Abstract:
:This is a case report of an 18-year-old man with central diabetes incipidus (DI). An MRI done three months after the onset of the DI did not disclose a responsible lesion. Four months later, a second MRI showed the location of the tumor origin at the upper pituitary stalk and median eminence. Eight months later, the tumor occupied the hypothalamic area. The tumor became large and contrast-making enough to be visible on MRI between 3 and 4 months after the onst of DI. Besides the suprasellar tumor, another mass was noted in the pineal region. The growth pattern of the latter mass corresponded well to that of the former. Although the MRI is a sensitive diagnostic tool for the detection of intracranial tumors, no adequate rationale has been given as to how the MRI might be repeated for children and adolescents who have been diagnosed as having the central DI, when their initial MRIs may have been normal. In our patient, the superconductive thin slice MRI revealed the suprasellar germinoma 4 months after the onset. The suprasellar and pineal tumors in this report originated and developed simultaneously. This may indicate a multi-center origin of the tumor. Another possibility is a very early dissemination from the onset of the tumor development.
journal_name
Endocr Jjournal_title
Endocrine journalauthors
Saeki N,Uchida D,Tatsuno I,Saito Y,Yamaura Adoi
10.1507/endocrj.46.263subject
Has Abstractpub_date
1999-04-01 00:00:00pages
263-7issue
2eissn
0918-8959issn
1348-4540journal_volume
46pub_type
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