J.Jpn. Surg. Soc.. 83(9): 907-911, 1982
Report on the annual meeting
AGGRESSIVE THERAPY FOR MALIGNANT TUMOR IN CHILDHOOD
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Pediatric Surgical Department, Chiba University School of Medicin Naomi Ohnuma, Hideyo Takahashi, Takao Etoh, Masahiro Tanabe, Mayumi Yamamoto, Masahiko Maie, Yonejiro Nagai, Yutaka Kuriyama |
Vascular invasion was classified into 3 grades.
v-0 without any invasion
v-1 with tumor cells observed in the capillaries of the kidney tissue
v-2 with tumor invasions in the venules of the porta renalis, that is the interlobar vein of the kidney. Seven cases of them were classified into v-0, 4 cases v-1, and 9 cases v-2.
The relationship between pulmonary metastases of Wilms' tumor and histological vascular invaion of them were discussed in 16 cases of Wilms' tumor which survived 2 years after operation. There was no pulmonary metastasis in 7 cases of grade v-0. Pulmonary metastases were found in 2 cases among 4 cases of grade v-1 and in 4 cases among 5 cases of grade v-2.
These 6 cases of pulmonary metastases of Wilms' tumor were treated with radiotherapy. All pulmonary metastases were disappeared by whole lung irradiation and small field irradiation. However, we had 2 cases of interstitial pneumonia after whole lung irradiation. These cases were treated with over 300μg/kg Actinomycine D before lung irradiation.
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