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MRI

MRI

              :胰腺内异常信号结节/肿块,T1WI呈低信号,T2WI呈高信号,增强后呈轻度强化,边界不清。胰头癌多伴发低位胆道梗阻,胰管、胆管同时扩张,表现为分离的“双管征”

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