Ligneous Periodontitis in a Patient with Type 1 Plasminogen Deficiency: A Case Report and Review of the Literature

Figure 4

(a) H&E stain; original magnification is ×4, while magnification in (b) is ×10 and magnification in (c) is ×40. Photomicrograph showing parakeratinised stratified squamous surface epithelium with branching and anastomosing rete ridges and connective tissue showing subepithelial deposits of homogenous eosinophilic material that resembled amyloid. The deeper parts show a diffuse mixed inflammatory cell infiltrate comprising predominantly of neutrophils.

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