Table 1 Patient characteristics and clinical data.

From: A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back

Case

Sex/age (yrs)

Diagnosis

Location

Defect size (cm)

Flap size (cm)

Flap survival

Complication

Follow-up periods (months)

1

F/41

Ruptured epidermoid cyst

Upper right back

5 × 5

6 × 12

Fully survived

None

11

2

F/43

Ruptured epidermoid cyst

Upper right back

3.5 × 3.5

4 × 8

Fully survived

None

10

3

M/72

Ruptured epidermoid cyst

Upper right back

3 × 4

4 × 9

Fully survived

None

9

4

M/71

Ruptured epidermoid cyst

Upper middle back

4.5 × 5

5 × 12

Fully survived

None

8

5

M/42

Ruptured epidermoid cyst with surrounding cellulitis

Upper left back

6 × 8

8 × 18

Fully survived

None

6

6

M/22

Ruptured epidermoid cyst

Upper middle back

3 × 3.5

3.5 × 7

Fully survived

Wound dehiscence → debridement and delayed closure

6

7

M/70

Ruptured epidermoid cyst with surrounding cellulitis

Lower left back

3 × 5

4 × 10

Fully survived

None

5

8

M/55

Ruptured epidermoid cyst with surrounding cellulitis

Middle left back

6 × 8

7.5 × 16

Fully survived

None

5

9

M/24

Ruptured epidermoid cyst

Upper left back

2 × 3

2.5 × 6

Fully survived

None

5

10

F/59

Ruptured epidermoid cyst

Upper middle back

2 × 3

2.5 × 6.5

Fully survived

None

4

11

F/44

Ruptured epidermoid cyst with surrounding cellulitis

Middle right back

4 × 6.5

5 × 12

Fully survived

None

4

12

M/63

Ruptured epidermoid cyst with surrounding cellulitis

Upper middle back

4 × 6

5 × 10

Fully survived

None

4

13

M/58

Ruptured epidermoid cyst

Upper left back

2.5 × 3.5

3 × 7

Fully survived

None

7

14

F/54

Ruptured epidermoid cyst with surrounding cellulitis

Lower right back

3.5 × 5

3.5 × 10

Fully survived

None

6

15

F/55

Ruptured epidermoid cyst

Upper right back

2 × 3.5

3 × 7

Fully survived

None

6

16

M/61

Ruptured epidermoid cyst

Middle right back

3 × 4

4 × 7.5

Fully survived

Marginal maceration → spontaneous healing with conservative dressing

5

17

F/ 47

Ruptured epidermoid cyst

Lower left back

3 × 3.5

3.5 × 7.5

Fully survived

None

6

  1. M male, F female.