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  • Title: Lower gastrointestinal bleeding as the initial presenting symptom of renal cell carcinoma.
    Author: Perez VM, Huang GJ, Musselman PW, Chung D.
    Journal: Am J Gastroenterol; 1998 Nov; 93(11):2293-4. PubMed ID: 9820422.
    Abstract:
    Renal cell carcinoma is known as one of the "great mimics encountered in clinical medicine," along with syphilis and tuberculosis. It can present clinically as a wide range of symptoms, with a classic triad described as hematuria, pain, and a palpable abdominal mass. However, this triad is present only in <20% of patients with renal cell carcinoma. Gastrointestinal bleeding has been described in renal cell carcinoma, although mainly secondary to metastasis in the upper gastrointestinal tract, with few cases due to local invasion. Lower gastrointestinal bleeding as a presenting symptom of an invasive primary renal cell carcinoma has been described in only one patient in the literature. Our patient is the first in whom a colonoscopic biopsy was used as a successful diagnostic modality.
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