mediastinal mass
A tumor located in the central chest cavity, often presenting with respiratory symptoms and superior vena cava syndrome in pediatric patients.
Full Definition
A mediastinal mass refers to any abnormal growth within the mediastinum, the central compartment of the thoracic cavity. In pediatric oncology, common mediastinal masses include lymphoblastic lymphoma, Hodgkin lymphoma, and primary mediastinal B-cell lymphoma. These masses can cause significant morbidity due to compression of vital structures including the trachea, superior vena cava, and heart. Patients may present with superior vena cava syndrome, respiratory distress, dysphagia, or chest pain. Diagnosis requires careful consideration of anesthetic risks due to potential airway compromise, and tissue sampling may need to be performed under local anesthesia or with cardiopulmonary bypass standby.
Usage
Usage note: Requires careful anesthetic planning in pediatric patients due to potential for cardiovascular and respiratory compromise.
In Context
- "The patient presented with superior vena cava syndrome secondary to a large mediastinal mass." — Emergency department evaluation
- "Anesthesia consultation was obtained prior to biopsy of the mediastinal mass due to airway concerns." — Pre-operative planning