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目的:探讨胸腔出入口区的正常CT解剖和CT对该区病变的诊断及鉴别诊断价值。方法:回顾性分析了经病理及临床证实的117例胸腔出入口区病变的CT表现,对50例正常对照组在CT上分为5个解剖区:1区(甲状腺区);2区(甲状腺内侧区);3区(甲状腺外侧区);4区(甲状腺后区);5区(甲状腺前区)。结果:在117例中,1区11 例(9.40%),2区8例(6.84%),3区72例(61.54%),4区1例(0.85%),5区3例(2.56%),跨1、3、5区15 (12.8%),跨1、2、3区7例(5.98%)。病变主要分布在3区,其中以淋巴结病变最为多见(55例);甲状腺病变(33 例)主要分布在1区和跨区生长。结论:在CT上对胸腔出入口区合理的五区划分,有利于病变的定位和定性诊断,具有重要的临床应用价值。
Objective: To investigate the normal CT anatomy of thorax entrance area and the value of CT in the diagnosis and differential diagnosis of the lesions in this area. Methods: A retrospective analysis of pathological and clinically confirmed 117 cases of thoracic entrance area lesions CT manifestations, 50 cases of normal control group on the CT is divided into five anatomical regions: 1 (thyroid region); 2 (thyroid medial Zone 3) (Thyroid Lateral Zone), Zone 4 (Thyroid Gland), Zone 5 (Thyroid Gland). Results: Among the 117 cases, 11 cases (9.40%) were in zone 1, 8 cases (6.84%) in zone 2, 72 cases (61.54%) in zone 3, ), Spanning 1,3,5 area 15 (12.8%) and spanning 1, 2 and 3 area 7 (5.98%). The lesions were mainly located in Zone 3, of which lymph node lesions were the most common (55 cases). Thyroid lesions (33 cases) were mainly located in Zone 1 and spans. Conclusion: It is of great benefit to the localization and qualitative diagnosis of thoracic cavity entrance and exit on the CT that it has an important clinical value.