case_images: PMC9726214_01
case_images: A brief chronology of the patient.
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case_images: A brief chronology of the patient showed in Figure 1. 
case_images: (A-M) Clinical features of the initial visit.
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case_images: Intra-oral examination (Figure 2) revealed irregular multiple ulcers, well-defined margins surrounded by erythema, white-yellowish concave base, varying in size, on the upper and lower labial mucosa, right and left buccal mucosa, tongue, and the mandibular posterior attached gingiva.
case_images: Serosanguineous crusts on lips that mimic HAEM.
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case_images: After three days, the patient complained of bleeding on her lips and could not eat normally (Figure 3).
case_images: (A-N) One week of follow-up.
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case_images: HAEM. However, after one week of follow-up (Figure 4), the patient showed significant improvement.
case_images: (A-N) Two weeks of follow-up.
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case_images: After two weeks of follow-up (Figure 5), we performed an anti-HSV-1 IgG examination.
case_images: (A-N) One month of follow-up.
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case_images: The patient was getting better and no new lesions appeared after one month of follow-up (Figure 6).