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Benign and neoplastic eosinophilic staining cells: an immunofluorescence study
The British Journal of Dermatology
|February 1, 1980
Summary
Immunofluorescence detected serum factors on benign eosinophilic cells in inflammatory skin conditions but not on malignant cells. This suggests distinct immunofluorescence patterns differentiate inflammatory from cancerous dermatoses.
Area of Science:
- Dermatology
- Immunopathology
- Cell Biology
Background:
- Eosinophilic cells play a role in various skin conditions.
- Immunofluorescence microscopy is a key technique for visualizing immune deposits in tissues.
- Distinguishing between inflammatory and neoplastic dermatoses is crucial for diagnosis and treatment.
Purpose of the Study:
- To investigate the deposition of immunoglobulins, complement, and fibrinogen on eosinophilic cells.
- To differentiate between serum factor deposition in benign inflammatory versus malignant skin conditions using immunofluorescence.
Main Methods:
- Direct immunofluorescence microscopy was employed.
- Eosinophilic cells in pityriasis lichenoides et varioliformis acuta, sunburn erythema, lichen planus, Bowen's disease, and squamous cell carcinoma were examined.
- Deposition of serum factors (immunoglobulins, complement, fibrinogen) was assessed qualitatively.
Main Results:
- Serum factor deposition was observed on benign epidermal eosinophilic cells in pityriasis lichenoides et varioliformis acuta and sunburn erythema.
- Deposition was also noted on subepidermal hyaline bodies in lichen planus.
- No serum factor deposition was detected on neoplastic eosinophilic cells in Bowen's disease and squamous cell carcinoma.
Conclusions:
- Immunofluorescence microscopy reveals distinct patterns of serum factor deposition in inflammatory dermatoses compared to malignant ones.
- These findings highlight the potential of immunofluorescence in differentiating benign inflammatory skin conditions from neoplastic skin diseases involving eosinophilic cells.