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Related Concept Videos

Thoracic Aorta01:15

Thoracic Aorta

551
The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
551
Abdominal Aorta01:25

Abdominal Aorta

872
Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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The Aorta01:14

The Aorta

930
The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
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Veins of Thorax01:19

Veins of Thorax

929
The azygos system is a crucial part of the body's circulatory system and drains most of the thorax. It comprises the azygos, hemiazygos, and accessory hemiazygos veins.
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
929
Flail Chest-I01:24

Flail Chest-I

217
Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
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Related Experiment Video

Updated: Jul 20, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

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Published on: March 28, 2025

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Left fourth and sixth costovertebral dislocation abutting the aorta.

Natalia Gorelik1, Dany Croteau2, Valérie Gorelik3

  • 1Department of Diagnostic Radiology, McGill University Health Center, 1001 Decarie Blvd, Quebec, H4A 3J1, Montreal, Canada. natalia.gorelik@mail.mcgill.ca.

Skeletal Radiology
|July 31, 2023
PubMed
Summary

Dislocations of costovertebral joints (CVJs) are rare, but this case shows anterior displacement of the fourth and sixth rib heads near the aorta. Conservative management was successful, suggesting it may be viable for similar rare CVJ injuries.

Keywords:
AortaCostovertebral jointDislocationSpineTrauma

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Area of Science:

  • Radiology
  • Trauma Surgery
  • Orthopedic Surgery

Background:

  • Costovertebral joint (CVJ) dislocations are rare complications of blunt thoracic trauma.
  • Typically, dislocations involve the first, eleventh, or twelfth ribs.

Observation:

  • A 36-year-old male sustained bilateral hemopneumothoraces, pneumomediastinum, pulmonary contusions, splenic injury, adrenal hematoma, retroperitoneal hematoma, Morel-Lavallée lesions, and pelvic fractures after being run over by a car.
  • The patient also experienced rare dislocations of the left fourth and sixth costovertebral joints with anterior displacement of rib heads, abutting the aorta.
  • An occult fracture of the fourth thoracic vertebral body was identified on subsequent CT scans.

Findings:

  • Conservative management of the anteriorly displaced costovertebral joint dislocations was implemented without short-term complications.
  • This approach contrasts with surgical recommendations for displaced sharp rib fractures near the aorta.

Implications:

  • This case highlights the importance of recognizing costovertebral joint injuries for thoracic spine stability.
  • Conservative management may be a viable option for certain rare costovertebral joint dislocations abutting the aorta.
  • Increased radiologist awareness of these injuries and their association with spinal trauma is crucial.