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Table 1 Patient characteristics (n = 56)

From: Ruptured mediastinal mature teratoma causing severe mediastinitis: report of a surgically resected case and a literature review

Variable Category n (%)
Sex Men 21 (38%)
  Women 28 (50%)
  Unknown 7 (12%)
Median age (years) (range)   24 (3–58)
Presenting symptoms (duplicated) Chest pain 35 (63%)
Dyspnea 21 (38%)
Cough 12 (18%)
Fever 12 (18%)
Duration from onset to treatment  < 1 week 13 (23%)
1–4 weeks 10 (18%)
4 weeks to 6 months 9 (16%)
6 months or longer 8 (14%)
Unknown 16 (29%)
Treatment Surgery by thoracotomy or median sternotomy 40 (71%)
Video-assisted thoracic surgery 5 (9%)
Surgical approach (details unknown) 10 (18%)
Drainage alone 1 (2%)
Histological type Mature teratoma 54 (96%)
Immature teratoma 1 (2%)
Germ cell tumors with somatic-type solid malignancy 1 (2%)
Prognosis Survived 44 (79%)
Died 3 (5%)
Unknown 9 (16%)
Extramediastinal location of tumor rupture (duplicated) Lung 16 (29%)
Thoracic cavity 15 (27%)
Pericardial sac 7 (13%)
Unknown 9 (16%)