Complex large ulcers go through the same stages as the primary small ulcers, however, the large ulceration is:
Ulceration often appears on the oropharyngeal areas, mainly on the mucous glands, deep, larger than 10 mm in size, surrounded by a red halo and edges visible or prominent due to swelling, intensely painful, often accompanied by fever and fibrous swelling under the jaws, which heals within a month or several. months, leaving a scar behind.
Ministry of Higher Education and Scientific Research
University of Babylon
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