Cholesterol crystals in pleural fluid. Microscopy x200. A 66-year-old male patient from the cardiology department.
🙏 Material kindly provided by biologist of the Clinical Diagnostic Laboratory Tatyana Ivashchenko, Krasnodar.
👉 Reference information: ✅ Cholesterol crystals appear as rectangular plates with a characteristic iridescent appearance and a stepped edge structure. Such crystals are often found in pleural effusions associated with empyema, tuberculosis, or neoplastic processes. Their presence indicates prolonged fluid stasis and cellular element breakdown.
