An 18-month-old child presents with cellulitis of the leg and SpO2 of 88%. There is no prior history of hospitalization or illness. What is the most probable organism?
AMRSA
BStreptococcus pyogenes
CStreptococcus pneumoniae
DAll of the options
A child with fever presents with multiple tender erythematous skin lesions, and on microscopic examination, the skin lesions are found to have neutrophilic infiltration in the dermis. What is the diagnosis?
ASweet syndrome
BBehcet's syndrome
CPyoderma gangrenosum
DLeukemia cutis
Which type of necrosis is characterized by deposition of immune complexes and fibrin in the walls of blood vessels?
ALiquefactive necrosis
BCoagulative necrosis
CCaseous necrosis
DFibrinoid necrosis
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