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Employing Digital Droplet PCR to Detect BRAF V600E Mutations in Formalin-fixed Paraffin-embedded Reference Standard Cell Lines
Published on: October 8, 2015
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Confocal microscopy characterization of BRAFV600E mutated melanomas
Cristel Ruini1, Marco Manfredini, Giovanni Pellacani
1Departments of aDermatology bClinical and Diagnostic Medicine and Public Health, University of Modena and Reggio Emilia, Modena, Italy cDepartment of Dermatology, Ludwig Maximilian University of Munich, Munich, Germany.
Melanoma Research
|July 3, 2015
Summary
This study shows that confocal microscopy can identify regression patterns in BRAFV600E mutated melanomas. This technique aids in preliminary screening and characterization of these specific melanoma subtypes.
Area of Science:
- Dermatology
- Oncology
- Medical Imaging
Background:
- Molecular signatures, such as BRAFV600E mutations, are crucial for classifying melanoma subtypes.
- Targeted therapies are advancing the treatment of metastatic melanoma.
- Noninvasive diagnostic tools like dermoscopy and confocal microscopy may reveal morphological patterns corresponding to genetic mutations.
Purpose of the Study:
- To investigate the in vivo morphological patterns of BRAFV600E mutated melanomas using dermoscopy and confocal microscopy.
- To determine if confocal microscopy can detect and quantify regression in BRAFV600E mutated melanomas.
Main Methods:
- Analysis of eight BRAFV600E mutated melanomas (six primary, two metastatic) and matched wild-type controls.
- Utilized dermoscopy and confocal microscopy for in vivo imaging.
- Performed semiquantitative analysis of regression by counting melanophages.
Main Results:
- Regression, characterized by dermal fibrosis and melanophages, was the predominant pattern in BRAFV600E mutated melanomas.
- Confocal microscopy detected regression even when dermoscopy showed no peppering.
- Confocal microscopy enabled semiquantitative grading of regression via melanophage counts.
Conclusions:
- Confocal microscopy is a valuable tool for the preliminary screening and characterization of BRAFV600E mutated melanomas.
- This technique offers new insights for patient screening and follow-up strategies.
- Morphological patterns detected by confocal microscopy correlate with specific melanoma genetic mutations.
