Pediatric Epididimo-Orchitis

  • Etiology: Staphylococcus aureus / Escherichia coli / viruses (in addition to sexually transmitted diseases)
  • US: hypervascularity of affected epididymis and or testicle when compared with contralateral side

Radiology Cases of Epididimo-Orchitis

US of epididymitis secondary in Henoch-Schonlein Purpura
Transverse color doppler US of the scrotum shows enlargement and hypervascularity of the bilateral crescent shaped epididymides when compared to their respective round testicles, to which they are lateral in position.
US of epidimo-orchitis
Sagittal and transverse greyscale US of the left testicle (above) show a heterogenous appearance of the left testicle. Sagittal color doppler US of the left testicle shows increased blood flow to the left testicle and there was also increased blood flow to the left epididymis (not pictured).
US of epididimo-orchitis
Sagittal (above left) and transverse (below left) color doppler US of the left testicle shows hypervascularity of the left epididymis and testicle when compared to the right testicle (above right).
US of epididimo-orchitis
Sagittal color and spectral doppler US of the left (above) and right (below) testicles shows normal flow in the left testicle and increased flow in the right testicle.