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The persistent median artery: A new challenger in carpal tunnel imaging? 持续正中动脉:腕管成像的新挑战?
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_114_21
Okan Gürkan, F. Çengel, Umut Erdem, Ayhan Yılmaz, Abdulkadir POLAT, E. Ekin
Introduction: The aim of the study was to determine the incidence of the persistent median artery (PMA) at the wrist level, its correlation to age, gender, and contralateral wrist, and its position to the median nerve and its variations. Material and Methods: A total of 1504 wrists were evaluated using the magnetic resonance imaging examination. The proton density and T2-weighted axial images were investigated. The patients were divided into three groups according to age. The incidence of PMA, gender, and relationship with the contralateral wrist, distribution according to the age groups, and position to the median nerve were recorded. The images were first evaluated on the consensus of two radiologists and then all data were inspected by another radiologist with at least 10 years of experience in musculoskeletal radiology. Results: Palmar-type PMA was observed in 379 of 1504 included wrists (25.1%). The evaluation according to the age groups showed that the incidence of PMA decreased with increasing age. The median nerve variations concomitant to PMA (bifid-trifid) was found to be seen in 94 patients. In 61 of these 94 patients (64.8%), PMA was passing through the branches of the median nerve. It was observed that in 62.5% of the cases, PMA occupied an anteromedial position to the median nerve. Discussion and Conclusion: PMA accompanied by median nerve variations is frequently seen. The incidence of PMA decreases with increasing age. The presence of PMA and its position should be cautiously evaluated using imagery, particularly in young patients before wrist surgery.
简介:本研究的目的是确定腕部持续性正中动脉(PMA)的发生率,其与年龄、性别和对侧腕的相关性,以及其与正中神经的位置及其变化。材料与方法:对1504例腕关节进行磁共振成像检查。研究了质子密度和t2加权轴向图像。患者按年龄分为三组。记录PMA的发生率、性别、与对侧腕关节的关系、按年龄组分布、到正中神经的位置。图像首先在两位放射科医生的共识上进行评估,然后所有数据都由另一位具有至少10年肌肉骨骼放射学经验的放射科医生检查。结果:1504例患者中379例(25.1%)出现掌型PMA。按年龄组评价显示,PMA发病率随年龄的增长而下降。在94例患者中发现了伴随PMA(三裂)的正中神经变异。94例患者中61例(64.8%)PMA通过正中神经分支。在62.5%的病例中,PMA占据正中神经的前内侧位置。讨论与结论:PMA伴正中神经变异性多见。PMA的发病率随着年龄的增长而降低。在手腕部手术前,应谨慎评估PMA的存在及其位置,尤其是年轻患者。
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引用次数: 0
Demonstration of the epigastric vessels surface anatomy with equation model: An anatomical feasibility study 用方程模型演示腹壁血管表面解剖:解剖学可行性研究
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_207_21
S. Karaca, Onur Ince, M. Adıyeke, Alper Ileri, T. Vural, E. Töz, A. Demir, I. Karaca, A. Pulur, I. Ertas
Introduction: The objective of this study is to design a patient-specific model to predict the location of epigastric vessels on the abdominal surface and to show clinicians safe areas before surgical intervention. Material and Methods: A total of 200 patients who underwent color Doppler ultrasound evaluation of the deep epigastric vessel before gynecological laparoscopic surgery were recruited in the study. The deep epigastric vessels were identified at three equal levels between the xiphoid and umbilicus, and five equal levels between the umbilicus and the symphysis pubis. The distance between the epigastric vessels and the midline was measured bilaterally at each level. Linear mixed effect modeling was used to assess the anatomical location of the epigastric vessels. Results: The model with waist circumference term was found to be the model with best performance metric. This model included waist circumferences as a covariate, the region of the epigastric vessel as a categorical variable, and random effects for patients. The model that calculates the expected distance from the midline of the epigastric vessels for different regions and waist circumferences are presented as “Distance to midline (cm) = 2.57 + Region A + Region B × Waist Circumference.” Discussion and Conclusion: With the equation model, we proposed, the location of the epigastric vessels can be determined specifically for the patient and the abdominopelvic regions. This model can be a guide to prevent vascular injury.
