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Related Concept Videos

Confocal Fluorescence Microscopy01:16

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Related Experiment Video

Updated: Mar 15, 2026

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
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Reflectance Confocal Microscopy in Lentigo Maligna.

R Gamo1, A Pampín1, U Floristán1

  • 1Hospital Universitario Fundación de Alcorcón, Madrid, España.

Actas Dermo-Sifiliograficas
|September 12, 2016
PubMed
Summary
This summary is machine-generated.

Reflectance confocal microscopy aids in diagnosing facial lentigo maligna melanoma. This technique visualizes key features like disrupted patterns and atypical pagetoid cells, improving diagnostic accuracy for this common melanoma.

Keywords:
DermatoscopiaDermoscopyLentigo malignaLentigo malignoMicroscopio confocal de reflectanciaReflectance confocal microscopy

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Area of Science:

  • Dermatology
  • Oncology
  • Medical Imaging

Background:

  • Lentigo maligna is the most common facial melanoma.
  • Diagnosis is challenging due to overlapping features with other facial lesions.
  • Accurate diagnosis is crucial for effective treatment.

Purpose of the Study:

  • To evaluate the utility of reflectance confocal microscopy (RCM) in diagnosing lentigo maligna.
  • To identify characteristic RCM features of lentigo maligna.
  • To compare RCM findings with clinical and dermoscopic diagnoses.

Main Methods:

  • Retrospective analysis of RCM images from patients with confirmed lentigo maligna.
  • Identification and documentation of specific RCM features.
  • Comparison of RCM findings with histopathological diagnoses.

Main Results:

  • RCM visualized a disrupted honeycomb pattern in lentigo maligna.
  • Pagetoid cells, often folliculotropic, were identified.
  • Atypical cells at the dermal-epidermal junction and surrounding follicles were observed.
  • Features like junctional swelling and 'caput medusae' were noted.

Conclusions:

  • Reflectance confocal microscopy is a valuable non-invasive tool for diagnosing lentigo maligna.
  • Characteristic RCM features can differentiate lentigo maligna from other facial lesions.
  • RCM can improve diagnostic accuracy and potentially guide treatment decisions.