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Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins
Published on: October 28, 2020
[The left superior intercostal vein (author's transl)]
Journal De Radiologie, D'Electrologie, Et De Medecine Nucleaire
|April 1, 1975
Summary
The left superior intercostal vein (LSIV) is a key anatomical structure in the mediastinum. Understanding its variations and potential for dilatation is crucial for diagnosing mediastinal masses and caval obstruction syndromes.
Area of Science:
- Thoracic anatomy
- Vascular radiology
Background:
- The left superior intercostal vein (LSIV) is a significant anatomical landmark within the mediastinum.
- Its anatomical course and variations are important for interpreting thoracic imaging.
Observation:
- The LSIV contributes to the aortic "nipple" and can undergo dilatation due to congenital factors or hemodynamic changes.
- Dilatation of the LSIV should be differentiated from mediastinal tumors.
Findings:
- The LSIV typically forms an anastomosis between the superior vena cava and the azygos vein, playing a role in collateral circulation for caval obstruction.
- Its transverse course predisposes it to involvement in anterior and posterior mediastinal syndromes.
Implications:
- Opacification of the LSIV is essential in the evaluation of mediastinal tumors.
- Assessing the LSIV is vital for pre-therapeutic evaluation of left upper lobe lesions due to its anatomical relationship.
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