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Table 1 Conventional MRI, DWI and ADC map visual analysis of torsed ovary and free peritoneal fluid

From: Contribution of diffusion-weighted imaging to conventional MRI for detection of haemorrhagic infarction in ovary torsion

SIa on T1-T2/DWIb/ADCc map (torsed Ovary)

HId (n = 15)

NHIe (n = 14)

Total (n = 29)

Hyperintense

6 (40%)-3 (20%)/5 (33.3%)/0

0–12 (85.7%)/12 (85.7%)/1 (7.1%)

6 (20.6%)-15 (51.7%)/17 (58.6%)/1 (3.4%)

Hypointense

2 (13.3%)-4 (26.6%)/9 (60%)/14 (93.3%)

6 (42.8%)-0/0/5 (35.7%)

8 (27.5%)-4 (13.7%)/9 (31%)/19 (65.5%)

Isointense

7 (46.6%)-8 (53.3%)/ 1 (6.6%)/1 (6.6%)

8 (57.1%)-2 (14.2%)/2 (14.2%)/57.1%)

15 (51.7%)-10 (34.4%)/3 (10.3%)/9 (31%)

SI on T1-T2/DWI/ADC map (FPFf)

HFg (n = 13)

NHFh (n = 14)

Total (n = 27)

Hyperintense

8 (61.5%)-0/7 (53.8%)/0

8 (29.6%)-0/7 (25.9%)/0

Hypointense

0–6 (46.1%)/4 (30.7%)/11 (84.6%)

0/2 (14.2%)/0

0–6 (22.2%)/6 (22.2%)/11 (40.7%)

Isointense

5 (38.4%)-7 (53.8%)/2 (15.3%)/2 (15.3%)

14 (100%)-14 (100%)/12 (85.7%)/14 (100%)

19 (70.3%)-21 (77.7%)/14 (51.8%)/16 (59.2%)

  1. aSignal intensity
  2. bDiffusion-weighted imaging
  3. cApparent diffusion coefficient
  4. dHaemorrhagic infarction
  5. eNon-haemorrhagic infarction
  6. fFree peritoneal fluid
  7. gHaemorrhagic fluid
  8. hNon-haemorrhagic fluid