How easily would a testicular abscess be picked up on a scrotal ultrasound? even a smaller abscess? easily noticed?

Quite easy if...: Scrotal ultrasound is supporting tool to "confirm" a clinical suspicion and diagnosis which is suggested and reached through a detailed info on specifics, relevance, and sequence of events of all symptoms plus properly performed physical exam and tests as needed. So doing will uplift the usefulness of scrotal US - very effective!