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额窦气囊肿多发生在外伤情况,而原发性者甚罕见。患者男,18岁,学生,因右前额部肿大6～7年住院。1958年自觉右侧眉弓内缘有一黄豆大隆起,随年龄逐渐增大。检查:见右侧前额眉上内侧缘有一坚硬球形肿物,约3.5×3.5×2cm,压之无波动无压痛。鼻腔粘膜及鼻甲均正常。X线:双侧额窦发育良好,右侧扩大,边缘清晰,窦内充满气体,前额骨质变薄,
Frontal sinus cysts occur in the traumatic situation, while the rare ones are rare. Patient male, 18 years old, student, hospitalized for 6-7 years due to enlargement of right forehead. In 1958, the inner edge of the right eyebrow bowls had a large bulge of soybeans, gradually increasing with age. Check: see the right side of the forehead brow on the inside edge of a hard spherical tumor, about 3.5 × 3.5 × 2cm, pressure fluctuations without tenderness. Nasal mucosa and turbinate are normal. X-ray: bilateral frontal sinus well-developed, the right side of the expansion, clear edges, sinus filled with gas, thinning of the prefrontal bone,