable

  1. UPS: undifferentiated pleomorphic sarcoma; USG: ultrasonography; MFS: myxofibrosarcoma; P/E: physical examination; NA: not available.
  2. aUSG imaging findings were not available because only MRI was performed in this patient for the palpable lesion.
  3. bThe size of the local recurrence was not available in this patient because punch biopsy was performed for the palpable lesion before the imaging study.