A case of metastases to the paranasal sinus from rectal mucinous adenocarcinoma |
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Authors: | Kohtaroh Tanaka |
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Institution: | (1) Department of Otolaryngology, International Medical Center of Japan, Tokyo, Japan;(2) Present address: Department of Otolaryngology, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-ku, Tokyo 150-8935, Japan |
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Abstract: | Metastases of malignancies to the sinonasal tract are rare. We report a case of metastases to the paranasal sinus from rectal
adenocarcinoma. A 72-year-old woman, who had a history of therapy with rectal adenocarcinoma, came to our hospital for visual
loss in her right eye. Computed tomography revealed soft tissue in the right paranasal sinus. She underwent endoscopic sinus
surgery immediately and an easily bleeding tumor was found in the paranasal sinus. Magnetic resonance imaging showed a mass
involving the posterior ethmoid, the sphenoid sinus, and the orbit. From the surgical specimen, we found that the tumor was
a metastasis of a previously managed rectal mucinous adenocarcinoma. Metastatic carcinomas of the sinonasal tract have a high
risk of heavy hemorrhage during endoscopic sinus surgery. When a patient with visual loss has a history of malignancy, a possible
metastatic tumor should be considered before surgery. |
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Keywords: | Rectal adenocarcinoma Metastasis Sinonasal tract |
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