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Cremasteric Reflex
Aka: Cremasteric Reflex
- See Also
- Reflex Exam
- Acute Testicular Pain
- Testicular Torsion
- Epididymitis
- Indication
- Evaluation of Testicular Torsion
- Technique
- Examiner strokes or pinches medial thigh
- Stimulus usually causes cremasteric Muscle Contraction
- Observe for rise of the Testicle on same side (normal)
- Interpretation
- Normal: Cremasteric Reflex present (Testicle rises)
- Seen in Epididymitis
- Abnormal: Cremasteric Reflex absent (no Testicle rise)
- Suggests Testicular Torsion
- Also absent in 50% of boys under age 30 months
- Do not use this test under age 30 months
- Efficacy
- Test Sensitivity for Testicular Torsion: 99%
- Assumes age over 30 months
- References
- Caesar (1994) J Urol 152:779-80 [PubMed]