Skin Scraping
Skin Scraping - Related Videos
05:36
Human Skin Keratinocyte Isolation: A Method to Culture Primary Keratinocytes from Skin Samples
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2023
This video describes the isolation of keratinocytes—the most prominent cells of human skin's epidermal layer, by employing a combination of enzymatic digestion and mechanical disruption methods. This method helps in the preferential growth of keratinocytes over other skin cell types using a selective growth medium.
05:44
Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
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Cited by 2 •
2025
Skin lesions are common and important features in many rheumatic diseases, and biopsy with pathological analysis plays a critical role in diagnosis. This article provides a detailed overview of the standardized skin biopsy procedure and, using discoid lupus erythematosus as an example, highlights the essential role of dermatopathology in diagnosing rheumatic diseases.
04:07
Generation of Organotypic Full Skin Reconstructs: A Procedure to Establish 3D Skin Model Using Human Skin Samples
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2023
This video describes the detailed protocol for generating in vitro 3D organotypic skin reconstructs to study melanoma progression. This skin model mimics both the architecture and multicellular complexity of organs in vivo.
04:28
Warm Moxibustion and Scraping as a Traditional Chinese Medicine Therapy for Cervical Spondylosis Treatment
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2025
This article describes the clinical protocol for warm moxibustion and scraping therapy.
06:42
Murine Skin Transplantation
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Cited by 36 •
2008
Allogeneic skin transplantation is a standard model to assay host T cell responses to MHC-disparate donor antigens. This video-article provides a visual tutorial of each step involved in performing a BALB/c-->C57BL/6 skin transplant.
FAQs
Potassium hydroxide is used to treat part of the collected sample before microscopy. It dissolves keratin in the specimen, allowing the prepared material to be examined for organisms. This step is especially relevant when investigating suspected fungal involvement and complements direct examination of untreated material from the affected area.
Direct microscopy examines collected material without the potassium hydroxide preparation, whereas the treated approach first dissolves keratin. Both are laboratory examination routes for material removed from a lesion, but they use different sample preparation conditions. Either approach can support investigation of organisms such as fungi and mites in cutaneous disease.
It connects visible changes at the skin surface with laboratory findings and host responses. Material from scales, crusts, or lesions may help investigate infectious causes, including dermatophyte infections and scabies, while observed tissue changes provide context for inflammatory disease. This combination supports interpretation of cutaneous conditions at both organism and host-response levels.
Sampling focuses on an affected area rather than unaffected skin. The collected material may include superficial scales, crusts, or material from a lesion, depending on the cutaneous finding being investigated. Choosing representative surface material matters because the specimen is intended for direct microscopy, potassium hydroxide preparation, or other laboratory testing.
A sterile blade or curette is used to gently remove superficial material from the affected area. The collected specimen is then directed toward microscopic or laboratory examination, either directly or after potassium hydroxide treatment. This workflow combines minimally invasive collection with a preparation choice suited to examining skin material for fungi, mites, or other relevant findings.
Skin scraping can support treatment decisions and epidemiological assessment after a cutaneous condition has been investigated. In infection-focused work, findings may help document dermatophyte infection, scabies, or other cutaneous disease and relate those observations to visible tissue changes. Its low cost and rapid nature also make it useful when practical diagnostic information is needed.