<prompt> Hairpin shaped eosinophilic structure present in radicular cyst is:Rushton bodiesRussell bodiesBoth of the aboveNone of the above  <response>: Periapical Cyst The cyst lumen may be filled with fluid and cellular debris. On occasion, the lining epithelium may demonstrate linear or arch-shaped calcifications known as Rushton bodies Squamous epithelial cyst lining exhibiting numerous irregular and curvilinear Rushton bodies. 