Liposarcoma in the epidural space.

STUDY DESIGN: A patient with myxoid liposarcoma in the lumbar epidural space is reported. OBJECTIVE: The subject was treated with marginal resection and posterior instrumentation. SUMMARY OF THE BACKGROUND DATA: Liposarcoma is a malignant tumor of the soft tissues. It is commonly seen in the thigh. Lumbar extradural space is an unusual localization. Two cases have been reported with this localization in the literature. METHODS: The authors have treated a female patient with myxoid liposarcoma in lumbar extradural space with marginal resection and posterior instrumentation. RESULTS: The histopathologic examination showed myxoid liposarcoma. Two cases have been reported in the literature. CONCLUSION: Myxoid liposarcoma is a malignant tumor of the soft tissues. The extradural tumor was probably originated from the epidural fat tissue. Although wide resection is advised in the thigh localization, extradural localization of the tumor can be treated with marginal resection if there is no invasion to the surrounding tissue.

Mature teratoma of the lateral ventricle: report of two cases.

In this paper, two cases with mature teratoma of the lateral ventricle are presented. Teratomas are rare intracranial tumours and the most common location is in the midline pineal region. Lateral ventricle as the site of location is very rare. Between the years 1975 and 1996, 120 cases were operated on for lateral ventricle tumours at the University of Ankara, Department of Neurosurgery, and only two cases (% 1.6) were histologically identified as mature teratomas. It is generally accepted that benign teratomas are radioresistant and total removal of these tumours results in cure. If mature teratoma of the lateral ventricle is totally removed, as done in our cases, the prognosis is usually good.