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筛窦癌并不常见,据各作者报导筛窦癌占鼻及鼻窦癌的10％至1/3,也有报导379例鼻窦癌中筛窦癌少于5％。著者报导12例筛窦癌,患者年龄由17—68岁,平均50岁,男性10例,女性2例。关于筛窦癌的诱发因素很久以来多认为与鼻与鼻窦的慢性炎症有关,也有著者报导在下列工作环境中筛窦癌发病率增高,如制镍、鞋、皮革、含亚硝基胺食品、家俱及接触硬木粉尘等。组织病理:鼻窦癌一般以鳞状细胞癌多见;腺癌和乳头状细胞癌偶见。但筛窦癌以腺癌最多。著者观察的病例中6例腺癌、3例分化不全
The ethmoid sinus cancer is not common, according to the authors reported that ethmoid sinus cancer accounts for 10% to 1/3 of the cancer of the nose and sinus, and there are also reports of ethmoid sinus cancer less than 5% in 379 cases of sinus cancer. The authors reported 12 cases of ethmoid sinus cancer, patients aged 17-68 years old, an average of 50 years old, 10 males and 2 females. The predisposing factors for ethmoid sinus cancer have long been thought to be related to the chronic inflammation of the nose and sinuses. The authors also reported increased incidence of ethmoid sinus cancer in the following working environments, such as nickel, shoes, leather, nitrosamine-containing foods, Furniture and contact with hardwood dust. Histopathology: Sinus cancer is more common in squamous cell carcinoma; adenocarcinoma and papillary carcinoma are occasionally seen. However, ethmoid sinus cancer is the most common type. The authors observed 6 cases of adenocarcinoma and 3 cases of incomplete differentiation