This document discusses several conditions affecting the testes and adjacent structures, including orchitis, epididymitis, hydrocele, and varicocele. Orchitis is defined as an inflammation of the testes that can be caused by bacterial, viral, spirochetal, parasitic, traumatic, chemical or unknown factors. Risk factors include not being immunized against mumps, having recurrent UTIs, prior genital or urinary tract surgery, multiple sexual partners, and history of STDs. Symptoms include acute scrotal pain, edema, and tenderness, as well as potential fever, nausea and vomiting. Treatment involves antibiotics if bacterial, along with NSAIDs, analgesics, bed rest, scrotal elevation,