A mediastinal Mullerian cyst was initially reported as a new category of congenital cyst by Hattori, et al. in 2005. We treated a 53-year-old female referred to us with a posterior mediastinal tumor found at the Th5 prevertebral level by chest-computed tomography during a medical check-up. She had a history of mediastinal teratoma, which was removed at the age of 35. Chest magnetic resonance im...

Presented herein is a case of mediastinal mature teratoma with adenocarcinomatous transformation predominantly composed of mucinous adenocarcinoma in a 25-year-old man. Disease progressed despite application of surgical removal, adjuvant radio- and chemotherapy. Further immunohistochemical stains indicated a gastrointestinal origin of the tumor. Consequently chemotherapy according to the FOLFIR...

A young man aged 22 years presented with shortness of breath, left sided chest pain, mild dry cough, peripheral cyanosis, fever and generalized weakness for three years. He was diagnosed as having a large infected cystic mediastinal mass with tricuspid regurgitation and severe pulmonary hypertension. On thoracotomy, one litre of pus was aspirated and tumour was excised and sent for histopatholo...

Mature teratoma is a common anterior mediastinal tumour. However, occurrence of transformed malignant component within it is very rare. We report a case of a 32-year-old female presenting with dry cough and chest pain. Contrast-enhanced computed tomography (CT) showed a large thin-walled cystic lesion measuring 11.4 cm x 10.6 cm x 10.0 cm in the anterior mediastinum. Right postero-lateral thora...