Gamuts
Wide superior mediastinum in an infant or child
May Be Caused by
Common
Acute mediastinitis
Aortic arch anomaly
Aortic dilatation
Bleeding tendency
Bronchogenic duplication cyst
Cushing syndrome
Enteric duplication cyst
Esophageal dilatation
Fat deposition
Hydatid cyst
Leukemia
Lipomatosis
Lymphadenopathy
Lymphoma
Mediastinal abscess
Mediastinal cyst
Mixed germ cell tumor
Neurenteric duplication cyst
Neuroblastoma
Obesity
Post-treatment thymic rebound
Right aortic arch
Steroid medication
Teratoma
Thymic cyst
Thymic hyperplasia
Thymoma
Traumatic hemorrhage
Uncommon
Anomalous left superior vena cava
Arteriovenous fistulas
Cervical aorta
Dilated azygos vein
High aortic arch
Intrathoracic goiter
Lymphangioma
Pseudocoarctation
Superior vena cava syndrome
Thyroid carcinoma
Thyroiditis
Total anomalous pulmonary venous return
Zenker diverticulum