A prostate nodule is a fixed, hard (like a knuckle) part of the prostate that is located in the prostate.
Prostate nodules can be cancerous, but because not all nodules palpated on rectal exam are cancerous, other causes such as prostatitis, prostate stones, old infarcted foci of the prostate, and hemorrhoids can present as abnormal nodules.
Therefore, patients with prostate nodules are recommended to have a prostate puncture biopsy to further clarify the diagnosis.
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