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Fig. 2 | BMC Oral Health

Fig. 2

From: Hyaline fibromatosis syndrome: a case presenting with gingival enlargement as the only clinical manifestation and a report of two new mutations in the ANTXR2 gene

Fig. 2

Histopathologic image from a gingiva biopsy showing (A, B) hyperplastic epithelium, mild inflammatory cell infiltration, proliferation of the capillary layer, and increase in fibrous tissue (hematoxylin–eosin stain), (C, D) deposits of an amorphous, homogeneous, and PAS-positive hyaline substance in the lamina propria and perivascular spaces (periodic acid Schiff stain)

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