A 23-month-old girl is brought to the clinic because of pink nodules on her leg increasing in number over the past month. The child’s mother denies trauma to her daughter’s leg, and her daughter has not experienced this condition before. On examination, several firm, nontender subcutaneous nodules <8 mm in diameter with overlying erythema and scaling are noted in the pretibial region. Biopsy revealed degeneration of collagen surrounded by palisading histiocytes and mononuclear inflammatory cells with mucin in central areas.
Can you diagnose the condition in Case 2?
A. Rheumatoid nodules
B. Granuloma annulare
C. Benign tumor
D. Precursor B-lymphoblastic lymphoma
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