Inlet of thorax

A brief discussion with illustrations on thoracic inlet.The content is based upon B D Chaurasia's Human anatomy. This also describes its clinical significance.

1. Inlet of thorax Done by: Akshaya Nandhini S N 1 st year MBBS

2. Boundaries and dimensions This Photo by Unknown Author is licensed under CC BY-SA ANTERIORLY: Manubrium sterni POSTERORLY: T1 vertebra AT SIDES: 1 st rib 5cm 10 cm

3. 45 3.7 cm

4. Suprapleural membrane (inner border) (Transverse process of C7 spine) Flattened tendon of scalenus minimus Provides rigidity to thoracic inlet

5. Viscera , Large blood vessels , Small blood vessels , Nerves , Muscles Structures passing through thoracic inlet

6. Remains of thymus Viscera

7. Brachiocephalic Artery Large blood vessels

8. Clinical anatomy Cervical rib Thoracic inlet syndrome Paraesthesia of ulnar border of forearm

9. Coarctation of aorta leads to tortuous intercostal vessels