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Histopathology of periapical lesions. (A) Periapical granuloma with well-organized epithelium and connective tissue infiltrated with inflammatory cells. (B) Radicular cyst with epithelialized lumen and chaotic arrangement of cells. An arrow indicated the lipid cleft in radicular cyst. Tissues were stained with hematoxylin and eosin with ×10 magnification power.
