期刊
APPLIED SCIENCES-BASEL
卷 11, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/app11051979
关键词
skin cancer; in vivo confocal microscopy; ex vivo confocal microscopy; melanoma; basal cell carcinoma
Confocal laser scanning microscopy (CLSM) is a valuable tool in clinical settings, providing a quasi-histologic view of tissues without the need for biopsy. It has shown to improve diagnostic accuracy of skin cancers and contribute to reducing unnecessary excisions, as well as improving margin recognition for tissue sparing in excisions. Further studies using CLSM in real-life settings could enhance our understanding of its applications.
Confocal laser scanning microscopy (CLSM) has been introduced in clinical settings as a tool enabling a quasi-histologic view of a given tissue, without performing a biopsy. It has been applied to many fields of medicine mainly to the skin and to the analysis of skin cancers for both in vivo and ex vivo CLSM. In vivo CLSM involves reflectance mode, which is based on refractive index of cell structures serving as endogenous chromophores, reaching a depth of exploration of 200 mu m. It has been proven to increase the diagnostic accuracy of skin cancers, both melanoma and non-melanoma. While histopathologic examination is the gold standard for diagnosis, in vivo CLSM alone and in addition to dermoscopy, contributes to the reduction of the number of excised lesions to exclude a melanoma, and to improve margin recognition in lentigo maligna, enabling tissue sparing for excisions. Ex vivo CLSM can be performed in reflectance and fluorescent mode. Fluorescence confocal microscopy is applied for real-time pathological examination of freshly excised specimens for diagnostic purposes and for the evaluation of margin clearance after excision in Mohs surgery. Further prospective interventional studies using CLSM might contribute to increase the knowledge about its application, reproducing real-life settings.
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