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Updated: Mar 14, 2026

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
Published on: August 18, 2022
The Role of Reflectance Confocal Microscopy in Clinical Trials for Tumor Monitoring
Josep Malvehy Guilera1, Alicia Barreiro Capurro1, Cristina Carrera Alvárez1
1Melanoma Unit, Department of Dermatology Hospital Clínic de Barcelona, IDIBAPS, Barcelona University, Carrer Villarroel 170, Barcelona 08036, Spain; Centre of Biomedical Research on Rare Diseases (CIBERER), ISCIII, Barcelona 08036, Spain.
Abstract:
Reflectance confocal microscopy (RCM) allows the evaluation with superb accuracy of some skin tumors before, during, and after treatment. In clinical trials RCM has been shown to provide useful information for evaluation of efficacy of topical or systemic medication. With the recent introduction of handheld RCM a fast examination of the tumor can be done in minutes. In patients treated with surgery RCM plays a unique role to precisely map margins of the tumor in the skin surface and for the detection of subclinical recurrences. This article reviews the use of RCM in the research of different skin cancer tumor treatments.
Insights
Reflectance confocal microscopy (RCM) offers accurate skin tumor assessment before, during, and after treatment. This technology aids in evaluating treatment efficacy and surgical margin mapping for better skin cancer management.
Area of Science:
- Dermatology
- Oncology
- Medical Imaging
Background:
- Reflectance confocal microscopy (RCM) provides high-accuracy in vivo imaging of skin tumors.
- Clinical trials demonstrate RCM's utility in assessing treatment efficacy for skin cancers.
- Handheld RCM devices enable rapid, in-office tumor examinations.
Purpose of the Study:
- To review the applications of RCM in the research of skin cancer treatments.
- To highlight RCM's role in evaluating treatment response and surgical outcomes.
Main Methods:
- Review of existing clinical trial data and research studies utilizing RCM for skin cancer.
- Analysis of RCM's capabilities in pre-treatment assessment, monitoring during treatment, and post-treatment evaluation.
- Focus on RCM's role in surgical margin assessment and recurrence detection.
Main Results:
- RCM accurately evaluates skin tumors before, during, and after various treatments.
- RCM provides crucial data on the efficacy of topical and systemic medications.
- RCM precisely maps surgical margins and detects subclinical recurrences, improving patient management.
Conclusions:
- Reflectance confocal microscopy is a valuable tool in skin cancer research and clinical practice.
- RCM enhances treatment efficacy assessment and surgical precision for skin tumors.
- The integration of RCM improves the management of skin cancer patients through accurate tumor evaluation.

