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Dental Bacterial infections 46c48d4b

Which of the following is a type of cutaneous tuberculosis

A
Pemphigus vulgaris
B
Scrofuloderma
C
Lupus pernio
D
Lupus panniculitis
High-Yield Explanation
Scrofuloderma is a type of cutaneous tuberculosis involving the formation of sinuses and scarring. Skin lesions result from direct extension of underlying TB infection of lymph nodes, bone or joints. TB verrucosa cutis occurs after direct inoculation of TB into the skin of someone who has been previously infected with mycobacteria. Lupus vulgaris is persistent and progressive form of cutaneous TB. Apple-jelly nodules are seen on diascopy. Ref Harrison 20th edition pg 1345

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