A case of posterior urethral valve diagnosed by ultrasound in antenatal and pathology: A case report.

RATIONALE: Posterior urethral valve is a rare disease, prenatal diagnosis and prognosis evaluation are particularly important.

PATIENT CONCERNS: A 25-year-old pregnant woman was found enhanced parenchymal echo in both kidneys, subcapsule urinary cyst formation in both kidneys, bladder enlargement of the fetus during prenatal ultrasonography at 25 W + 4 of gestation. It was accompanied by fetal pericardial effusion and oligohydramnios.

DIAGNOSES: Fetal posterior urethral valve.

INTERVENTIONS: After detailed prenatal evaluation, labor was induced and fetal autopsy was performed.

OUTCOMES: Fetal autopsy pathology confirmed the prenatal judgment.

LESSONS: Prenatal ultrasonography can diagnose posterior urethral valve through typical image manifestations and can make a certain judgment for prognosis evaluation.