A 7-year-old boy presented to the clinic with a 6-week history of a growing tumour on his scalp. He was attending school and had no pets at home. Physical examination revealed a 4-cm by 4-cm crusted tumour on the vertex with occipital lymph node enlargement.
The most likely diagnosis is
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Kerion (inflammatory tinea capitis)
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Pyogenic abscess
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Metastatic cancer to scalp
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Deep fungal infection
Answer on page 272
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