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Folliculosebaceous cystic hamartoma: a clinical pathologic study
1Department of Dermatology, Emory University School of Medicine, Atlanta, GA 30322, USA.
Journal of the American Academy of Dermatology
|January 1, 1996
Summary
Folliculosebaceous cystic hamartoma (FCH) is a rare skin tumor. This study details its clinical and histological features, suggesting its incidence may be underestimated.
Area of Science:
- Dermatopathology
- Cutaneous Oncology
- Histology
Background:
- Folliculosebaceous cystic hamartoma (FCH) is a rare cutaneous hamartoma.
- It comprises follicular, sebaceous, and mesenchymal elements.
- FCH has been reported in only nine previous cases.
Purpose of the Study:
- To further characterize the clinical, histologic, and immunohistologic features of FCH.
- To increase the understanding of this rare skin neoplasm.
Main Methods:
- Evaluation of clinical, histologic, and immunohistologic features of eight FCH cases.
- Comprehensive review of existing medical literature on FCH.
Main Results:
- Lesions presented as exophytic papules/nodules on the face.
- Age at onset ranged from 4 to 47 years; sizes varied.
- Microscopic features included cystic structures with sebaceous glands and CD34-positive stromal cells.
Conclusions:
- FCH is a rare hamartoma of follicular, sebaceous, and mesenchymal origin.
- Its actual incidence is likely higher than currently reported.
- Further characterization aids in understanding and diagnosis.