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Related Concept Videos

Accessory Structures of the Skin: Nails01:05

Accessory Structures of the Skin: Nails

Nails are one of the important accessory structures of the skin. They are hard, protective structures that cover the dorsal surface of the distal phalanges of fingers and toes. Nails are composed of specialized keratinized cells and serve various functions, including protection, sensation, and manual dexterity.
The main components of a nail include the following.
Nail Plate: The nail plate is the visible portion of the nail that extends beyond the fingertips or toes. It is a hard, translucent...
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...

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Related Experiment Video

Updated: Jun 13, 2026

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
05:39

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus

Published on: May 16, 2025

[Dermoscopy in nail psoriasis].

Débora Cadore de Farias1, Antonella Tosti, Nilton Di Chiacchio

  • 1Clínica de dermatologia, Santa Casa de São Paulo, São Paulo, SP, Brasil. decadorefarias@hotmail.com <decadorefarias@hotmail.com>

Anais Brasileiros De Dermatologia
|May 14, 2010
PubMed
Summary

Dermoscopy aids in diagnosing nail psoriasis by revealing characteristic features. This study details the findings observed using this non-invasive imaging technique for nail psoriasis assessment.

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Measuring Psoriasis Severity at Home
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SCAnED - An Open-source Skin Segmentation Macro for Semi-automated Cell and Nuclei Detection in Epidermal and Dermal Skin Compartments
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SCAnED - An Open-source Skin Segmentation Macro for Semi-automated Cell and Nuclei Detection in Epidermal and Dermal Skin Compartments

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Related Experiment Videos

Last Updated: Jun 13, 2026

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
05:39

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus

Published on: May 16, 2025

Measuring Psoriasis Severity at Home
02:28

Measuring Psoriasis Severity at Home

Published on: March 1, 2024

SCAnED - An Open-source Skin Segmentation Macro for Semi-automated Cell and Nuclei Detection in Epidermal and Dermal Skin Compartments
06:34

SCAnED - An Open-source Skin Segmentation Macro for Semi-automated Cell and Nuclei Detection in Epidermal and Dermal Skin Compartments

Published on: August 8, 2025

Area of Science:

  • Dermatology
  • Oncology
  • Pathology

Context:

  • Nail psoriasis presents diagnostic challenges.
  • Early and accurate diagnosis is crucial for effective management.
  • Dermoscopy offers a non-invasive method for evaluating nail changes.

Purpose:

  • To describe the utility of dermoscopy in diagnosing nail psoriasis.
  • To document the specific dermoscopic findings in nail psoriasis.
  • To evaluate dermoscopy as a diagnostic tool for nail psoriasis.

Summary:

  • Dermoscopy allows for detailed visualization of nail structures.
  • Characteristic dermoscopic features were identified in nail psoriasis.
  • Findings include specific patterns of vascularity, scales, and nail plate abnormalities.

Impact:

  • Dermoscopy can improve the diagnostic accuracy of nail psoriasis.
  • It may help differentiate nail psoriasis from other nail disorders.
  • Enhanced diagnostic capabilities can lead to timely treatment initiation.