Abstract:
:Neuroblastomas originating from different sites might have different clinical and biological characteristics. In the present study, the clinical (age, sex and stage) and biological (N-myc amplification, Shimada pathology and levels of lactate dehydrogenase, ferritin and neuron-specific enolase) characteristics of patients with newly diagnosed neuroblastoma were compared according to the site of tumor origin (extra-abdominal versus abdominal). The event-free survival rate (EFS) was also compared between the two groups. Among 143 neuroblastomas, 115 tumors originated from the abdomen, 26 from extra-abdominal sites and 2 from unknown primary sites. Frequencies of stage 4 tumor and N-myc amplified tumor were lower in the extra-abdominal group than in the abdominal group (34.6% vs. 60.0%, P=0.019 and 4.2% vs. 45.0%, P<0.001, respectively). Levels of lactate dehydrogenase, ferritin and neuron-specific enolase were significantly lower in the extra-abdominal group than in the abdominal group. The probability of 5-yr EFS (+/-95% confidence interval) was higher in the extra-abdominal group than in the abdominal group (94.4+/-10.6% vs. 69.4+/-9.4%, P=0.026). Taken together, neuroblastomas originating from extra-abdominal sites might be associated with more favorable clinical and biological characteristics and a better outcome than neuroblastomas originating from abdomen.
journal_name
J Korean Med Scijournal_title
Journal of Korean medical scienceauthors
Sung KW,Yoo KH,Koo HH,Kim JY,Cho EJ,Seo YL,Kim J,Lee SKdoi
10.3346/jkms.2009.24.3.461subject
Has Abstractpub_date
2009-06-01 00:00:00pages
461-7issue
3eissn
1011-8934issn
1598-6357journal_volume
24pub_type
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