Prostate Cancer
Prostate cancer begins in the prostate, a small gland located just below the bladder in men. The prostate is part of the male reproductive system and plays a role in producing seminal fluid. Prostate cancer is one of the most common forms of cancer in men. Fortunately, it is often detected early and grows slowly, making it highly treatable in most cases.
Types of Prostate Cancer
Most prostate cancers are adenocarcinomas, which form in the glandular tissue of the prostate. However, there are also rare forms of prostate cancer, including:
- Small cell carcinoma (similar to lung cancer)
- Neuroendocrine tumors (like those in the pancreas)
- Transitional cell carcinomas (associated with kidney cancer)
- Sarcomas (such as those originating in bone)
Prostate cancer is also classified based on how fast it grows:
- Nonaggressive (slow-growing): The tumor grows slowly and may not spread for many years.
- Aggressive (fast-growing): The cancer spreads quickly, potentially reaching other areas of the body such as bones, resulting in metastatic prostate cancer.
Prostate Cancer Risk Factors
Certain factors may increase the risk of developing prostate cancer:
- Age: Risk increases with age, especially after 50. Around 60% of prostate cancers are diagnosed in men over 65.
- Race and ethnicity: Black men and those of African ancestry are at higher risk, particularly for aggressive and early-onset forms.
- Family history: Having a close relative with prostate cancer raises your risk by 2 to 3 times.
- Genetic factors: Inherited mutations, such as those found in BRCA1, BRCA2, or Lynch syndrome, increase risk.
Other possible risk factors include
- Smoking
- Prostatitis (inflammation of the prostate)
- Obesity (BMI > 30)
- Sexually transmitted infections (STIs)
Symptoms of Prostate Cancer
Prostate cancer often develops without symptoms in its early stages. When symptoms do appear, they may include:
Early-stage symptoms:
- Blood in the urine (appears pink, red, or cola-colored)
- Blood in semen
- Frequent urination
- Difficulty starting urination
- Waking frequently at night to urinate
Advanced (metastatic) prostate cancer symptoms:
- Involuntary leakage of urine
- Back or bone pain
- Erectile dysfunction
- Unexplained fatigue
- Unintentional weight loss
- Weakness in the arms or legs
Early detection improves outcomes, so it's important to report any unusual symptoms to a healthcare provider.