RT Book, Section A1 Moore, Sarah A1 Pedigo, Ryan A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181041319 T1 Varicocele T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessmedicine.mhmedical.com/content.aspx?aid=1181041319 RD 2024/04/24 AB A varicocele forms when the veins along the spermatic cord become engorged due to valve incompetence and is usually asymptomatic. Patients may complain of a dragging sensation or heaviness of the testicle, or notice the painless mass of veins itself (bag of worms). It usually develops slowly by the third decade of life and is on the left side approximately 90% of the time.