Hemophagocytic lymphohistiocytosis of the ocular adnexal mimicking orbital cellulitis in a patient with unknown X-linked lymphoproliferative syndrome type 1 (XLP1): Case report and literature review
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A 5-year-old boy presented with severe acute bilateral periorbital edema. Initial misdiagnosis was made as preseptal orbital cellulitis, and he failed to respond to conventional antibiotic therapy. Magnetic resonance imaging revealed thickening of the anterior... ...
