Screening of adolescents for testicular cancer-a nationwide retrospective cohort study
-
By
-
Yair Zloof
-
Tomer Erlich
-
Maya Braun
-
Ruth Lev Bar-Or
-
Dotan Yaari
-
Emmanuel S Sirat
-
Lidor Peretz
-
Arik Eisenkraft
-
Limor Friedensohn
-
Gilad Twig
-
Amir Shlaifer
-
November 3, 2025
-
Clinical Scorecard: Evaluation of Testicular Cancer Screening in Adolescents: A Nationwide Retrospective Cohort Analysis
At a Glance
| Category | Detail |
| Condition | Testicular cancer in males aged 16 to 21 years |
| Key Mechanisms | Clinical testicular examination by inspection and palpation, followed by ultrasound and urologist referral for suspicious findings |
| Target Population | Asymptomatic adolescent males aged 16 to 21 years prior to mandatory military service |
| Care Setting | Military medical centers during pre-service medical evaluations |
Key Highlights
- Incidence rate of testicular cancer was 3.67 per 100,000 person-years among screened adolescents.
- Screening sensitivity was 66.7% at 6 months and 40% at 12 months post-examination.
- High number needed to screen (75,198 adolescents) and frequent unnecessary evaluations limit screening effectiveness.
Guideline-Based Recommendations
Diagnosis
- Screening involves physical examination by general physicians including inspection and palpation of testes.
- Suspicious findings warrant referral for ultrasonography and urologist evaluation.
Management
- Radical orchiectomy performed for confirmed testicular cancer cases.
- Most cancers diagnosed at stage I regardless of screening.
Monitoring & Follow-up
- Follow-up conducted during mandatory military service, with sensitivity analysis at 6 and 12 months post-screening.
Risks
- Low sensitivity and high number needed to screen result in frequent unnecessary ultrasounds and specialist consultations.
- Routine screening of asymptomatic adolescents is ineffective and not supported.
Patient & Prescribing Data
Over 300,000 Israeli male adolescents aged 16 to 21 years undergoing pre-military medical evaluation
Screening detected few cancers with low sensitivity; most cancers identified at early stage regardless of screening.
Clinical Best Practices
- Do not recommend routine testicular cancer screening in asymptomatic adolescent males due to low incidence and limited screening effectiveness.
- Refer only adolescents with suspicious clinical findings for further ultrasound and specialist evaluation.
- Maintain awareness of testicular cancer symptoms and encourage prompt evaluation if symptoms develop.
References