Related Experiment Videos
Macrophages in prostatic fluid
Abstract:
Non-specific esterase staining has been found useful in the detection of macrophages in prostatic fluid (PF). In the early stage of acute prostatitis most of the leucocytes in a smear of PF took up the stain, suggesting the dominant participation of macrophages in the inflammatory area in this stage of the disease. In chronic prostatitis, only a few leucocytes took up the stain. In female acute cystitis, none of the large numbers of leucocytes exhibited staining at any stage of the disease. The reason for this is still to be determined. Frozen sections of prostatic tissue from patients with chronic prostatitis revealed similar cells around the acini and these appeared to be the source of the macrophages which appeared in the PF.
Insights
Non-specific esterase staining aids in identifying macrophages in prostatic fluid (PF). This technique reveals macrophage dominance in acute prostatitis but not in chronic prostatitis or female cystitis, indicating distinct inflammatory responses.
Area of Science:
- Urology
- Immunohistochemistry
- Inflammatory Diseases
Background:
- Macrophages play a role in prostatic inflammation.
- Non-specific esterase (NSE) staining is a known method for identifying macrophages.
- Prostatic fluid (PF) analysis can provide insights into prostate health.
Purpose of the Study:
- To evaluate the utility of non-specific esterase staining in detecting macrophages in prostatic fluid (PF).
- To differentiate between acute and chronic prostatitis based on macrophage presence in PF.
- To investigate the source of macrophages found in prostatic fluid.
Main Methods:
- Smears of prostatic fluid (PF) from patients with acute prostatitis, chronic prostatitis, and female acute cystitis were stained for non-specific esterase.
- Frozen sections of prostatic tissue from patients with chronic prostatitis were examined.
- Leukocyte staining patterns were analyzed to identify macrophages.
Main Results:
- In acute prostatitis, most leukocytes in PF smears stained positive for non-specific esterase, indicating significant macrophage presence.
- In chronic prostatitis, only a few leukocytes in PF stained positive.
- No leukocytes in PF from female acute cystitis cases showed positive staining.
- Similar esterase-positive cells were observed in prostatic tissue sections around acini in chronic prostatitis patients, suggesting their origin.
Conclusions:
- Non-specific esterase staining is a valuable tool for detecting macrophages in prostatic fluid, particularly in acute prostatitis.
- The presence and intensity of macrophage staining in PF may help distinguish between acute and chronic prostatitis.
- Macrophages in prostatic fluid likely originate from esterase-positive cells in the prostatic tissue itself.