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The 12 year-old male patient was suffered from painless diffuse swelling with multiple subcutaneous nodules on both submandibular area for about 2 months. Marked eosinophilia and leukocytosis were noted in routine laboratory test. On the excisional biopsy of subcutaneous nodular lesion, there were diffuse proliferation of small vessels, lymphoid follicle formation and diffuse infiltration of lymphocytes, histiocytes and eosinophils. It... |