Erythema nodosum Flashcards

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1
Q

Define erythema nodosum

A

panniculitis (inflammation of subcutaneous fat tissue) presenting as red or violet subcutaneous nodules

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2
Q

major causes of erythema nodosum?

A

TB and sarcoidosis

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3
Q

other causes of erythema nodosum?

A
•	Drugs 
o	Sulphonamides  
o	Penicillin  
o	Combined oral contraceptive pills  
•	Pregnancy 
•	Malignancy 
o	Leukaemia  
o	Hodgkin's disease
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4
Q

epidemiology of erythema nodosum ?

A
  • Usually affects YOUNG ADULTS

* THREE times more common in FEMALES

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5
Q

presenting symptoms of erythema nodosum ?

A
  • Tender red or violet nodules bilaterally on both shins
  • Nodules are tender to palpation
  • Low-grade pyrexia
  • Joints may be tender
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6
Q

investigations for erythema nodosum?

A

• Determine underlying CAUSE

check chest X-ray as first line to look for TB and sarcoidosis

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