CT スキャンニングによる腹部腫瘍特に,神経芽細胞腫とウイルムス腫瘍の鑑別

概要

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Neuroblastoma and Wilms' tumor are representative malignant abdominal tumors in Japan. In this paper, we studied the differetiation of 12 tumors (7: neuroblastoma, 4: Wilms' tumor and 1: pheochromocytoma); mostly of abdomen, by CT scanning. The results were as follows: 1. The 3 abdominal neuroblastomas originating from the adrenal gland were found to the central abdominal cavity, whereas, the 3 Wilms' tumors were found to grow outward laterally. 2. Tumor density was less remarkable in Wilms' tumor than in neuroblastoma. However, fine calcifications were observed in the high density area in neuroblastoma. 3. By contrast enhancement, neuroblastoma could be identified from the kidney, while Wilms' tumor unidentified. However, the displaced or deformed renal pelvis and/or calyces were characteristic in Wilms' tumor. 4. Hepatic metastases of neuroblastoma was visualized with a characteristic mosaic pattern by contrast enhancement. 5. In 50% of the cases in our study, CT scanning gives more information for diagnosing tumors than the usual X-ray methods previously used. In conclusion, we recommend CT scanning as a useful method for differential diagnosis of neuroblastoma and Wilms' tumor, especially for the original tumor.
日本小児外科学会の論文
1980-04-20