引言:本研究的目的是设计一个针对患者的模型,以预测上腹部血管在腹部表面的位置,并在手术干预前向临床医生显示安全区域。材料和方法:本研究共招募了200名在妇科腹腔镜手术前接受上腹部深血管彩色多普勒超声评估的患者。上腹部深血管在剑突和脐之间的三个相等水平处以及脐和耻骨联合之间的五个相等水平上被识别。上腹部血管和中线之间的距离是在每一个水平两侧测量的。线性混合效应模型用于评估上腹部血管的解剖位置。结果:有腰围项的模型是性能指标最好的模型。该模型包括腰围作为协变量,上腹部血管区域作为分类变量,以及患者的随机效应。计算不同区域和腰围距上腹部血管中线的预期距离的模型为“距中线的距离(cm)=2.57+区域A+区域B×腰围”。讨论和结论:利用方程模型,上腹部血管的位置可以特别针对患者和腹盆区域来确定。该模型可作为预防血管损伤的指南。
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引用次数: 0
Morphological and anthropometrical features of human ear ossicles: A 1-year cadaveric observational study 人耳听骨的形态学和人体测量学特征:一项为期一年的尸体观察研究
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_67_21
R. Mudhol, Sindhu Narahari, R. Havaldar
Introduction: The ossicular chain formed by malleus, incus, and stapes, is considered an essential content of the middle ear and is responsible for the transmission of sound vibrations from the tympanic membrane to the oval window. This study aims to evaluate the morphology and anthropometry of ossicles from human cadavers. Material and Methods: This is a cross-sectional study conducted in the Department of Otorhinolaryngology and Head-and-Neck Surgery of KAHER's JN Medical College, Belagavi, for 1 year. Twenty fresh cadavers (40 sets of ossicles) were dissected using zero-degree endoscope. With gentle manipulation, ossicles were removed to study anthropometry and morphology of each middle ear bone using osseous sizer. Results: Among the three bones, based on mean measurements, the heaviest bone was incus (19.08 mg), followed by malleus (16.65 mg) and the lightest bone was stapes (2.28 mg). The longest bone among the three bones was malleus (7.18 mm), followed by incus (5.71 mm) and stapes (2.70 mm). Malleus showed variations in the distal ends, incus showed variation in the lenticular process and the obturator foramen of stapes had different shapes. Discussion and Conclusion: With a rapid rise in the demand for ossiculoplasty in India, knowledge of morphology and possible anthropometric variation existing in Indian subjects is needed to add up to a better understanding of middle ear dynamics.
引言:由锤骨、砧骨和镫骨形成的听骨链被认为是中耳的重要组成部分,负责将声音振动从鼓膜传递到卵圆窗。本研究旨在评估人类尸体上小骨的形态和人体测量。材料和方法:这是一项在Belagavi KAHER JN医学院耳鼻喉科和头颈外科进行的为期1年的横断面研究。用零度内窥镜解剖了20具新鲜尸体(40组小骨)。通过温和的操作,取下小骨,使用骨测径仪研究每个中耳骨的人体测量和形态。结果:在三块骨头中,根据平均测量,最重的骨头是砧骨(19.08 mg),其次是锤骨(16.65 mg),最轻的骨头是镫骨(2.28 mg)。三块骨头中最长的骨头是锤骨(7.18毫米),其次是砧骨(5.71毫米)和镫骨(2.70毫米)。Malleus远端变异,砧骨豆状突变异,镫骨闭孔形状不同。讨论和结论:随着印度对听骨成形术的需求迅速增长,需要了解印度受试者的形态学和可能的人体测量变化,以更好地了解中耳动力学。
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引用次数: 2
Coexisting multiple and complex peritoneal variations and agenesis of vermiform appendix 阑尾多发性复杂腹膜变异与发育不全并存
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_188_20
Mehtap Tiryakioğlu, S. Fahrioğlu, S. Onderoglu, S. Ilgi
