The following are multiple choice questions (with answers) about medical knowledge.   **Question:** 10 year old present with ankle pain. X-ray has Lytic Lesion with sclerotic rim at calcaneum. Following HPE findings were seen. What is your diagnosis:   (A) Eumycosis   (B) PVNS   (C) Ochronosis   (D) Hemophilic pseudotumar
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