Dong Ik Kim

Radioiodinated fatty acid esters in the management of hepatocellular carcinoma: preliminary findings

SummaryRadioiodinated fatty acid esters, such as lipiodol or ethiodol, are localized in the hypervascular hepatocellular carcinoma (HCC) for a long time following intra-arterial hepatic injection, enabling delivery of high internal radiation to the tumor. The desired radiation can easily be delivered to small HCC, less than 5 cm in diameter, in single or multiple procedures with an 8-week interval. For larger tumors, [131I]lipiodol or [131I]ethiodol in conjunction with chemotherapy emulsion, Ivalon embolization or all three combinations should be considered for maximal clinical results. A strong beta emitter with shorter physical half-life, i.e.90Y will be more effective in the management of HCC if one can label lipiodol with90Y.

A Malignant Mixed Germ Cell Tumor Originating from the Pituitary Gland with a Suprasellar Extension: A Case Report

A case of an intracranial tumor in a 26-year old woman with symptoms of hypopituitarism, and visual disturbance is presented. The primary site has been verified by the clinical presentations and the hormonal and the neurological studies as originating from the pituitary gland with extension to the suprasellar area. Histologically, the tumor contains elements that demand its interpretation as a malignant teratoma. In a tumor marker study, the aFP level was elevated, suggestive of an endodermal sinus tumor component. We report this case as a mixed germ cell tumor originating from the pituitary gland with a suprasellar extension and a malignant transformation from a benign component.