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Tricks and traps of ICG endoscopy for effectively applying endoscopic transsphenoidal surgery to pituitary adenoma.
Neurosurgical Review ( IF 2.5 ) Pub Date : 2020-09-05 , DOI: 10.1007/s10143-020-01382-4
Akihiro Inoue 1 , Shohei Kohno 1 , Takanori Ohnishi 2 , Naoya Nishida 3 , Satoshi Suehiro 1 , Yawara Nakamura 1 , Shirabe Matsumoto 1 , Masahiro Nishikawa 1 , Saya Ozaki 1 , Seiji Shigekawa 1 , Hideaki Watanabe 1 , Hidenori Senba 4 , Hironobu Nakaguchi 4 , Mashio Taniwaki 5 , Bunzo Matsuura 4 , Riko Kitazawa 5 , Takeharu Kunieda 1
Affiliation  

Differentiating tumor from normal pituitary gland is very important for achieving complete resection without complications in endoscopic endonasal transsphenoidal surgery (ETSS) for pituitary adenoma. To facilitate such surgery, we investigated the utility of indocyanine green (ICG) fluorescence endoscopy as a tool in ETSS. Twenty-four patients with pituitary adenoma were enrolled in the study and underwent ETSS using ICG endoscopy. After administering 12.5 mg of ICG twice an operation with an interval > 30 min, times from ICG administration to appearance of fluorescence on vital structures besides the tumor were measured. ICG endoscopy identified vital structures by the phasic appearance of fluorescent signals emitted at specific consecutive elapsed times. Elapsed times for internal carotid arteries did not differ according to tumor size. Conversely, as tumor size increased, elapsed times for normal pituitary gland were prolonged but those for the tumor were reduced. ICG endoscopy revealed a clear boundary between tumors and normal pituitary gland and enabled confirmation of no more tumor. ICG endoscopy could provide a useful tool for differentiating tumor from normal pituitary gland by evaluating elapsed times to fluorescence in each structure. This method enabled identification of the boundary between tumor and normal pituitary gland under conditions of a low-fluorescence background, resulting in complete tumor resection with ETSS. ICG endoscopy will contribute to improve the resection rate while preserving endocrinological functions in ETSS for pituitary adenoma.



中文翻译:

ICG内窥镜的技巧和陷阱有效地将内窥镜经蝶手术应用于垂体腺瘤。

区分肿瘤与正常垂体对于在垂体腺瘤的内窥镜鼻蝶内手术(ETSS)中实现完全切除而没有并发症非常重要。为了促进此类手术,我们研究了吲哚菁绿 (ICG) 荧光内窥镜作为 ETSS 工具的实用性。24 名垂体腺瘤患者参加了这项研究,并使用 ICG 内窥镜进行了 ETSS。每次手术给予 12.5 mg ICG 两次后,间隔 > 30 分钟,测量从给予 ICG 到除肿瘤外的重要结构出现荧光的时间。ICG 内窥镜通过特定连续经过时间发出的荧光信号的相位出现来识别重要结构。颈内动脉的经过时间不因肿瘤大小而异。相反,随着肿瘤大小的增加,正常垂体的时间延长,但肿瘤的时间减少。ICG 内窥镜检查显示肿瘤和正常垂体之间有清晰的界限,并能够确认不再有肿瘤。ICG 内窥镜检查可以通过评估每个结构中荧光的经过时间,为区分肿瘤与正常垂体提供有用的工具。该方法能够在低荧光背景条件下识别肿瘤和正常垂体之间的边界,从而使用 ETSS 实现完整的肿瘤切除。ICG 内镜将有助于提高切除率,同时保留垂体腺瘤 ETSS 的内分泌功能。正常垂体的时间延长,但肿瘤的时间减少。ICG 内窥镜检查显示肿瘤和正常垂体之间有清晰的界限,并能够确认不再有肿瘤。ICG 内窥镜检查可以通过评估每个结构中荧光的经过时间,为区分肿瘤与正常垂体提供有用的工具。该方法能够在低荧光背景条件下识别肿瘤和正常垂体之间的边界,从而使用 ETSS 实现完整的肿瘤切除。ICG 内镜将有助于提高切除率,同时保留垂体腺瘤 ETSS 的内分泌功能。正常垂体的时间延长,但肿瘤的时间减少。ICG 内窥镜检查显示肿瘤和正常垂体之间有清晰的界限,并能够确认不再有肿瘤。ICG 内窥镜检查可以通过评估每个结构中荧光的经过时间,为区分肿瘤与正常垂体提供有用的工具。该方法能够在低荧光背景条件下识别肿瘤和正常垂体之间的边界,从而使用 ETSS 实现完整的肿瘤切除。ICG 内镜将有助于提高切除率,同时保留垂体腺瘤 ETSS 的内分泌功能。ICG 内窥镜检查可以通过评估每个结构中荧光的经过时间,为区分肿瘤与正常垂体提供有用的工具。该方法能够在低荧光背景条件下识别肿瘤和正常垂体之间的边界,从而使用 ETSS 实现完整的肿瘤切除。ICG 内镜将有助于提高切除率,同时保留垂体腺瘤 ETSS 的内分泌功能。ICG 内窥镜检查可以通过评估每个结构中荧光的经过时间,为区分肿瘤与正常垂体提供有用的工具。该方法能够在低荧光背景条件下识别肿瘤和正常垂体之间的边界,从而使用 ETSS 实现完整的肿瘤切除。ICG 内镜将有助于提高切除率,同时保留垂体腺瘤 ETSS 的内分泌功能。

更新日期:2020-09-06
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