We have come across a series of variations on our cadaver during routine dissection of the abdominal viscera. The amount and extent of the variations were unexpected in one cadaver, and they were followed one after another as listed: a peritoneal cyst formed by the parietal peritoneum that was stuck to the anterior surface of the right kidney, intraperitoneal duodenum, intraperitoneal ascending colon, partially constricted transverse colon, and several peritoneal strings running in between the various parts of the visceral peritoneum and the parietal peritoneum covering the abdominal wall, unusual location and size of the root of mesentery, and agenesis of the vermiform appendix. Our cadaver's medical history has not shown any surgery; it never showed any scars on the abdominal wall that might have indicated surgical operations. Peritoneal variations and agenesis of vermiform appendix are of great importance during diagnostic monitoring as well as surgical interventions. Extensive peritoneal variations in one patient may cause some extremely critical complications during the peritoneal dialysis, as well as during the laparoscopic approaches. We present these multiple and complex variations in one cadaver with respect to serious clinical complications that may come out because of ignorance of such cases.
在腹部内脏的常规解剖过程中,我们在尸体上发现了一系列变化。变异的数量和程度在一具尸体中是出乎意料的,并且一个接一个地进行了追踪,如下所示:由粘附在右肾前表面、腹膜内十二指肠、腹膜内升结肠、部分收缩的横结肠形成的腹膜囊肿,在覆盖腹壁的内脏腹膜和壁腹膜的各个部分之间有几条腹膜线,肠系膜根部的位置和大小不寻常,阑尾发育不全。我们的尸体的病史没有显示任何手术;它从未在腹壁上显示出任何可能需要手术的疤痕。阑尾的腹膜变异和发育不全在诊断监测和手术干预中具有重要意义。一名患者的广泛腹膜变异可能会在腹膜透析和腹腔镜手术中引起一些极其严重的并发症。我们在一具尸体中呈现了这些多重而复杂的变异,这些变异与严重的临床并发症有关,这些并发症可能是由于对此类病例的无知而出现的。
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引用次数: 0
Sternalis muscle in living individuals identified with computed tomography 计算机断层扫描鉴定活体胸骨肌
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_204_21
Rüştü Türkay, Sevim Özdemir, Nurdan Göçgün, T. Can, B. Yılmaz, T. Ikizceli, İ. Gürses
Introduction: The sternalis muscle is a rare muscular variation of the anterior thoracic wall. When present, it can confuse the radiologists as a breast mass on mammograms and pose as a challenge and opportunity at the same time for surgeons during mastectomies or breast augmentation procedures. This study aims to investigate the frequency and anatomy of the sternalis muscle on a large Turkish sample. Material and Methods: Following ethical approval, the presence and anatomy of the sternalis muscle was investigated on thoracic computed tomography (CT) scans of 8408 patients. Results: The sternalis muscle was present in 263 (3.1%) patients. The presence of the muscle was unilateral on the right side in 104 (39.5%), unilateral on the left side in 96 (36.5%), and bilateral in 63 (24%) patients. In 326 hemithoraces, Type 1, Type 2, and Type 3 sternalis muscles were observed in 79.2%, 14.4%, and 6.4% of the patients, respectively. Discussion and Conclusion: The frequency of the sternalis muscle among the Turkish population was relatively lower compared to the previous studies on different ethnicities. In addition, CT provides a detailed evaluation of the muscle.
