PMC9745029_01
Leishmaniosis nodular ulcero-hemorrhagic lesion (arrows) identified in the right maxilla in a 10-year-old cat (left), intra-oral radiography of the right maxillary premolars and molars where it is possible to identify tooth resorption and vertical bone loss associated with the lesion (right).
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F1
Clinical examination revealed a periodontal disease more severe on the right side and a right maxillary local stomatitis with nodular and ulcerative appearance (Figure 1). At the level of the nodular ulcero-hemorrhagic lesion, the third and fourth right maxillary premolars were affected by advanced periodontitis, and radiographic signs of vertical bone loss were observed (Figure 1).
Histopathology photomicrograph of the biopsy, showing amastigote figures and neutrophilic and macrophagic infiltration (A) 100x and (B) 400x.
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F2
Inflammatory cells were mainly neutrophils and macrophages, with a lower proportion of lymphocytes and plasmacytes (Figure 2).