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Dermatology - Coggle Diagram
Dermatology
Psoriasis
erythematous plaques, silvery scale
types
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psoriatic erythroderma
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apply regular emollient, nutrition + fluid support, DON'T USE STEROIDS
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Herpes Zoster
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Hutchinson's sign
nose involved, indicates trigeminal N involvement risk of ophthalmic zoster (visual loss)
Tx
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for post-herpetic neuralgia: lidocaine patch, pregabalin, gabapentin, amitriptyline
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Pyoderma gangrenosum
a/w IBD, RA, haematological malignancies
painful enlarging ulcers with necrotic border, most commonly on lower extremities
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Bullous diseases
Pemphigus vulgaris
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bullae on oral, buccal + palatine surfaces
Bullous pemphigoid
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a/w neuro disease (stroke, dementia, Parkinsons)
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Erythema multiforme
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usually caused by infections, rarely drug induced