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Nephrogenic epistaxis.

Rajeev Kumar, Kapil Sikka, Rakesh Kumar

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    |January 1, 2014
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    Summary
    This summary is machine-generated.

    Metastatic renal cell carcinoma (RCC) rarely affects the nose and paranasal sinuses. This case highlights recurrent epistaxis as a potential late sign of this rare cancer metastasis.

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    Area of Science:

    • Oncology
    • Otolaryngology
    • Pathology

    Background:

    • Renal cell carcinoma (RCC) is a malignant tumor originating in the kidneys.
    • Metastasis of RCC to the head and neck, particularly the nasal cavity and paranasal sinuses, is exceptionally rare.
    • Late recurrence of cancer after initial treatment necessitates thorough investigation of potential metastatic sites.

    Observation:

    • A patient presented with recurrent epistaxis (nosebleeds) and a nasal mass.
    • Imaging and biopsy confirmed metastatic renal cell carcinoma in the nasal cavity.
    • The patient had a history of curative nephrectomy for kidney cancer ten years prior.

    Findings:

    • Metastatic renal cell carcinoma can manifest in the nasal cavity and paranasal sinuses years after primary treatment.
    • Recurrent epistaxis and nasal masses are potential, albeit rare, presenting symptoms of metastatic RCC.
    • Histopathological examination is crucial for diagnosing metastatic disease in unusual locations.

    Implications:

    • Clinicians should consider metastatic RCC in the differential diagnosis of patients with unexplained recurrent epistaxis and nasal symptoms, especially those with a prior history of kidney cancer.
    • Early recognition and diagnosis of metastatic RCC in the sinonasal region are vital for appropriate management.
    • This case underscores the importance of long-term surveillance for patients treated for renal cell carcinoma due to the potential for late distant metastasis.