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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...
Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...
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...
Introduction to the Integumentary System01:25

Introduction to the Integumentary System

The integumentary system is the organ system that comprises the skin and its associated structures. It is the largest system in the human body and plays a crucial role in protecting and maintaining homeostasis. The integumentary system serves several functions including protection, regulation, sensation, and secretion.
The skin, which is the primary organ of the integumentary system, consists of three main layers: the epidermis, dermis, and hypodermis (subcutaneous tissue). The epidermis is the...
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...
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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Related Experiment Video

Updated: Jun 22, 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

Dermatology for the general surgeon.

Sarah Kerr1, Jacob M Kusmak, Erik J Stratman

  • 1Department of Dermatology, Marshfield Clinic, Marshfield, WI 54449, USA.

The Surgical Clinics of North America
|May 26, 2009
PubMed
Summary

Preparing patients with existing skin disease for surgery presents unique challenges. Surgeons must manage various skin concerns throughout the entire surgical process, from before to after the operation.

Area of Science:

  • Dermatology
  • Surgical Patient Management

Background:

  • Patients with preexisting skin disease require special consideration before undergoing surgical procedures.
  • Skin conditions can complicate all phases of surgical care, including preoperative, perioperative, and postoperative periods.

Purpose of the Study:

  • To review the challenges and concerns associated with surgical patient preparation when skin disease is present.
  • To synthesize the best available evidence regarding the management of skin-related issues in surgical patients.

Main Methods:

  • A comprehensive literature review was conducted.
  • Evidence was gathered and analyzed to address preoperative, perioperative, and postoperative skin concerns.

Main Results:

  • Surgical procedures frequently involve interaction with the skin.

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Apparatus for Harvesting Tissue Microcolumns
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Apparatus for Harvesting Tissue Microcolumns

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Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
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Skin Biopsy for Diagnosing Discoid Lupus Erythematosus

Published on: June 10, 2025

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Last Updated: Jun 22, 2026

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

Apparatus for Harvesting Tissue Microcolumns
06:06

Apparatus for Harvesting Tissue Microcolumns

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Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
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Skin Biopsy for Diagnosing Discoid Lupus Erythematosus

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  • Surgeons commonly encounter skin-related problems and conditions in patients with preexisting dermatological issues.

    • Conclusions:

    • Managing patients with skin disease undergoing surgery requires careful attention to potential skin complications.
    • Addressing these skin concerns proactively can improve surgical outcomes and patient safety.