Canadian Medical Guide > Diseases > Neoplasms > Cysts > Mediastinal Cyst Terms and Definitions

Mediastinal Cyst

Medical Definition:	Cysts of one of the parts of the mediastinum: the superior part, containing the trachea, esophagus, thoracic duct and thymus organs; the inferior middle part, containing the pericardium; the inferior anterior part containing some lymph nodes; and the inferior posterior part, containing the thoracic duct and esophagus.
Guide Notes:	non-neoplastic; simple mediastinal cysts commonly adjacent to pericardium; note X refs: do not coord pericardial, thoracic, thymic or tracheal cysts with respective organs or organ/dis precoord: index only under MEDIASTINAL CYST
Also Called:	Pericardial Cyst,Thoracic Cyst,Thymic Cyst,Tracheal Cyst

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