Knowledge Base › Troubleshooting Atlas › Special stains
Reticulin fibres too faint
What it looks like
Reticulin fibres appear very faint or barely visible on the slide, making it difficult to assess tissue architecture.
Where it usually appears: Typically observed in liver, spleen, and bone marrow sections.
Likely causes
- Inadequate staining time
- Suboptimal reagent concentration
- Improper fixation of tissue
- Degraded reagents
- Incorrect pH of staining solution
Immediate checks
- Verify staining time against protocol
- Check reagent expiration dates
- Assess tissue fixation quality
Corrective action
- Increase staining time
- Prepare fresh staining solution
- Adjust reagent concentrations
Preventive action
- Regularly calibrate and maintain equipment
- Store reagents properly
- Follow SOP for tissue fixation
This atlas is for educational purposes for laboratory professionals. It does not replace your institutional SOPs, manufacturer instructions, validated protocols or pathologist judgment. Adapt any action to your laboratory and equipment.
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