简介:胸骨肌是胸前壁一种罕见的肌肉变异。如果存在,它可能会将放射科医生混淆为乳房X光检查中的乳房肿块,并在乳房切除术或隆胸手术中对外科医生构成挑战和机遇。本研究旨在研究土耳其大样本胸骨肌的频率和解剖结构。材料和方法:在获得伦理批准后,对8408名患者的胸部计算机断层扫描(CT)进行了胸骨肌的存在和解剖研究。结果:263例(3.1%)患者存在胸骨肌。104例(39.5%)患者右侧单侧存在肌肉,96例(36.5%)患者左侧存在肌肉,63例(24%)患者双侧存在肌肉。在326例半胸中,分别有79.2%、14.4%和6.4%的患者观察到1型、2型和3型胸骨肌。讨论和结论:与先前对不同种族的研究相比,土耳其人群中胸骨肌的频率相对较低。此外,CT提供了对肌肉的详细评估。
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引用次数: 0
Sub-acromion impingement syndrome: Scapular morphometric analysis: A study on dry bones among Eastern Indian population 肩峰下撞击综合征:肩胛骨形态计量学分析:东印度人群干骨的研究
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_143_20
Madhumita Dutta, Ratnadeep Poddar
Introduction: Among various factors responsible for the development of chronic shoulder pain worldwide, the role of scapula, as a bony factor, is very important. This study focuses on evaluating the scapular shape and contour as a determinant of sub-acromion impingement syndrome. This was a cross-sectional observational study conducted on dry bones. Material and Methods: Dry scapulae (42 right sided and 38 left sided) were studied by taking digital photographs in different views and analyzing various parameters (critical shoulder angle (CSA), glenoid inclination, shape of acromion process, etc.) using ImageJ analyzer. Results were analyzed using measures of central tendency, and statistical significance was analyzed by measuring P values with the help of SPSS software (v25). Results: There were 40% Type I, 38.75% Type II, and 21.25% Type III scapulae, respectively. The Type I and III scapulae showed significant variations on the basis of various acromion overhangs (anterior overhang was 9.03 mm and 11.08 mm in Types I and III, respectively, while for the lateral overhang, the values were 9.73 mm and 6.25 mm in Types I and III, respectively) and angles (lateral acromion angle was 79.5° and 71.9° for Types I and III, respectively, whereas the coraco-acromion angle was 37° and 30.8° in Types I and III, respectively). The glenoid inclination and CSA were also significantly variable between all three types of scapulae. Discussion and Conclusion: The scapular morphology plays a pivotal role which can be extrapolated on a radiological basis in pertinent patients to determine the chances of developing pathological shoulders in future.
引言:在世界范围内导致慢性肩痛发展的各种因素中,肩胛骨作为一种骨因素的作用非常重要。本研究的重点是评估肩胛骨的形状和轮廓作为肩峰下撞击综合征的决定因素。这是一项对干燥骨骼进行的横断面观察研究。材料与方法:通过拍摄不同角度的数字照片,并使用ImageJ分析仪分析各种参数(临界肩角(CSA)、关节盂倾角、肩峰突形状等),研究干肩胛骨(右侧42例,左侧38例)。结果采用中心倾向测量法进行分析,统计学意义采用SPSS软件(v25)测量P值进行分析。结果:肩胛骨I型占40%,II型占38.75%,III型占21.25%。I型和III型肩胛骨在不同肩峰悬突的基础上表现出显著变化(I型和Ⅲ型的前悬突分别为9.03 mm和11.08 mm,而I型和III型的侧悬突值分别为9.73 mm和6.25 mm)和角度(I型和III型的肩峰侧角分别为79.5°和71.9°,而I型和Ⅲ型的喙肩峰角分别为37°和30.8°)。在所有三种类型的肩胛骨之间,关节盂倾角和CSA也存在显著差异。讨论和结论:肩胛骨形态起着关键作用,可以在放射学基础上对相关患者进行推断,以确定未来发展为病理性肩部的机会。
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引用次数: 0
Unilateral absence of round ligament of femur - Cadaveric case report 单侧股骨圆韧带缺失——Cadaveric病例报告
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_210_21
Divya Umamaheswaran, Naga Chigurupati, Prince Solomon, Rema Devi
Round ligament of femur is a pyramidal structure with apex attached to the fovea of the femoral head and its base blends with the transverse acetabular ligament. It is an intracapsular but extrasynovial structure. It is also called ligamentum teres femoris or foveal ligament. It transmits the acetabular branch of obturator artery and also acts as a secondary stabilizer of the hip joint by supplementing the other ligaments of the hip joint in extreme range of motion. Absence of round ligament of femur is a rare variation which can be unilateral or bilateral and prevalence is 2%–3%. It presents rarely as isolated entity or in association with congenital dysplasia of the hip. This report presents a rare variation of unilateral absence of round ligament of femur with minimal evidence of developmental dysplasia of the hip. During routine dissection of a middle-aged cadaver, on opening the hip joint cavity, the round ligament of femur was absent on the left side whereas, acetabular labrum and femoral head were normal. On the right side, the lower limb was normal in position and round ligament of femur was present in normal length and thickness. Awareness and knowledge of such a rare variation are important for radiologists and orthopedicians for better diagnosis and management of hip-related problems.
