印度东北部上阿萨姆地区人群甲状腺的形态学变异：一项尸体研究
Morphological Variations of the Thyroid Gland among the People of Upper Assam Region of Northeast India: A Cadaveric Study.
作者信息
Rajkonwar Anjan Jyoti, Kusre Giriraj
机构信息
Demonstrator, Department of Anatomy, Assam Medical College and Hospital , Dibrugarh, Assam, India .
Associate Professor, Department of Anatomy, Assam Medical College and Hospital , Dibrugarh, Assam, India .
出版信息
J Clin Diagn Res. 2016 Dec;10(12):AC01-AC03. doi: 10.7860/JCDR/2016/19395.8966. Epub 2016 Dec 1.
INTRODUCTION
The morphological variations of the thyroid gland have been reported from different parts of the world. The variations are due to remnant or non-specific development of the parts of the thyroid gland. Surgical operation of the thyroid gland has been the treatment of choice in various thyroid pathologies. Prior knowledge of the morphological variation is important to ensure better results from these surgical operations.
AIM
To study the prevalence of morphological variations seen in the thyroid glands in the upper Assam region of Northeast India.
MATERIALS AND METHODS
This was a hospital based cadaveric study. Total number of Thyroid glands dissected were 80. The thyroid gland was examined properly for the presence of pyramidal lobe, levator glandulae thyroideae and complete absence of isthmus. Statistical analysis was done by SPSS 21.0.
RESULTS
It was found that 17 (21.25%) cadavers did not show an isthmus. The pyramidal lobe was present in 31(38.75%) cases and frequently arising from the left side (74.2%) of the isthmus. Levator glandulae thyroideae was found in 15 (18.75%) of the thyroid specimens. In all cases, it was extended from the apex of the pyramidal lobe to the hyoid bone.
CONCLUSION
Morphological variation of the thyroid gland is very common hence requires detection prior to any surgery on the thyroid gland.
引言
世界各地均有关于甲状腺形态变异的报道。这些变异是由于甲状腺各部分的残留或非特异性发育所致。甲状腺手术一直是各种甲状腺疾病的首选治疗方法。了解形态变异的相关知识对于确保这些手术取得更好的效果至关重要。
目的
研究印度东北部上阿萨姆地区甲状腺形态变异的发生率。
材料与方法
这是一项基于医院的尸体研究。共解剖了80个甲状腺。对甲状腺进行了仔细检查，以确定是否存在锥状叶、甲状腺提肌以及峡部完全缺如的情况。采用SPSS 21.0进行统计分析。
结果
发现17例（21.25%）尸体的甲状腺峡部缺如。31例（38.75%）出现锥状叶，且锥状叶多起源于峡部左侧（74.2%）。15例（18.75%）甲状腺标本中发现有甲状腺提肌。在所有病例中，甲状腺提肌均从锥状叶顶端延伸至舌骨。
结论
甲状腺形态变异非常常见，因此在对甲状腺进行任何手术之前都需要进行检测。
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