Category Radiology

VACTERL Association

KEY FACTS Terminology Nonrandom association of anomalies involving multiple organ systems V ertebral/vascular A nal atresia/auricular C ardiac T racheoesophageal fistula E sophageal atresia R enal/radial ray/rib L imb VACTERL association diagnosed when ≥ 3 of above malformations present; causative…

Torsion of Testicular Appendage

KEY FACTS Terminology Definition Spontaneous twisting of pedunculated vestigial remnant along testicle or epididymis causing ischemia & pain Synonyms Twisted appendage, torsed appendix testis, torsion of appendix epididymis, appendiceal torsion Imaging US with Doppler best imaging modality Appendage size best…

Testicular Torsion

KEY FACTS Terminology Spontaneous or traumatic twisting of testis & spermatic cord within scrotum → vascular occlusion/infarction Imaging ↓ or absent blood flow in testicle on Doppler US Transverse side-by-side comparison image of asymptomatic & symptomatic testicles very helpful Spiral…

Epididymoorchitis

KEY FACTS Terminology Infectious inflammation of epididymis, testicle, or both Orchitis much less common than epididymoorchitis Imaging Enlargement of affected tissues (i.e., testicle, epididymis, or both) with accompanying ↑ blood flow ↑ blood flow best demonstrated on transverse side-by-side comparison…