testicular torsion: sudden onset.cremasteric reflext neg, bell-clapper deformity, immediate surgicaal intervention
Torsion of appendix testis: more gradual onset. 80% 7-14 ys, blue dot sign repressenting infarction of the appendix testis. NASIDS or surgical
Epididymitis: subacute form. Severe pain and swelling, fever, chills, and voiding symtoms. iduration,swelling, and exquisite tenderness of the involved epididymis. in Sexually active male, Chlamydia is the most common cause
orchitis: by multiple virus like mumps, coxsackie, etc. Scrotal swelling and shininess of the skin, and tenderness of the testis.
Subacute epididymitis: healthy men related to sexual activity, heavy physical exertion, or bicycle/motocycle riding
