Which of the following is the MOST common site of infection in uncomplicated gonorrhea in males?

Explanation

## Anatomical Sites of Gonococcal Infection in Males **Key Point:** The anterior urethra is the primary site of infection in uncomplicated gonorrhea in males, accounting for >95% of cases. ### Urethral Infection Characteristics - **Columnar epithelium** of the anterior urethra is the natural target for *Neisseria gonorrhoeae* - Organisms attach via **pili** to columnar epithelial cells - Causes acute urethritis with purulent urethral discharge ("gonococcal urethritis") - Typically presents within **2–7 days** of exposure - Symptoms: dysuria, urethral discharge, urinary frequency ### Extragenital Sites (Less Common) | Site | Frequency | Clinical Features | |------|-----------|-------------------| | Rectum | 5–10% | Often asymptomatic; can cause proctitis | | Pharynx | 3–7% | Asymptomatic in majority; pharyngitis if symptomatic | | Prostate | Rare in uncomplicated | Occurs as complication (prostatitis) | | Epididymis | Rare in uncomplicated | Complication of ascending infection | **Clinical Pearl:** Extragenital sites are more common in men who have sex with men (MSM) and are often **asymptomatic**, making screening important in this population. **High-Yield:** The anterior urethra's columnar epithelium is the preferred site; the posterior urethra and bladder (stratified squamous epithelium) are rarely infected in uncomplicated disease.