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Related Concept Videos

Skin Cancer01:30

Skin Cancer

Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Pigmentation01:19

Pigmentation

The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
Papillary Dermis01:11

Papillary Dermis

Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen and...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Reticular Dermis01:15

Reticular Dermis

The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...

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3D Whole-body skin imaging for automated melanoma detection.

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The long-term evolution of melanocytic nevi among high-risk adults.

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Related Experiment Video

Updated: Jul 8, 2026

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
09:37

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

Published on: August 18, 2022

Complex dermoscopic pattern: a potential risk marker for melanoma.

J B Lipoff1, A Scope, S W Dusza

  • 1Dermatology Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10022, U.S.A.

The British Journal of Dermatology
|January 22, 2008
PubMed
Summary
This summary is machine-generated.

Dermoscopic patterns, particularly a complex global pattern with network and globules, are linked to increased melanoma risk. This suggests dermoscopy offers a more precise melanoma risk assessment than clinical evaluation alone.

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A 3D Organotypic Melanoma Spheroid Skin Model
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A 3D Organotypic Melanoma Spheroid Skin Model

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Last Updated: Jul 8, 2026

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
09:37

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

Published on: August 18, 2022

A 3D Organotypic Melanoma Spheroid Skin Model
08:49

A 3D Organotypic Melanoma Spheroid Skin Model

Published on: May 18, 2018

Area of Science:

  • Dermatology
  • Oncology
  • Medical Imaging

Background:

  • Dysplastic nevi are established melanoma risk factors, but risk estimates vary.
  • Dermoscopy enables detailed classification of nevi based on global patterns.

Purpose of the Study:

  • To evaluate dermoscopic images of nevi in melanoma patients and controls.
  • To identify dermoscopic patterns associated with melanoma risk.

Main Methods:

  • Dermoscopic images of 187 nevi from 20 melanoma patients and 150 nevi from 20 controls were analyzed.
  • Complex global pattern defined as network and globules, with or without structureless areas.

Main Results:

  • Complex global dermoscopic pattern was more frequent in melanoma patients (OR 2.9, P=0.003).
  • Globules were more frequent in patients (OR 2.3, P=0.0001), while dots were inversely associated with melanoma (OR 0.5, P=0.002).

Conclusions:

  • Dermoscopic patterns may be more robust and specific melanoma risk markers than clinical nevus phenotype.
  • Pilot data indicate potential for improved melanoma risk stratification using dermoscopy.