PMC9726214_01
A brief chronology of the patient.
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A brief chronology of the patient showed in Figure 1. 
(A-M) Clinical features of the initial visit.
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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.
Serosanguineous crusts on lips that mimic HAEM.
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After three days, the patient complained of bleeding on her lips and could not eat normally (Figure 3).
(A-N) One week of follow-up.
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HAEM. However, after one week of follow-up (Figure 4), the patient showed significant improvement.
(A-N) Two weeks of follow-up.
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After two weeks of follow-up (Figure 5), we performed an anti-HSV-1 IgG examination.
(A-N) One month of follow-up.
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The patient was getting better and no new lesions appeared after one month of follow-up (Figure 6).