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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Yamagiwa H, Matsuzaki O, Ishihara A, Yoshimura H

Gastroenterol Jpn. 1978;13(4):272-80. doi: 10.1007/BF02774050.

Seventy cases of the leiomyogenic tumors were found in 5451 resected stomachs; 49 leiomyoma, 17 leiomyosarcoma and 4 leiomyoblastoma. These leiomyogenic tumors occupied 40.5% of 173 submucosal tumors of the stomach. 2. The average age was 51.7 in leiomyoma, 57.3 in leiomyosarcoma and 41.6 in leiomyoblastoma with male predominance. 3. The leiomyoma and leimyosarcoma were frequently found in the upper 2/3 of the stomach. 4. The size of the tumors was within 3 cm in diameter in about 80% of leiomyoma with ulcer formation of 10.2% and over 3 cm in about 88% of leiomyosarcoma with ulcer formation of 64.7%. 5. The classification of the leiomyogenic tumors into the benign and malignant was occationally difficult. For the diagnosis of the leiomyosarcoma, the number of mitosis, irregularity of nucleus, increase of cellularity and decrease of smooth muscle production were helpful.

在5451例切除的胃标本中发现70例平滑肌源性肿瘤；49例平滑肌瘤，17例平滑肌肉瘤和4例成平滑肌瘤。这些平滑肌源性肿瘤占胃黏膜下肿瘤173例的40.5%。2. 平滑肌瘤患者的平均年龄为51.7岁，平滑肌肉瘤患者为57.3岁，成平滑肌瘤患者为41.6岁，男性居多。3. 平滑肌瘤和平滑肌肉瘤多见于胃的上2/3。4. 约80%的平滑肌瘤直径在3 cm以内，溃疡形成率为10.2%；约88%的平滑肌肉瘤直径超过3 cm，溃疡形成率为64.7%。5. 将平滑肌源性肿瘤区分为良性和恶性有时存在困难。对于平滑肌肉瘤的诊断，有丝分裂数、细胞核不规则、细胞增多及平滑肌成分减少等特征具有参考价值。

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Yamagiwa H, Matsuzaki O, Ishihara A, Yoshimura H

Gastroenterol Jpn. 1978;13(4):272-80. doi: 10.1007/BF02774050.

Seventy cases of the leiomyogenic tumors were found in 5451 resected stomachs; 49 leiomyoma, 17 leiomyosarcoma and 4 leiomyoblastoma. These leiomyogenic tumors occupied 40.5% of 173 submucosal tumors of the stomach. 2. The average age was 51.7 in leiomyoma, 57.3 in leiomyosarcoma and 41.6 in leiomyoblastoma with male predominance. 3. The leiomyoma and leimyosarcoma were frequently found in the upper 2/3 of the stomach. 4. The size of the tumors was within 3 cm in diameter in about 80% of leiomyoma with ulcer formation of 10.2% and over 3 cm in about 88% of leiomyosarcoma with ulcer formation of 64.7%. 5. The classification of the leiomyogenic tumors into the benign and malignant was occationally difficult. For the diagnosis of the leiomyosarcoma, the number of mitosis, irregularity of nucleus, increase of cellularity and decrease of smooth muscle production were helpful.

在5451例切除的胃标本中发现70例平滑肌源性肿瘤；49例平滑肌瘤，17例平滑肌肉瘤和4例成平滑肌瘤。这些平滑肌源性肿瘤占胃黏膜下肿瘤173例的40.5%。2. 平滑肌瘤患者的平均年龄为51.7岁，平滑肌肉瘤患者为57.3岁，成平滑肌瘤患者为41.6岁，男性居多。3. 平滑肌瘤和平滑肌肉瘤多见于胃的上2/3。4. 约80%的平滑肌瘤直径在3 cm以内，溃疡形成率为10.2%；约88%的平滑肌肉瘤直径超过3 cm，溃疡形成率为64.7%。5. 将平滑肌源性肿瘤区分为良性和恶性有时存在困难。对于平滑肌肉瘤的诊断，有丝分裂数、细胞核不规则、细胞增多及平滑肌成分减少等特征具有参考价值。