Read the finding
Renal & urology · Pattern recognition
Acute scrotum
4 findings. Cover the answers and work down the list — then flip it and predict the finding from the diagnosis.
Sudden severe pain, high-riding testis, absent cremasteric reflex, negative PrehnTesticular torsion
Gradual pain, fever, dysuria, positive Prehn signEpididymo-orchitis
Painless hard testicular lumpTesticular (germ-cell) cancer
A "bag of worms", usually left-sidedVaricocele