Mendelian Susceptibility to Mycobacterial Diseases (MSMD) in a 13-Year-Old Ethiopian Girl with Autosomal Dominant Interferon Gamma Receptor 1(IFN-γ R1) Defect: A Clinical Diagnostic and Treatment Challenge

Figure 1

(a) H and E stained wedge shaped incisional biopsy, bisected from the skin on her trunk. (b) Diffused granulomatous with multiple histiocytes with a background of lymphocytes periadnexal inflammatory cell infiltrate. (c) and (d) Multinucleated giant cell and Touton giant cells. All were suggestive of lupus vulgaris. No acid-fast bacilli were seen.

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