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What is Pelkan spur is seen in - and explain in detail?
Radiological features of scurvy: Palkan spur : metaphyseal spurs projecting at right angles to the shaft. White line of Frankel : calcified cailage in the metaphysis Trumefeld zone : zone of rarefraction below the white line of Frankel Wimburger sign : ring surrounding the ephiphyseal centres of ossification Pencil thin coex Subperiosteal hemorrhages Generalised osteoporosis