Soft Tissue Infection
Soft Tissue Infection - Related Videos
03:16
Processing of Infected Tissues for Bacterial Enumeration in a Mouse Co-Infection Model
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2026
Source: Lenhard, A., et al. A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness. J. Vis. Exp. (2022)This video demonstrates the processing of lungs from a mouse co-infected with a pathogenic bacterium and a virus. Mincing, homogenizing, and plating the lung tissue allows quantification of bacterial load, indicating bacterial spread to the lungs and disease severity.
12:08
Ex Vivo Infection of Live Tissue with Oncolytic Viruses
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Cited by 22 •
2011
Oncolytic viruses are promising for cancer therapeutics. The ability to ascertain the infectability of live tissue specimens obtained from patients prior to treatment is a unique advantage of this therapeutic approach. This protocol describes how to process tissues for ex vivo infection with oncolytic virus and subsequent viral quantification.
01:45
Visualization of Amino Acid Metabolites in Intestinal Tissues of Infected Mice
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2026
Source: Specker, J. T., et al. Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection. J. Vis. Exp. (2022)This video demonstrates the use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to visualize amino acid distribution in intestinal tissues from mice infected with Clostridioides difficile, alone or in combination with Enterococcus faecalis. The procedure involves tissue...
05:23
Preparation of Mouse Bladder Tissue for Visualization of Bacterial Infection
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2026
Source: O'Brien, V. P., et. al., Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice. J. Vis. Exp. (2020)This video demonstrates the use of scanning electron microscopy to visualize bacterial colonization and host–pathogen interactions in the bladder epithelium of a pre-infected mouse model.
03:45
Quantification of Inflammatory Mediators in Infected Human Tissue-Derived Cells
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2025
This video demonstrates the quantification of inflammatory mediators during infection by incubating human lung-tissue-derived immune cells with Haemophilus influenzae. Flow cytometry is used to measure cytokine fluorescence in labeled lymphocytes, correlating with the production of pro-inflammatory cytokines in response to bacterial infection.
FAQs
The visible signs arise from both microbial growth and the host response. As microorganisms multiply in tissue, immune activity produces redness, warmth, swelling, and pain; localized pus may also develop. These findings therefore reflect an interaction between invading organisms and inflammation, rather than simply the presence of organisms alone. Their pattern helps clinicians judge local disease activity.
Anatomic depth matters because infection can extend beyond the skin and subcutaneous tissue into fascia or muscle. Involvement of deeper structures can increase the threat to tissue integrity and overall health, while rapidly spreading necrotizing disease signals a particularly urgent pattern. Determining how far the process has reached helps guide the intensity and urgency of management.
These presentations differ in the pattern and urgency of tissue involvement. Cellulitis reflects a localized inflammatory presentation, whereas an abscess is associated with pus. Necrotizing disease can spread rapidly and threaten deeper structures. Distinguishing among these patterns matters because the clinical form helps determine whether care should emphasize antimicrobial treatment, drainage, or urgent surgery.
Evaluation must establish the infection's anatomic extent and severity. Clinicians use that assessment to decide whether the situation calls for wound care, antimicrobial treatment, imaging, drainage, or urgent surgery. This approach links clinical assessment to underlying risk: a process that threatens deeper structures requires different management from one that remains limited.
Treatment choices depend on what the assessment shows about location and seriousness. Wound care and antimicrobials may be part of management, while drainage may be used for abscesses and urgent surgery may be needed when deeper or rapidly destructive disease is a concern. Matching intervention to extent helps address the infection and threatened tissue.
Timely recognition and treatment are important because untreated progression can destroy tissue, enter the bloodstream, and compromise overall health. Management aims to prevent deeper structural injury and other serious complications, not merely to address visible local changes. Rapidly spreading or anatomically extensive disease therefore requires particular urgency in medical decision-making.