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Metastatic Prostate Cancer Presenting as a Rectal Polyp: A Rare Occurrence
Ese Uwagbale1, Ifeanyichukwu Onukogu1, Vimal Bodiwala2
1Internal Medicine, Brookdale University Hospital Medical Center, Brooklyn, USA.
Cureus
|June 23, 2021
Summary
Metastatic prostate cancer can present as a rectal polyp, a rare gastrointestinal manifestation. This case highlights the importance of considering prostate cancer in rectal polyp diagnoses.
Area of Science:
- Oncology
- Gastroenterology
- Urology
Background:
- Prostate cancer can invade the rectum due to anatomical proximity.
- Gastrointestinal metastasis from prostate cancer is uncommon.
- Colorectal cancers can also invade the prostate gland.
Observation:
- A 76-year-old man presented with unexplained weight loss and fatigue.
- Colonoscopy revealed multiple colonic polyps, including a 12 mm rectal polyp.
- Initial diagnosis was made from the rectal polyp's pathology report.
Findings:
- The rectal polyp pathology confirmed metastatic prostate cancer.
- This represents a rare instance of prostate cancer initially diagnosed via a rectal polyp.
- The patient had no prior history of prostate cancer diagnosis.
Implications:
- This case underscores the need for thorough histopathological evaluation of rectal polyps.
- It expands the differential diagnosis for gastrointestinal lesions in older men.
- Highlights the importance of considering prostate cancer in unexplained gastrointestinal symptoms and findings.
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