A39-year-old female patient presented with a dark-brown, well-demarcated plaque on her left ring finger since birth without symptoms. 患者女,39岁,自出生后即发现左手无名指无症状性暗褐色斑块。
Fig1 CT: It showed a ovoid shape low-attenuation with well-demarcated and peripheral enhancement, but without edematous zone in the left parasella. CT扫描示左鞍旁卵圆形低密度影,边界光滑,增强后环形强化,周围无水肿。
MRI showed symmetrical and well-demarcated long T_1 and T_2-weighted signals in basal ganglia and brainstem, especially in putamen. MRI表现对称性以壳核为主的基底节、脑干长T1长T2信号灶,边界清楚。
Hepatic involvement occurred in one case, on CT scan the lesion displayed as a well-demarcated huge mass with atypical signs of liver neoplasm, such as hemorrhage and necrosis. 肝脏侵犯1例,CT表现为边界清楚的巨大肿块,伴有出血、坏死等不典型的肝肿瘤征象。
Were well-demarcated with the heart, great vessels or pericardium while 3 had a close relationship with them. 境界清楚9例,与心脏大血管或心包联系紧密3例;
As a selection of the literature works, "The Anthology" is conceptual clarity and well-demarcated in naming and distinction of the the mourning writing style. 《文选》作为一部文学作品的选本,在哀祭类文体的区分与命名方面,概念清晰,界限分明。