Article Text
Abstract
Clinical introduction A 51-year-old male presented to the ED with a rash to his left thigh (figure 1) with erythema, swelling and pain. He endorsed paraesthesias, pruritus, fevers, vomiting and diarrhoea. Initial vitals were unremarkable. He was well appearing with an 8×8 cm violaceous patch on his left medial thigh with vesicles, surrounding erythema and induration with a second, smaller lesion on the right thigh. Both rashes were extremely tender.
Erythematosus and vesicular rash in bilateral legs.
A bedside ultrasound image of the rash was obtained (figure 2).
Bedside ultrasound of rash.
Question What is the most likely cause of the patient’s rash?
A. Herpes zoster
B. Cellulitis
C. Necrotising fasciitis
D. Bullous pemphigoid
- ultrasound
- musculo-skeletal
- soft tissue infection
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Footnotes
Contributors YTL planned the study and performed critical revisions.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.