TY - CHAP M1 - Book, Section TI - Male Genitourinary Problems A1 - Sorrentino, Annalise A2 - Tenenbein, Milton A2 - Macias, Charles G. A2 - Sharieff, Ghazala Q. A2 - Yamamoto, Loren G. A2 - Schafermeyer, Robert PY - 2019 T2 - Strange and Schafermeyer's Pediatric Emergency Medicine, 5e AB - Acute scrotal pain is usually caused by testicular torsion, epididymitis, or torsion of the appendix testis, and should be considered a surgical emergency until proven otherwise.Epididymitis is often caused by viral infections; however, bacterial urinary tract infections must be evaluated for in young children, and sexually transmitted disease should be considered in adolescents.Persistent scrotal swelling and a “bag-of worms” appearance indicates possible obstruction from tumor.Priapism can be divided into two mechanisms: low-flow or ischemic as in sickle cell vaso-occlusion and high-flow or engorgement, which can occur with trauma. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/07 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1155428110 ER -