一个同时患有乳腺瘤的患者的肺良性转移性乳腺瘤:一个诊断挑战
Tomoyuki Araya1, Toshiyuki Kita1, Takayuki Higashi1
1Respiratory Medicine, National Hospital Organization (NHO) Kanazawa Medical Center, Kanazawa, JPN.
Cureus
|December 12, 2025
概括
肺部良性转移性乳腺瘤 (PBML) 是一种罕见的肺部疾病. 区分PBML与癌症是具有挑战性的,但在PET扫描中低FDG吸收可以帮助诊断.
科学领域:
- 在瘤学瘤学.
- 病理学 病理学 病理学
- 放射学 放射学是一门学科.
背景情况:
- 肺部良性转移性乳腺瘤 (PBML) 是肺部罕见的光滑肌肉瘤.
- 将PBML与转移性恶性瘤区分开来,带来了临床挑战.
研究的目的:
- 为了突出区分PBML与转移性恶性瘤的诊断困难.
- 强调成像特征,如FDG吸收在诊断中的作用.
主要方法:
- 一个53岁的女性患有肺结节和乳腺损伤的案例介绍.
- 使用-18氧化葡萄糖正子发射断层扫描/计算机断层扫描 (FDG-PET/CT) 进行成像.
- 进行了乳腺损伤的切除活检和肺结节的视频辅助胸腔镜活检.
主要成果:
- 肺结节显示没有显著的FDG吸收,而乳腺病变有强烈的吸收.
- 乳腺活检显示了一个导管内乳头瘤.
- 肺活检证实了与PBML一致的良性光滑肌增殖 (对α-光滑肌动蛋白和ER阳性,低Ki-67指数).
结论:
- 同时出现的病变可能会使PBML的诊断复杂化.
- 在PBML中具有特征的低FDG吸收是关键的诊断线索.
- 识别PBML可以防止误诊和过度治疗.
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