Cleft cyst | Differential diagnosis |
---|---|
1st | Abscesses |
2nd | Lymphatic malformations |
3rd | Lymphatic malformations |
4th | Necrotic lymph nodes |
Type | Total number | Male to female ratio | Density | Doppler ultrasound (internal or peripheral vasculature increase/no flow) |
---|---|---|---|---|
1st cleft | 9 | 5/4 | All hypoechoic | 2/7 |
2nd cleft | 16 | 7/9 | Hypoechoic/hyperechoic (1 case)/mixed (1 case) | 1 (1 inconclusive)/14 |
3rd cleft | 3 | 2/1 | All hypoechoic | 0/3 |
4th cleft | 2 | 1/1 | All hypoechoic | 0/2 |
Inconclusive | 3 | 1/2 | All hypoechoic | 0/3 |