X Ray shows lytic lesion in calceneus in young adult. Biopsy shows following diagnosis
Ans. (a) Pigmented viilonodular synovitisImage shows hyperplasia of synomin along with hemosiderin laden macrophages and giant cells s/o Pigmented viilonodular synovitis.
Pigmented viilonodular synovitis
Ochronosis
Osteomylitis
Eumycosis
Osteology