Study of standardized A/B ultrasonography for diagnosis of orbital vascular lesions
- VernacularTitle:标准化A/B超诊断眼眶血管性病变的价值
- Author:
Lihua XIAO
- Publication Type:Journal Article
- Keywords:
Ultrasonography;
Orbital neoplasms;
Vascular diseases
- From:Chinese Journal of Ultrasonography
1993;0(03):-
- CountryChina
- Language:Chinese
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Abstract:
Objective To study the application of standardized A/B ultrasonography for the orbital vascular lesions. Methods Standardized A/B ultrasonography was performed on orbital vascular lesions of 145 cases. Results The orbital vascular lesions included the cavernous hemangiomas in 79 cases, venous hemangiomas 19 cases, lymphangiomas 15 cases, infantile hemangiomas 5 cases, varix 12 cases and carotid-cavernous sinus fistula 15 cases. The positive rate of standardized A/B scans was 98.6 %, false negative 1.4 %.Conclusions Standardized A/B ultrasonography can make accurate diagnosis for orbital vascular lesions. B-mode ultrasonography mainly shows the shape, location and the relation to normal orbital structure, but A-mode ultrasonography is more accurate in internal reflectivity of lesions, and sound attenuation and quantitative. Combined B-mode and A-mode ultrasonography is more effective for diagnosis of orbital vascular lesions.
