Pyloric Stenosis – Ultrasound
History: 3 week old baby boy with vomiting. This is a classic case of pyloric stenosis, which is defined as idiopathic hypertrophy of the muscle that makes up the sphincter between the stomach and the first part of the duodenum, called the pylorus. Diagnostic features of pyloric stenosis on ultrasound includes a single wall thickness […]
Pneumoperitoneum – Rigler Sign
History: 75 year old man with abdominal pain, nausea and vomiting. This is the typical appearance of a Rigler Sign, also known as a bas relief sign, which has its origin in sculpture. Look again at the image above. Notice surgical skin staples over the right lower quadrant of the abdomen. The patient was recently […]
Small Bowel Obstruction
History: 48 year old man presents with diffuse abdominal pain, nausea and vomiting. This patient was found to have a distal small bowel obstruction secondary to an incarcerated right femoral hernia.