Research Article

Hepatocellular Carcinoma in the Pediatric Population: A Population Based Clinical Outcomes Study Involving 257 Patients from the Surveillance, Epidemiology, and End Result (SEER) Database (1973–2011)

Table 6

Treatment and survival outcomes of fibrolamellar and nonfibrolamellar hepatocellular carcinoma for 63,514 adults and 257 pediatric patients from the Surveillance, Epidemiology, and End Results (SEER) database, 1973–2011.

TotalPediatricsAdults value
fHCCNon-fHCCfHCCNon-fHCCfHCCNon-fHCC

(%)274 (0.4%)63,497 (99.6%)62 (24.1%)195 (75.9%)212 (0.3%)63,302 (99.7%)
Treatment, (%)
 No treatment121 (45.1%)45,437 (74.7%)19 (30.6%)99 (52.9%)102 (49.5%)45,338 (74.7%)<0.001
 Surgery only133 (49.6%)12,636 (20.8%)41 (66.1%)80 (42.8%)92 (44.7%)12,556 (20.7%)<0.001
 Radiation only7 (2.6%)2,452 (4.0%)2 (3.2%)6 (3.2%)5 (2.4%)2446 (4.0%)<0.001
 Both surgery and radiation7 (2.6%)323 (0.5%)0 (0.0%)2 (1.1%)7 (3.4%)321 (0.5%)<0.001
Mean overall survival, (years ± SD)9.110 ± 1.2046.424 ± 0.8666.016 ± 06532.657 ± 0.072<0.001
Overall mortality, (%)
 Alive93 (33.9%)11,445 (18.0%)32 (51.6%)56 (28.7%)61 (28.8%)11,389 (18.0%)<0.001
 Dead181 (66.1%)52,052 (82.0%)30 (48.4%)139 (71.3%)151 (71.2%)51,913 (82.0%)<0.001
Cancer specific mortality, (%)
 Alive93 (33.9%)11,445 (18.0%)32 (51.6%)56 (28.7%)61 (28.8%)11,389 (18.0%)<0.001
 Cancer death154 (56.2%)39,845 (62.8%)30 (48.4%)126 (64.6%)124 (58.5%)39,719 (62.7%)<0.001
 Noncancer death27 (9.9%)12,207 (19.2%)0 (0.0%)13 (7.7%)27 (12.7%)12,194 (19.3%)<0.001

fHCC = fibrolamellar hepatocellular carcinoma; = number; NS = not statistically significant with value > 0.05; SD = standard deviation; data presented for patients with available information only.