Molekulaarbioloogia praksi kontrolltöö vastused
generally has a good prognosis. Rarely, children may have severe watery diarrhea due to
the secretion of vasoactive intestinal peptide by the tumor.
Diagnoosiks:
1) An unequivocal pathologic diagnosis made from tumor tissue by light microscopy
(with or without immunohistology, electron microscopy, or increased levels of
serum catecholamines or urinary catecholamine metabolites); or 2) The
combination of bone marrow aspirate or trephine biopsy containing unequivocal
tumor cells (e.g., syncytia or immunocytologically-positive clumps of cells) and
increased levels of serum catecholamines or urinary catecholamine metabolites as
described above.
The prognosis for patients with neuroblastoma is related to their age at diagnosis, clinical
stage of disease, and (in patients older than 1 year) regional lymph node
involvement. Other conventional prognostic variables include the site of the
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