Key result
Complete surgical resection of a newborn RV teratoma successfully resolves severe outflow tract obstruction.
Case Report (n=1)
No
Complete surgical resection is an effective and safe treatment for right ventricular cardiac teratoma causing severe outflow tract obstruction in newborns.
Neonatal RV teratoma may cause dynamic obstruction requiring urgent evaluation; single case leaves open optimal management strategies.
A newborn was referred to our department for severe cyanosis with cardiac systolic murmur.Echocardiography revealed in the right ventricle a 12-mm tumor with the typical aspects of a teratoma.The base of the tumor was implanted in the right ventricle apex and was composed of cysts of various sizes that were separated by solid areas.The sessile portion of the tumor invaginated during systole into the pulmonary artery trunk, causing severe obstruction (Fig-ure 1 and Movies I through III of the Data Supplement).Complete surgical resection was performed without complication.Histological examination confirmed the presumptive imaging diagnosis of cardiac teratoma, revealing extensive foci of necrosis, stratified squamous epithelium, salivary glandular tissue, and mature respiratory epithelium (Figure 2).The child remains free of symptoms and tumor 7 months after surgery.From Service de Cardiologie Pédiatrique, Hôpital Necker-Enfants Malades, AP-HP (P.O., V.D., D.S., D.B.), and
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Ou et al. (2006) conducted a case report in Cardiac teratoma with right ventricular outflow tract obstruction (n=1). Complete surgical resection was evaluated on Symptom resolution and tumor recurrence. Complete surgical resection of a 12-mm right ventricular cardiac teratoma in a newborn successfully relieved severe outflow tract obstruction, with the patient remaining symptom-free at 7 months.
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