Diagnosis of TB in children requires which of the following special considerations?

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Diagnosis in the adult is based on identification of stains of gastric or respiratory washings that have bacteria uniquely resistant to acid decoloration (acid fast). In children, because of the low number of bacilli, 3 consecutive days of gastric washings may increase the sensitivity of this test. More commonly, the diagnosis of TB is based on a positive skin test (Mantoux skin test) in a patient with an appropriate clinical picture and radiographic findings.

Diagnosis of TB in Children Requires Which of the Following