Case presentation A 22-year-old man was admitted to a hospital with problems of pain and rapidly spreading erythema of the left hand that worsened with movement of the second and fourth fingers. He had no lethargy, headache, fatigue, dyspnea, pain, or cough elsewhere. Moreover, he had no notable medical history. The first day after admission: The patient complained of pain and swelling of the left hand involving the distal interphalangeal joint of the second finger as well as the proximal interphalangeal joint of the fourth finger.
Gradually the pain worsened, and bullae started to form, which turned dark purple (Figure 1). Figure 1. Clinical photographs Initial examination Body temperature: 38.6°C Blood pressure: 126/63 mm Hg Heart rate: 101 beats/minute Respiratory rate: 18 breaths/minute Oxygen saturation while breathing ambient air: 100% No evidence of axillary lymphadenopathy,…
