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n. pl. me·di·as·ti·na (-nə)
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.

[New Latin mediastīnum, from neuter of Medieval Latin mediastīnus, medial, middle, from Latin, servant employed on general tasks (Medieval Latin anatomical sense probably influenced by Latin intestīnum, intestine), from medius, middle; see medhyo- in Indo-European roots.]

me′di·as·ti′nal (-nəl) adj.


a. mediastínico-a, rel. al mediastino;
___ emphysemaenfisema ___.


adj mediastínico
References in periodicals archive ?
Surgical or radiological drainage of pulmonary abscess, mediastinal abscess, or empyema may be recommended if present.
(5) When preoperative imaging ensures that mediastinal vasculature is uninjured by an extra-esophageal foreign body, a minimally invasive approach to mediastinal abscess and FB extraction is safe and feasible.
Then, septic shock induced by mediastinal abscess or pericardial tamponade was considered.
Cystic lesions in mediastinum may be clinically diagnosed as mediastinal abscess, benign teratomatous cyst, and true mediastinal cyst.
The diagnosis of perforated esophageal foreign body complicated by mediastinal abscess and aortic pseudoaneurysm resulting in massive hemothorax was made.
On day 13, a repeat radiological examination showed that the leakage, cervical inflammation, and mediastinal abscess had regressed.
Complications such as esophageal perforation, esophageal fistula, mediastinal abscess, and pneumomediastinum rarely occur (1-3).
A large anterior mediastinal abscess was apparent with an associated large empyema in the right chest.
Table 1: Classification of mediastinal mass lesions Anterior mediastinal Number Middle mediastinal Number mass lesions of cases mass lesions of cases Thymic mass 9 Tubercular adenopathy 2 Germ cell tumor 2 Metastatic adenopathy 2 lymphoma Vascular malformation 2 Lymphoma 1 Thyroid mass 2 Aortic aneurysm 2 Tubercular adenopathy 4 -- -- Metastatic adenopathy 2 -- -- Lymphoma 3 -- -- Mediastinal abscess 1 -- -- Total 25 Total 7 Posterior mediastinal mass Number lesions of cases Esophageal carcinoma 7 Esophageal duplication cyst 1 Tubercular paravertebral abscess 3 Neurogenic tumor 4 Extramedullary hematopoiesis 2 Descending aortic aneurysm 1 -- -- -- -- Total 18 Figure 1: Age- and gender-wise distribution of patients of mediastinal mass.