Case Study: Ulcer at Corner of Mouth May Be First Sign of Monkeypox Virus


Researchers report on the case study of a 51-year-old HIV-positive patient.

Recent infection with monkeypox virus may initially present with an ulcer at the corner of the mouth, according to a case study of a 51-year-old HIV-positive patient published in 
Deutsches Ärzteblatt international.

The patient presented to his general practitioner with a vesicle at the left corner of the mouth that had appeared the day before. He had no clinical signs of infection; his HIV infection had been well controlled for years, both virologically and immunologically, with antiretroviral therapy.  Initially, the patient's ulcer was treated with a topical combination ointment. Within a few days, he developed a painful ulcer at the left corner of his mouth and went back to his general practitioner. A swab was taken from the ulcer. Testing by polymerase chain reaction (PCR) confirmed monkeypox virus. 

Subsequently an increase in monkeypox vesicles was noted on the skin, but also on the palate. With growing swelling of the base of the tongue and muffled speech, it was decided to admit the patient to hospital for antiviral treatment with tecovirimat.

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