High-resolution ultrasonography in 50 cases of normal parathyroid glands
- VernacularTitle:正常人甲状旁腺的高频超声断层影像50例
- Author:
Jianquan ZHANG
;
Baozhuan HUANG
;
Changlin MEI
- Publication Type:Journal Article
- Keywords:
parathyroid glands;
ultrasonography
- From:
Academic Journal of Second Military Medical University
2001;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To better understand the high-resolution ultrasound features of normal parathyroid glands for making correct diagnosis of parathyroid abnormalities and performing interventional therapy. Methods: Fifty normal adult volunteers were enrolled in this investigation on out-patient base. A high-resolution transducer (10 MHz) was used to scan their necks bilaterally from the upper pole of thyroid downwards closely to the clavicle. The shape, size, location, number and internal echoes of parathyroid gland were carefully documented. Results: One hundred and forty parathyroid glands were detected. Eight people had 4 glands detected(16%), 33 people 3 glands (66%), 7 people 2 glands(14%) and 2 had only 1 gland(4%) found. Among the 140 glands, 78(55.7%) were superior parathyroid glands(right 42 and left 36) and the rest 62(44.3%)were inferior parathyroid glands(right 33 and left 29). Conclusion: (1) 10 MHz high-resolution ultrasound can be used for detection of normal parathyroid glands. (2) In most cases the ultrasound findings are 3 parathyroid glands. The superior glands are more easily found than the inferior glands, and those inferior glands deep in the mediastinum can not be detected by ultrasound. (3) The knowledge of small size, oval or round shape, internal hypoechoes and the anatomic site of parathyroid gland helps the ultrasonographer to determine appropriately.
