Inflammation of testis - can be infectious (usually) or non-infectious
Infectious
Viral - most common etiology is mumps<unk>  seen in 20-30% of mumps patients)
Epididymis typically not involved
Bacterial - typically due to hematogenous spread from epididymis: "epididymo-orchitis"
(bacterial infections rarely involve only the testis)
bacterial pathogens: N. gonorrhea, C. trachomatis, E. Coli, Klebsiella, P. aeruginosa
Viral - most common etiology is mumps<unk>  seen in 20-30% of mumps patients)
Epididymis typically not involved
Bacterial - typically due to hematogenous spread from epididymis: "epididymo-orchitis"
(bacterial infections rarely involve only the testis)
bacterial pathogens: N. gonorrhea, C. trachomatis, E. Coli, Klebsiella, P. aeruginosa
Epididymis typically not involved
(bacterial infections rarely involve only the testis)
bacterial pathogens: N. gonorrhea, C. trachomatis, E. Coli, Klebsiella, P. aeruginosa
Orchitis
Scrotal cellulitis
Dacryocystitis
Epididymitis
Fournier gangrene
Vulvovaginitis
Hematocele
Uvulitis