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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...
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...
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Accessory Structures of the Skin: Sebaceous Glands01:21

Accessory Structures of the Skin: Sebaceous Glands

A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...

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Related Experiment Video

Updated: Jun 13, 2026

Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
05:44

Skin Biopsy for Diagnosing Discoid Lupus Erythematosus

Published on: June 10, 2025

Diagnosing common skin eruptions.

T Enta

    Canadian Family Physician Medecin De Famille Canadien
    |May 15, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Diagnosing skin eruptions requires careful examination because the skin responds to insults in limited ways. Accurate diagnosis is essential for effective treatment of various skin conditions.

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    Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
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    Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus

    Published on: May 16, 2025

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    Last Updated: Jun 13, 2026

    Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
    05:44

    Skin Biopsy for Diagnosing Discoid Lupus Erythematosus

    Published on: June 10, 2025

    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

    Area of Science:

    • Dermatology
    • Pathology

    Background:

    • The skin exhibits a limited repertoire of responses to diverse insults.
    • Accurate etiologic diagnosis of skin eruptions is crucial for successful treatment outcomes.

    Purpose of the Study:

    • To highlight the diagnostic challenges in identifying the cause of skin eruptions.
    • To discuss differential features of commonly observed skin eruptions.

    Main Methods:

    • Review of clinical presentations of various skin eruptions.
    • Discussion of diagnostic criteria and differential diagnoses.

    Main Results:

    • Skin reactions are often non-specific, necessitating thorough evaluation.
    • Differential diagnosis relies on careful observation of eruption characteristics.

    Conclusions:

    • Effective management of skin eruptions hinges on precise etiologic diagnosis.
    • Understanding differential features aids clinicians in identifying specific causes.