Scrotum · Protocol Navigator
Small Parts Scrotal Ultrasound Navigator
Protocol Checklist & Reference Values
Focused scrotal ultrasound protocol checklist aligned with current AIUM guidelines. Ensures complete bilateral testicular and epididymal survey with integrated normal measurement references and critical finding flags.
Protocol Progress0/4 critical
0/12 items · 0%
Longitudinal and transverse views — measure length, width, AP diameter
Normal adult testis: 3–5 cm × 2–3 cm × 2–3 cm
Parenchymal echogenicity — homogeneous medium-level echoes (normal)Critical
Focal hypoechoic lesion = malignancy until proven otherwise
Color Doppler — symmetric vascularity bilaterallyCritical
Absent flow in symptomatic patient = torsion until proven otherwise
Epididymis — head (globus major), body, tail; size and echogenicity
Normal epididymal head <12 mm; enlarged + hyperemic = epididymitis