What is the football sign in radiology?

In summary, the football sign, seen at supine abdominal radiography, refers to a large oval radiolucency that represents a large amount of pneumoperitoneum in the shape of an American football. The ovoid appearance is the acknowledged hallmark of the football sign.

What pathology is commonly diagnosed if the football sign is seen?

The football sign is seen in cases of massive pneumoperitoneum, where the abdominal cavity is outlined by gas from a perforated viscus. The median umbilical ligament and falciform ligament are sometimes included in the description of this sign, as representing the sutures.

What is cupola in diaphragm?

The cupola sign is seen on a supine chest or abdominal radiograph in the presence of pneumoperitoneum. It refers to non-dependent gas that rises within the abdominal cavity of the supine patient to accumulate underneath the central tendon of the diaphragm in the midline.

How do you sign football in ASL?

To sign football, first open both hands and spread all fingers apart. Then bring your hands together by interlocking all fingers, and disengage them afterward. Repeat this lock-unlock sequence a couple of times in front of your body. Think of the players’ lines of football as they clash into their competitors.

What causes free air in abdomen?

The presence of free intra-abdominal gas usually indicates a perforated abdominal viscus. The most common cause is perforation of a peptic ulcer. Patients with such conditions need urgent surgery.

What is free gas in abdomen?

Free gas, or pneumoperitoneum, is gas or air trapped within the peritoneal cavity, but outside the lumen of the bowel. Pneumoperitoneum can be due to bowel perforation, or due to insufflation of gas (CO2 or air) during laparoscopy.

What is Pseudopneumoperitoneum?

Pseudopneumoperitoneum describes any gas within the abdominal cavity that masquerades as free intraperitoneal gas or pneumoperitoneum when it is in fact contained within an organ.

What does free intraperitoneal air mean?