Conclusion
Not all is about tuberculosis in sub-Saharan Africa. We describe an
original report of a giant mature cyst teratoma that required excision
with left lung decortication in a young female Congolese after she has
been treated twice as having pulmonary tuberculosis. This is the first
documented case in the region. Diagnosis is difficult via non-invasive
procedure but clinicians should bear it in mind as a differential
diagnosis to avoid delaying surgery.