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首页> 外文期刊>Breast Cancer >Two cases of occult breast cancer in which PET-CT was helpful in identifying primary tumors
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Two cases of occult breast cancer in which PET-CT was helpful in identifying primary tumors

机译：两例隐匿性乳腺癌，其中PET-CT有助于鉴别原发性肿瘤

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摘要

We report two cases of occult breast cancer in which masses were completely nonpalpable and positron emission tomography-computed tomography (PET-CT) was extremely helpful in identifying the primary tumor. Case 1 involved a 56-year-old woman with enlarged lymph nodes 3 cm in size in the axilla. Based on excisional biopsy, axillary lymph node metastasis of breast cancer was suspected but an obvious primary tumor in the breast was not identifiable on mammography, contrast-enhanced CT, or ultrasonography. Faint accumulation of fluorodeoxyglucose (FDG) was noted only on PET-CT, so the site was considered to be the primary site, and operation was performed. As a result of postoperative pathological examination, ductal carcinoma in-situ (DCIS) was diagnosed. Case 2 involved a 55-year-old woman with enlarged lymph nodes 3 cm in size in the axilla. Based on the excisional biopsy, axillary lymph node metastasis of breast cancer was suspected. In this case as well, an obvious primary tumor was not identifiable with palpation or mammography. On PET-CT, faint accumulation of FDG was noted in the vicinity of the CD regions, or upper and lower outer quadrants. When contrast-enhanced CT and ultrasonography were performed, a faint nodular opacity less than 1 cm in size corresponding to this site was found and diagnosed as the primary site, operation was subsequently performed. Pathologic diagnosis indicated invasive cancer. PET-CT is a helpful option for the diagnosis of occult breast cancer with primary sites that conventional imaging studies have difficulty identifying.
机译：我们报告了两例隐匿性乳腺癌，其中肿块完全无法触及，正电子发射断层扫描计算机断层扫描（PET-CT）在鉴别原发性肿瘤方面非常有帮助。病例1涉及一名56岁的女性，腋窝淋巴结肿大3厘米。根据切除活检，怀疑有乳腺癌的腋窝淋巴结转移，但在乳腺X线摄影，增强CT或超声检查中无法确定明显的乳腺原发肿瘤。仅在PET-CT上发现了氟脱氧葡萄糖（FDG）的微弱积聚，因此将该部位视为主要部位，并进行了手术。术后病理检查的结果，诊断为原位导管癌（DCIS）。案例2涉及一名55岁的女性，腋窝淋巴结肿大3厘米。根据切除活检，怀疑是乳腺癌的腋窝淋巴结转移。同样在这种情况下，通过触诊或乳房X线照相术也无法识别出明显的原发肿瘤。在PET-CT上，在CD区域或上，下外象限附近发现了FDG的微弱堆积。当进行对比增强CT和超声检查时，发现与该部位相对应的大小不超过1 cm的微弱结节不透明并被诊断为主要部位，随后进行了手术。病理诊断表明为浸润性癌。 PET-CT对于隐匿性乳腺癌的诊断具有传统成像研究难以识别的主要部位，是一种有用的选择。

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  • 来源
    《Breast Cancer》 |2008年第2期|181-184|共4页
  • 作者

    Daisuke Takabatake; Naruto Taira; Kenjiro Aogi; Shozo Ohsumi; Shigemitsu Takashima; Takeshi Inoue; Rieko Nishimura;

  • 作者单位

    Department of Breast Oncology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Breast Oncology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Breast Oncology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Breast Oncology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Breast Oncology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Radiology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

    Department of Pathology National Hospital Organization National Shikoku Cancer Center 160 Ko Minamiumemoto Matsuyama Ehime 791-0280 Japan;

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  • 正文语种 eng
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  • 关键词

    PET; Occult cancer; Breast cancer;

    机译：PET;隐匿性癌症;乳腺癌;

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