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女,59岁,左肾区绞痛,伴血尿10天。体查:左肾上极可扪及肿块3×5cm~2,左肾区叩痛(+)。B超示左肾下极肿块。 CT征象:左肾上极见一大小约7.5×8cm~2的低密度占位性病变,CT值-2～4Hu,病灶周边为中等密度、厚薄不均的囊壁结构,有中等密度短小嵴伸向病灶内。增强扫描病灶内低密度区无明显强化,囊壁及嵴不规则增强。
Female, 59 years old, with left colic, with hematuria for 10 days. Physical examination: the left kidney palpable mass 3 × 5cm ~ 2, left kidney area percussion pain (+). B ultrasound showed subcutaneous renal mass. CT signs: a very small size of the left kidney about 7.5 × 8cm ~ 2 low-density space-occupying lesions, CT value -2 ~ 4Hu, lesions around the middle-density, uneven thickness of the wall structure, medium density short crest Into the lesion. Enhanced lesion within the lesion showed no significant enhancement of the lesion, irregular wall and crest enhancement.