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患儿男,12岁。自幼右耳流脓,于1989年6月于某医院行右乳突根治术。术后3个月,右耳反复流脓,于1990年2月收入我院。查体:右耳道口有1.2×1×0.6cm肉芽,右耳后有一2×1.5cm大小包块。颅底片示:右额骨局部密度低,结构乱,右侧乳突局部密度低,内有异物。印象:额骨转移瘤待排。术中见乳突部有半圆形新生物,表面光滑,边界不清,似瘢痕组织。乳突腔内充满葡萄状肿
The boy is 12 years old. He had a right ear pus since childhood and he had undergone a radical mastoidectomy at a hospital in June 1989. Three months after the operation, the right ear repeatedly blew and was admitted to our hospital in February 1990. Physical examination: There was a 1.2×1×0.6 cm granulation in the right ear, and a 2×1.5 cm mass behind the right ear. Skull base film shows: the local density of the right frontal bone is low, the structure is chaotic, the local density of the right mastoid is low, and there is foreign matter inside. Impression: The frontal metastasis tumors are discharged. During surgery, there were semicircular neoplasms in the papillae with a smooth surface and unclear borders, resembling scar tissue. The mastoid cavity filled with grape swollen