[Intrathoracic extra-bone marrow hematopoiesis. Apropos of a case with thalassemia intermedia].

The authors report the first case in Tunisia of intrathoracic extramedullary hematopoiesis concerning a 30-year old man with thalassemia intermedia. They insist on the value of 99 m Tc sulfur colloid marrow scan and computed tomography which avoid thoracotomy.