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Frontal view of the abdomen with double bubble sign, patient was found to have duodenal atresia. In radiology, the double bubble sign is a feature of pediatric imaging seen on radiographs or prenatal ultrasound in which two air filled bubbles are seen in the abdomen, representing two discontiguous loops of bowel in a proximal, or 'high,' small bowel obstruction.
Duodenal atresia; Radiograph of abdomen with double-bubble sign from duodenal atresia: Specialty: Pediatric gastroenterology, Pediatric surgery: Symptoms: Antenatal period: polyhydramnios Neonatal period: bilious or non-bilious vomiting within first 36 hours of life, abdominal distension, lack of stooling
Double bubble sign; ... Double duct sign; Double posterior cruciate ligament sign; Double track sign; ... Target sign (Ultrasound) Teacup calcification (breast) ...
Pneumoperitoneum is pneumatosis (abnormal presence of air or other gas) in the peritoneal cavity, a potential space within the abdominal cavity.The most common cause is a perforated abdominal organ, generally from a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal trauma.
Echogenicity (sometimes as echogenecity) or echogeneity is the ability to bounce an echo, e.g. return the signal in medical ultrasound examinations. In other words, echogenicity is higher when the surface bouncing the sound echo reflects increased sound waves.
Mumoli's sign (also known as a "Playboy Rabbit" sign) is a radiologic sign seen in the normal liver. It appears as a rabbit-shaped image caused by the confluence of the middle and right hepatic veins as they merge with the inferior vena cava. It can be seen on ultrasound images of the liver with a transverse subcostal view during deep inspiration.
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Abdominal radiography can show the classic sign of the "double bubble": the presence of air in the stomach and duodenum. [5] [6] Unfortunately, this double-bubble sign is not pathognomonic for annular pancreas, as it can also be observed in other conditions, such as duodenal atresia [7] and intestinal malrotation. [8]