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Colovesical Fistula As An Uncommon Presentation Of Metastatic Lung Cancer
Thu-Cuc Nguyen1, Aaron M Jaffe2, David Gray3
1Internal Medicine, University of Central Florida College of Medicine, Orlando, USA.
Cureus
|August 14, 2018
Summary
Colovesical fistula, an abnormal connection between the colon and bladder, is rarely caused by metastatic lung cancer. This case highlights an unusual presentation of stage IV lung adenocarcinoma manifesting as a colovesical fistula.
Area of Science:
- Gastroenterology
- Urology
- Oncology
Background:
- Colovesical fistula is an atypical communication between the colon and bladder, commonly caused by diverticulitis, inflammatory bowel disease, lymphoma, or radiation therapy.
- Typical symptoms include recurrent urinary tract infections (UTI), dysuria, frequency, abdominal pain, pneumaturia, fecaluria, and hematuria.
Observation:
- A patient with stage IV lung adenocarcinoma presented with abdominal pain, dysuria, and fecaluria.
- Diagnostic workup revealed a colovesical fistula as the cause of the patient's symptoms.
Findings:
- Colovesical fistula is an uncommon complication of advanced colon or bladder cancer.
- This case represents the first documented instance of a colovesical fistula presenting as a result of metastatic lung adenocarcinoma.
Implications:
- Increased clinical awareness of colovesical fistula as a rare manifestation of metastatic lung cancer is crucial for timely diagnosis.
- Prompt diagnosis and treatment can potentially reduce the need for prolonged antibiotic use in such unusual cases.
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