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(A) Fordyce granules (FGs) (arrowheads) in the oral vestibular mucosa of a patient with hereditary non-polyposis colorectal cancer carrying the c.545+1G>A in intron 6 MLH1 germline mutation. FGs appear as rice-like yellow-white papules with a maximum diameter of ∼1–3 mm, surrounded by normal mucosa. Local elevation of the epithelium is clearly recognisable. (B) Corresponding oral vestibular mucosa in a healthy control subject.
