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患者女,65岁。嗅觉进行性减退2年余,左眼眶肿胀伴视物模糊6个月余。CT表现:左侧筛窦及前颅窝底软组织肿块影,大小约4.3 cm×3.7 cm×5.3 cm,边界较清、浅分叶,略呈膨胀性(图1);病灶向上突破前颅窝底达颅内压迫左额叶直回,向下压迫左侧中鼻甲阻塞左上颌窦口,左侧眼眶内侧壁骨质吸收其左眼内直肌及视神经受压,向右推移中隔突入右侧筛窦,向后阻塞部分蝶窦(图2);平扫呈等密度,欠均匀,CT值约40 HU,其内见斑块状及条状碎骨影,增强扫描呈显著强化,CT值约85 HU(图3)。
Female patient, 65 years old. The olfactory performance decreased for more than 2 years. The left eye was swollen with blurred vision for more than 6 months. CT findings: The left ethmoid sinus and anterior cranial fossa bottom soft tissue mass, about 4.3 cm × 3.7 cm × 5.3 cm in size, the boundary is relatively clear, shallow leafing, slightly dilated (Figure 1); lesions break through the frontal fossa Deda intracranial compression of the left frontal lobe straight back, pressing down the left middle turbinate blocking the left maxillary sinus ostium, the left side of the eyelid lateral wall bone absorption of the left eye rectus muscle and oppression of the optic nerve, pushed right into the septum into the right Side ethmoid sinus, partial obstruction of the sphenoid sinus (Figure 2); plain scan was of equal density, less uniform, CT value of about 40 HU, which saw plaque and stripped bone shadow, enhanced scan showed significant enhancement, CT A value of about 85 HU (Figure 3).