Introduction -- Prevalence -- Etiology and Pathogenesis -- Histopathology of a Retraction Pocket -- Molecular Biology of the Retraction Pocket -- Fate of Retraction Pockets -- Ossicular erosion in retraction pockets -- Classification of Retraction Pockets -- Clinical features -- Clinical features -- Clinical description of retraction pocket -- Retraction pocket Imaging -- Treatment -- Our Clinical Experience -- Conclusion -- References.