Patient's question:
Main symptoms: 1235 Onset time: October 5, 2009 Test results: Accumulation 0.9 and 1.1Doctor's answer:
Hello, during pregnancy, various intracranial developmental abnormalities can be detected through ultrasound examinations, including open neural tube defects such as spina bifida, as well as intracranial structural abnormalities like hydrocephalus, schizencephaly, congenital agenesis of the corpus callosum, and intracranial space-occupying lesions. Congenital hydrocephalus appears to be relatively common in clinical ultrasound reports because many intracranial developmental abnormalities can manifest as signs of hydrocephalus. Hydrocephalus refers to the excessive accumulation of cerebrospinal fluid in the ventricular system, leading to ventricular dilation and increased pressure. During ultrasound examinations, it is characterized by widened ventricles. Generally, a ventricular width of 1.5 centimeters in the lateral ventricle triangle is considered ventricular enlargement, and the severity is proportionate to the degree of widening. If the triangle is 1.2 to 1.4 centimeters wide and the choroid plexus occupies more than 50% of the ventricle, it is generally considered normal. However, if the choroid plexus is reduced and appears suspended, it is indicative of hydrocephalus.There are many causes of hydrocephalus, including excessive cerebrospinal fluid production, absorption disorders, or obstruction of the mesencephalic aqueduct. Certain conditions such as intracranial hemorrhage or infections can also lead to hydrocephalus as sequelae, and hydrocephalus can occur at any stage of pregnancy. Therefore, even if brain development appears normal in the second trimester, hydrocephalus may develop in the third trimester. Thus, prenatal ultrasound examinations are essential.
Additionally, some conditions may be mistakenly mistaken for hydrocephalus. Experienced ultrasound technicians will compare relevant factors to make a well-founded diagnosis. Mild abnormalities detected during pregnancy can be confirmed through dynamic observation. I hope the above information is helpful to you. It is still advisable to continue monitoring the specific situation. Wishing you a healthy little baby.