Patient: Description of condition (onset, main symptoms, hospital visited, etc.): The onset was at birth, and the main symptom was a nasal swelling (double); CT examination showed that the bone was not continuous in the middle of the anterior skull base, and the nasal cavity and posterior nasal tract were filled with soft tissue shadows. There were no abnormalities in the size and morphology of the ventricles and brain pools, no abnormalities in the midline structures, no abnormalities in the inferior colliculus and brainstem, and no abnormalities in the size and morphology of the pituitary gland. There is no abnormality in the size and shape of the pituitary gland. There is symmetrical long T2 abnormal signal shadow next to the anterior and posterior horn of the ventricles bilaterally. The above mentioned is a one-month review report, and no cerebral white matter dysplasia was seen at the beginning. The nasal cavity is poorly ventilated, the mouth is propped open with a plastic syringe, the breath sounds in both lungs are clear, and there are no significant abnormalities in the tests. Is it possible to operate on a child who is 56 days old now? Is there a big risk of surgery? Are there any after-effects? What is the approximate cost of surgery? Specialist: The film shows that there is a defect at the base of the skull, and I wonder if there are new things bulging in the nasal cavity? It is recommended to do a nasal endoscopy. To make a clear diagnosis. Patient: Good, I also want to trouble the doctor like we go from out of town can quickly arrange to do surgery? How much does it cost me to prepare, my baby is too poor, I look every day even do not want to eat. Specialist: contact me when the rhinoscopy report comes out, I will take care of you and try to keep a bed for you. If everything goes well with the surgery, the cost will be about 15,000 or so.