Endocrine Abstracts

Context: The determination of human chorionic gonadotropin (hCG) in cerebrospinal fluid (CSF) is useful for the differential diagnosis of suprasellar lesions. However, the concentrations that prove diagnostic for neurohypophyseal germinoma have not been well defined. In addition, the immunoassays used for such determination are the same as those applied in serum, and few studies have been performed regarding the validation of such techniques in CSF.Objec...