股骨圆韧带为锥体结构,顶端附着于股骨头中央窝,底部与髋臼横韧带融合。它是囊内滑膜外结构。它也被称为股圆韧带或中央凹韧带。它传递闭孔动脉的髋臼支,并在极端活动范围内补充髋关节的其他韧带,作为髋关节的二级稳定器。股骨圆韧带缺失是一种罕见的变异,可发生在单侧或双侧,患病率为2%-3%。它很少表现为孤立的实体或与先天性髋关节发育不良有关。本文报告一例罕见的单侧股骨圆韧带缺失,伴少量髋关节发育不良的证据。在一例中年尸体的常规解剖中,在打开髋关节腔时,左侧股骨圆形韧带缺失,而髋臼唇和股骨头正常。右侧下肢位置正常,股骨韧带圆形,长度和厚度正常。认识和了解这种罕见的变异对放射科医生和骨科医生更好地诊断和管理髋关节相关问题是很重要的。
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引用次数: 0
Basic rules for naming sutures 命名缝合线的基本规则
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_166_20
E. Unur, Ilyas Uçar, S. Çıkmaz, Salih Akki
{"title":"Basic rules for naming sutures","authors":"E. Unur, Ilyas Uçar, S. Çıkmaz, Salih Akki","doi":"10.4103/jasi.jasi_166_20","DOIUrl":"https://doi.org/10.4103/jasi.jasi_166_20","url":null,"abstract":"","PeriodicalId":50010,"journal":{"name":"Journal of the Anatomical Society of India","volume":"71 1","pages":"156 - 157"},"PeriodicalIF":0.4,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45773237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of workstation posture in diversified professionals as a tool to enhance better understanding of health outcomes to avoid occupational health hazards 分析不同专业人员的工作站姿势,以此作为更好地了解健康结果以避免职业健康危害的工具
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-04-01 DOI: 10.4103/jasi.jasi_60_20
W. S Johnson, J. Koshy, Archana Rajasundram
Introduction: Wrong postures change the body mechanics, causing pressure on joint surfaces, strain to ligaments, and skeletal muscle disadvantage. Simple faulty posture is one of the main reasons for musculoskeletal pain, especially back pain and neck pain. Based on the understanding that aberrations in posture can cause pain and injury, training and education for posture correction through training have been used as treatment approaches. The intent of the present study was to analyze posture and the severity of postural abnormalities using plumb line and to identify if these abnormalities are associated with pain among professionals. Material and Methods: The posture of 120 participants from four occupational groups was analyzed using a plumb line in relation to anatomical landmark and categorized into four types. Data were recorded as the frequency of the posture types. To test the equality of means among more than two groups, the Kruskal–Wallis test was used. Posture frequency was then compared with musculoskeletal symptoms. Results: The major finding in this study is that a considerable proportion of the study sample displayed some degree of postural anomaly. Kyphosis was found to be highest among IT professionals (76.7%) compared to the other professional groups. Kypholordotic posture was more among the nurses. The frequency of pain increased in participants with more severe postural issues. It is hypothesized that the means of different groups compared are the same against the alternative that at least one group's mean is different from others. The difference observed difference was statistically significant (P < 0.001). Discussion and Conclusion: Postural abnormalities are a significant risk factor for musculoskeletal disorders. The ergonomics of the working environment have a direct impact on the well-being of professionals. Hence, the organizations employing them, and the professionals themselves need to be sensitized regarding the importance of correct working posture.
