Mediastinal Tumors Flashcards
Mediastinal division by
Shield-
Anterior thymus int thoracic vessels and ln
Middle - hrt hr vesels td azyhos
and posterior - symp chain
Adults mc
Child mc
Child neurogenic > neuroblastoma
adults thymoma
Men1 aw mediastinal tumour
Thymic carcinoid
Who clasfication typec is-mediastinum
Thymic carcinoma
Masaoka kaga staging surgical
1- complete encapsulated
2- limited microscopic (a)or macro (b)but not thru pleura or pericard
3- macro into pericard gv lung a nd b with or without gv involvement
4- a pleural or pericard dissemination
B- lymphogenous or hematogenous
How many thumoma has paraneoplastic synd
40%
Myasthenia gravis
Seen in 30-50% of thymoma
Thymoma causes 10% of mg
Pure red cell aplasis
5% of thymomas
Of rcell aplasia pts 30-50% has thymoma
Good syndrome
Hypogamaglobulinemia - 5- 10% of thymoma
Most imp prognostic factor in thymoma
R0 resection
Mc thymoc ca
Scc
Mesothelioma virus aw
Simian virus 40