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Mouse Models of Epididymitis Induced by Pathogen-Associated Molecular Patterns
Published on: December 12, 2025
395
[A Case of Granulomatous Orchitis]
Tetsuya Imamura1, Eiho Horiuchi1
1The Department of Urology, Ise Municipal General Hospital.
Hinyokika Kiyo. Acta Urologica Japonica
|March 3, 2016
Summary
A man with testicular swelling was initially suspected of having a tumor. However, imaging and biopsy revealed granulomatous orchitis, a rare condition.
Area of Science:
- Urology
- Pathology
- Radiology
Background:
- Testicular pain and swelling can indicate various conditions, including malignancy.
- Accurate diagnosis relies on a combination of clinical presentation, imaging, and histopathology.
Observation:
- A 54-year-old male presented with right scrotal pain and swelling.
- Scrotal ultrasonography and magnetic resonance imaging (MRI) showed testicular swelling, hypoechogenicity, and altered diffusion characteristics.
- Initial imaging findings raised suspicion for a testicular tumor.
Findings:
- Histopathological examination confirmed granulomatous orchitis, not a tumor.
- This case represents the 22nd reported instance of granulomatous orchitis in Japan.
Implications:
- Highlights the importance of considering inflammatory conditions like granulomatous orchitis in the differential diagnosis of testicular abnormalities.
- Emphasizes the role of advanced imaging techniques in differentiating testicular masses.
- Contributes to the understanding of the prevalence and presentation of rare testicular diseases.
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