Deep sulcus sign
Deep Sulcus Sign
The Deep Sulcus Sign (pronunciation: /di:p ˈsʌlkəs saɪn/) is a radiological sign often observed in pneumothorax, specifically supine pneumothorax. It is characterized by an abnormally deep and sharp costophrenic angle, which is the angle between the diaphragm and the chest wall.
Etymology
The term "Deep Sulcus Sign" is derived from the Latin words 'deep' meaning profound and 'sulcus' meaning groove or furrow. The 'sign' in medical terminology often refers to an observable indication of a disease or disorder.
Clinical Significance
The Deep Sulcus Sign is a crucial diagnostic tool in the detection of pneumothorax, a condition where air accumulates in the pleural space, causing a lung to collapse. This sign is particularly useful in cases where the patient is in a supine position, as the air tends to accumulate anteriorly and basally, creating a deep costophrenic sulcus.
Related Terms
- Pneumothorax: A condition characterized by the presence of air or gas in the cavity between the lungs and the chest wall, causing collapse of the lung.
- Costophrenic Angle: The angle where the diaphragm and chest wall meet, visible on a chest X-ray.
- Supine Position: A position in which the patient lies flat on their back, face upwards.
- Pleural Space: The potential space between the two pleura (visceral and parietal) of the lungs.
See Also
External links
- Medical encyclopedia article on Deep sulcus sign
- Wikipedia's article - Deep sulcus sign
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