Journal of pediatric surgery · 2015
Mortality and morbidity in primarily resected hepatoblastomas in Japan: Experience of the JPLT (Japanese Study Group for Pediatric Liver Tumor) trials.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Hiyama Eiso, Hishiki Tomoro, Watanabe Kenichiro, Ida Kohmei, Yano Michihiro, Oue Takaharu, Iehara Tomoko, Hoshino Ken, Koh Katsuyoshi, Tanaka Yukichi, Kurihara Sho, Ueda Yuka, Onitake Yoshiyuki
Аннотация
BACKGROUND: In the Japanese Study Group for Pediatric Liver Tumor (JPLT) protocols (JPLT-1 and 2) for evaluating the cure rate of risk-stratified hepatoblastoma, primary resection was permitted in PRETEXT I and II cases, followed by postoperative chemotherapy.
METHODS: In approximately 500 enrolled cases, resection was performed as the initial treatment in 60 cases, including all 18 PRETEXT I, 30 PRETEXT II, and 12 ruptured cases. The clinical features, surgical procedures, complications, and survival rates were compared in these three groups.
RESULTS: All 18 PRETEXT I cases underwent complete resection by lobectomy or segmentectomy (n=14) or nonanatomical partial hepatectomy (NPH) (n=4). The 30 PRETEXT II cases underwent primary resection by right or left lobectomy (n=16), NPH (n=10), or other procedures (n=4). Of these 30 cases, operational death occurred in 1 newborn, and recurrence occurred in 7 cases (14.6%), including 6 NPH cases and 4 older cases (aged >3years). Of the 12 ruptured cases, 7 (58.3%) showed recurrence. Event-free survival rates at 5years in the 3 groups were 88%, 70%, and 32%, respectively.
CONCLUSIONS: Primary resection for PRETEXT I or II HB cases should be performed by anatomical resection according to strict surgical guidelines. More intensified chemotherapy is required for primary resected cases whose tumors have ruptured.
METHODS: In approximately 500 enrolled cases, resection was performed as the initial treatment in 60 cases, including all 18 PRETEXT I, 30 PRETEXT II, and 12 ruptured cases. The clinical features, surgical procedures, complications, and survival rates were compared in these three groups.
RESULTS: All 18 PRETEXT I cases underwent complete resection by lobectomy or segmentectomy (n=14) or nonanatomical partial hepatectomy (NPH) (n=4). The 30 PRETEXT II cases underwent primary resection by right or left lobectomy (n=16), NPH (n=10), or other procedures (n=4). Of these 30 cases, operational death occurred in 1 newborn, and recurrence occurred in 7 cases (14.6%), including 6 NPH cases and 4 older cases (aged >3years). Of the 12 ruptured cases, 7 (58.3%) showed recurrence. Event-free survival rates at 5years in the 3 groups were 88%, 70%, and 32%, respectively.
CONCLUSIONS: Primary resection for PRETEXT I or II HB cases should be performed by anatomical resection according to strict surgical guidelines. More intensified chemotherapy is required for primary resected cases whose tumors have ruptured.