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Derm Vivas

Derm Vivas ·

Wood lamp / fluorescence examination — Viva

clinical1 min readVerification in progress
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Q1: Physics and setup (2 min)

What does a Wood lamp emit? How do you set up the room and patient? What artefacts spoil the test?

Q2: Infection colours (3 min)

Walk through coral-red, yellow-gold, and green-hair patterns. Which confirmatory tests follow each?

Q3: The negative scalp (2 min)

Why can non-fluorescent tinea capitis still be present? Which genera classically fluoresce?

Q4: Pigment and porphyria (2 min)

How does vitiligo appear under the lamp versus ash-leaf macules? What does coral-red urine mean operationally?

Q5: Surgical adjuncts and limits (2 min)

When might Wood lamp help margin or suture identification? What must it never replace?

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