错误的姿势改变身体力学,造成关节面压力,韧带拉伤,骨骼肌不利。简单的错误姿势是肌肉骨骼疼痛的主要原因之一,特别是背部疼痛和颈部疼痛。基于对姿势异常可引起疼痛和损伤的认识,通过训练进行姿势矫正的训练和教育已被用作治疗方法。本研究的目的是利用铅垂线分析姿势和姿势异常的严重程度,并确定这些异常是否与专业人员的疼痛有关。材料与方法:采用铅垂线对来自4个职业群体的120名参与者进行姿势分析,并将其分为4种类型。数据被记录为姿势类型的频率。为了检验两组以上的均数是否相等,我们采用了Kruskal-Wallis检验。然后将姿势频率与肌肉骨骼症状进行比较。结果:本研究的主要发现是相当比例的研究样本显示出某种程度的姿势异常。与其他专业人群相比,IT专业人员(76.7%)的脊柱后凸率最高。护士多为后仰姿势。姿势问题越严重,疼痛的频率越高。假设比较的不同组的均值相同,而另一种选择是至少有一个组的均值不同于其他组。观察差异有统计学意义(P < 0.001)。讨论与结论:体位异常是肌肉骨骼疾病的重要危险因素。工作环境的人体工程学对专业人员的健康有直接的影响。因此,雇用他们的组织和专业人员本身需要对正确工作姿势的重要性敏感。
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引用次数: 0
A rare anomalous origin of the right vertebral artery from the right aortic arch with the left aberrant subclavian artery arising from kommerell's diverticulum 一例罕见的右椎动脉起源于右主动脉弓,左锁骨下动脉起源于科默雷尔憩室
IF 0.4 4区 医学 Q4 ANATOMY & MORPHOLOGY Pub Date : 2022-01-01 DOI: 10.4103/jasi.jasi_17_21
Gülay Açar, M. Koplay
Right-sided aortic arch (RAA) with left aberrant subclavian artery (LASA) is a rare vascular variant due to the failure in regression process during embryologic development of the aortic arch. The prevalence of it ranges from 0.04% to 0.1% in radiology series. We report the case of a 44-year-old female shown to have the presence of a RAA with LASA arising from the Kommerell's diverticulum, and also in association with an aberrant aortic origin of the right vertebral artery using computed tomography angiography. Considering the diameter of the diverticulum <5 cm and the absence of severe external esophageal or tracheal compression, thoracic surgery was not indicated and it was decided to keep the patient under clinical follow-up at regular intervals. Based upon this present case and literature review, the knowledge of this anomalous anatomy and its embryologic basis appear to be important for diagnostic endovascular interventions and planning thoracic surgery.
右侧主动脉弓(RAA)伴左异常锁骨下动脉(LASA)是一种罕见的血管变异,原因是主动脉弓胚胎发育过程中的退行性过程失败。在放射学系列中,其患病率在0.04%-0.1%之间。我们报告了一例44岁的女性病例,该病例显示存在由Kommerell’s憩室引起的RAA伴LASA,并且通过计算机断层扫描血管造影术也与右椎动脉的异常主动脉起源有关。考虑到憩室直径<5 cm,且没有严重的食管或气管外压迫,因此不建议进行胸部手术,并决定定期对患者进行临床随访。根据目前的病例和文献综述,对这种异常解剖结构及其胚胎学基础的了解似乎对血管内介入诊断和胸外科手术的规划很重要。
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引用次数: 0
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Journal of the Anatomical Society of India
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