Related Experiment Videos
Squamous syringometaplasia in association with annular elastolytic granuloma
1Department of Dermatology, Medical University of South Carolina, Charleston 29425, USA.
The American Journal of Dermatopathology
|August 1, 1995
Summary
Squamous syringometaplasia, a change in eccrine glands, was found in a rare case of annular elastolytic granuloma. This finding can mimic squamous cell carcinoma but is a reactive process.
Area of Science:
- Dermatopathology
- Histopathology
- Oncology
Background:
- Squamous syringometaplasia, a metaplasia of eccrine glands, is a feature of pseudoepitheliomatous hyperplasia.
- It has been observed in conditions like lobular panniculitis, pancreatic panniculitis, and pyoderma gangrenosum.
Observation:
- This report details a case of annular elastolytic granuloma with associated squamous syringometaplasia.
- Initial biopsies showed squamous syringometaplasia resembling squamous cell carcinoma.
- Immunohistochemical stains and excisional biopsy confirmed the diagnosis.
Findings:
- Squamous syringometaplasia can occur in annular elastolytic granuloma.
- The metaplasia can mimic squamous cell carcinoma, necessitating careful diagnostic evaluation.
- The granulomatous inflammation in annular elastolytic granuloma may damage eccrine structures, triggering squamous syringometaplasia.
Implications:
- This case expands the spectrum of conditions associated with squamous syringometaplasia.
- It highlights the importance of distinguishing this reactive change from malignancy.
- Understanding the pathogenesis may aid in diagnosing and managing related dermatological conditions.