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Table 2 Overview of adenoma size

From: Detection of parathyroid adenomas with multiphase 4DCT: towards a true four-dimensional technique

 

Size (mm)

HUmax lesion (HU)

HUmax thyroid (HU)

HUmax lymph (HU)

TTP lesion (s)

TTP thyroid (s)

MSI lesion (%)

MSI thyroid (%)

DLP (mGy.cm)

E (mSv)

1

7.5

421

276

82

26.2

28.2

40.9

26.1

1122.3

8.4

2

14

505

279

92

30.8

33.6

40.5

12.5

703.5

5.3

3

12

264

326

115

31.4

34.7

18.8

9.9

643.3

4.8

4

9

381

318

93

35.6

39.6

21.7

11.9

1064.2

8.0

5

6

315

290

88

37.3

36.4

21.6

10.8

1083.4

8.1

6

35

454

321

97

32.0

32.4

34.5

18.1

742.5

5.6

7

7

372

491

123

29.7

32.7

32.9

24.2

199.7

1.5

8

11

487

334

101

28.0

28.9

40.9

23.9

656.1

4.9

9

12

366

317

92

28.2

26.2

36.1

37.6

552.9

4.1

10

15

518

342

84

26.6

27.9

40.9

40.5

827.2

6.2

11

5

302

390

109

26.9

28.4

16.7

38.6

962.9

7.2

12

9

327

384

104

28.1

29.2

34.9

33.0

181.8

1.4

13

22

392

355

112

30.4

30.2

25.9

19.6

631.5

4.7

14

30

262

246

102

42.2

44.9

8.4

5.4

1992.9

14.9

15

9

391

318

138

29.2

31.0

31.8

20.4

1996.1

15.0

Mean value

13.6

383.8

332.5

102.1

30.8*

32.3*

29.8**

22.2**

890.7

6.7

  1. HUmax values are given for both parathyroid and thyroid tissue as well as lymph nodes. Time to peak (TTP) and mean slope of increase (MSI) of parathyroid and thyroid tissue. Dose length product (DLP) and effective dose (E)
  2. *p-value 0.008
  3. **p-value 0.012