Urology Book


Cremasteric Reflex

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

Cremasteric reflex (C0234176)

Concepts Organ or Tissue Function (T042)
SnomedCT 30944004
English Cremasteric reflex, Cremasteric reflex (observable entity)
Spanish reflejo cremastérico (entidad observable), reflejo cremastérico
Derived from the NIH UMLS (Unified Medical Language System)

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