Benign Mature Teratoma in Anterior Mediastinum

Benign Mature Teratoma in Anterior Mediastinum

Teratoma of mediastinum is rare germ cell tumor. Anterior mediastinum is the most common extragonadal site. Benign mediastinal teratoma accounts for 60% of all mediastinal germ cell tumors. Benign mature teratoma has excellent prognosis after surgical excision. We present a case of 20-year-old woman diagnosed as benign mature teratoma which compressed main pulmonary trunk. The patient underwent...

Adenocarcinoma (somatic-type malignancy) in mature teratoma of anterior mediastinum.

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...

[Mature teratoma of the anterior mediastinum: a case report].

Mature teratomas are the most common type of mediastinal germ cell tumors. They typically occur in young adults (15 to 35 years) and 95% of these teratomas occur in the anterior mediastinum. Herein, we report a case of a huge mediastinal teratoma in a 16-year-old boy who presented with a history of chest pain, cough, exertional dyspnea, and fever. Chest X-ray and spiral computed tomography (CT)...

Mature cystic teratoma in the posterior mediastinum.

From the Divisions of *Pathology and †Surgery, Japan Self-Defense Forces Hospital Yokosuka, Yokosuka; the Departments of ‡Pathology and Laboratory Medicine and §Thoracic Surgery, National Defense Medical College, Tokorozawa; and the ¶Department of Surgery, Japan Self-Defense Forces Central Hospital, Tokyo, Japan M ediastinal tumours tend to occur in particular subregions (superior, anterior, mi...

Retroperitoneal benign mature teratoma.