Testicular Torsion
Testicular Torsion
TWIST (Testicular Workup for Ischemia and Suspected Torsion) score
Testis swelling (2 points)
Hard testis (2)
Absent cremasteric reflex (1)
Nausea/vomiting (1)
High-riding testis (1)
100% negative predictive value using following cut-offs for low risk
Urologist low <3, intermediate 3-4, high >4
ED low <1, intermediate 2-5, high >5
High > OT
Intermediate > US
Low > monitor
TWIST (Testicular Workup for Ischemia and Suspected Torsion) score
Testis swelling (2 points)
Hard testis (2)
Absent cremasteric reflex (1)
Nausea/vomiting (1)
High-riding testis (1)
100% negative predictive value using following cut-offs for low risk
Urologist low <3, intermediate 3-4, high >4
ED low <1, intermediate 2-5, high >5
High > OT
Intermediate > US
Low > monitor