Abdominal depression is navicular

Introduction When lying on the back, the anterior abdominal wall is significantly lower than the horizontal plane of the rib to the pubic bone. It is called abdominal retraction. The whole abdominal depression refers to the diffuse and obvious concave in the anterior abdominal wall. When the condition is serious, the anterior abdominal wall is almost close to the spine. The rib arch, ankle and pubic symphysis are abnormally revealed, and the whole abdomen is shaped like a boat, which is called a boat-like abdomen.

Cause

Such abdominal shape is more common in chronic wasting diseases, severe dehydration and the like. Common in cachexia such as advanced stages of chronic wasting disease, malignant tumors, etc. and dehydration. Local depression is mainly seen in the scar contraction of the abdominal wall after surgery. When the patient is changed from the lying position to the standing position or increasing the abdominal pressure, the depression becomes more obvious.

an examination

Related inspection

Laparoscopic abdominal CT

Symptoms: The anterior abdominal wall is significantly lower than the horizontal plane of the rib to the pubic bone when lying supine, and the abdominal wall is obviously sunken, so that the anterior abdominal wall is close to the spine, and the rib arch, iliac crest and pubic symphysis are obviously exposed, like a canoe.

Differential diagnosis

diagnosis:

1. The local depression is mainly seen in the scar contraction of the abdominal wall after the operation. When the patient changes from the lying position to the standing position or increases the abdominal pressure, the depression becomes more obvious.

2. The anterior abdominal wall is significantly lower than the horizontal plane of the rib to the pubic bone when lying on the back, and the abdominal wall is obviously sunken, so that the anterior abdominal wall is close to the spine, and the rib arch, the iliac crest and the pubic symphysis are obviously exposed, and the shape is like a canoe.

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