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Cholesterol granulomas in antrochoanal polyps: a clinicopathologic study
Itzhak Shvili1, Tuvia Hadar, Jacob Shvero
1Department of Otolaryngology, Hasharon Hospital, Tel Aviv, Israel.
Summary
This study examined rare antrochoanal polyps with cholesterol granuloma (CG), a tissue reaction to cholesterol crystals. The findings highlight the clinical and pathological features of these uncommon nasal polyps.
Area of Science:
- Otolaryngology
- Pathology
- Surgical Oncology
Background:
- Antrochoanal polyps (AAPs) are typically benign.
Purpose of the Study:
- To investigate the etiology and pathological findings of AAPs associated with cholesterol granuloma (CG).
Main Methods:
- Retrospective review of five AAP with CG cases.
- Clinical and histological analysis.
- Surgical treatment and follow-up.
Main Results:
- Five uncommon cases of AAP with CG were identified (4 males, 1 female; ages 15-77).
- Patients presented with nasal obstruction, rhinorrhea, and snoring.
- Cholesterol granulomas showed fibrous granulation tissue, cholesterol crystals, and giant cells.
- No recurrence was observed during 24-36 months follow-up after endoscopic or intranasal polypectomy.
Conclusions:
- Antrochoanal polyps with cholesterol granuloma are rare but treatable nasal conditions.
- The pathogenesis of AAP with CG remains unclear, warranting further investigation.