Soft Tissue Chondroma of the Oral Cavity: An Extremely Rare Tumour Localized on the Hard Palate
(a) Low-magnification view of the soft tissue chondroma located in the subepitelial hard palate. It shows a multilobular pattern with large blue areas, constituted of cartilaginous tissue, surrounded by a densely sclerotic fibrous tissue. No signs of ulceration are present. Haematoxilin-eosin, original magnification 2, bar is 1 mm. (b) The cartilaginous cells are immersed in an extremely abundant matrix and sometimes are binucleated (arrow). Haematoxilin-eosin, original magnification 20, bar is 100 μm. (c) Focally, this lesion is constituted of smaller elements characterised by either oval or reniform nucleus and a slightly eosinophilic cytoplasm. Haematoxilin-eosin, original magnification 20, bar is 100 μm.
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