Objective to investigate the characteristics of ultrasonography of atypical ectopic pregnancy and to improve the accuracy rate of the localization and characteristic diagnostication.
目的探讨非典型异位妊娠的声像图特点，以提高超声对非典型异位妊娠定性及定位的准确率。
2
Conclusion the atypical symptoms and focus, indefinite locations and easy aggravating properties are the characteristics of pulmonary tuberculosis in senility.
结论老年肺结核具有症状不典型、病变不典型、病灶部位不固定、病变容易恶化等特点。
3
Objective: To discuss the atypical CT imaging characteristics of acute epidural hematoma and subdural hematoma in head injuries.