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A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
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The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
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Related Experiment Video

Updated: Mar 17, 2026

A Microscopic 2,3,5-Triphenyltetrazolium Chloride Assay for Accurate and Reliable Analysis of Myocardial Injury
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A Microscopic 2,3,5-Triphenyltetrazolium Chloride Assay for Accurate and Reliable Analysis of Myocardial Injury

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Segmental Testicular Infarction.

Harmonie Candelier1, Vassiliki Pasoglou1, Sandy Van Nieuwenhove1

  • 1Department of Radiology, Cliniques Universitaires de Saint Luc, Université Catholique de Louvain, Brussels, Belgium.

Journal of the Belgian Society of Radiology
|March 16, 2026
PubMed
Summary
This summary is machine-generated.

Segmental testicular infarction is a rare condition. Recognizing its imaging changes is key to preventing unnecessary surgeries for testicular emergencies.

Keywords:
magnetic resonance imagingscrotal ultrasoundtesticular hematoma

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Area of Science:

  • Urology
  • Radiology
  • Pathology

Background:

  • Segmental testicular infarction (STI) is an uncommon condition affecting testicular tissue.
  • Limited literature exists on the imaging characteristics and natural progression of STI.

Purpose of the Study:

  • To highlight the importance of recognizing imaging findings of segmental testicular infarction.
  • To emphasize the need for awareness of its evolution to guide clinical management and avoid unnecessary interventions.

Main Methods:

  • Review of imaging studies (ultrasound, MRI) in patients diagnosed with segmental testicular infarction.
  • Correlation of imaging findings with clinical presentation and pathological results where available.

Main Results:

  • Segmental testicular infarction presents with varied imaging features that evolve over time.
  • Characteristic changes include initial hypoechogenicity/heterogeneity on ultrasound and altered signal intensity on MRI.
  • Delayed or atypical presentations can mimic other testicular pathologies, necessitating careful interpretation.

Conclusions:

  • Segmental testicular infarction is a rare diagnosis that can be challenging to identify.
  • Familiarity with the imaging spectrum and evolution of testicular infarction is crucial for accurate diagnosis.
  • Appropriate imaging interpretation can prevent misdiagnosis and avoid invasive procedures such as surgery.