This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Following are radio-logical features of scurvy except – \nSelect and explain. \nA. Bony thickening, B. Metaphyseal widening, C. Metaphyseal calcification, D. Epiphyseal separation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Radiological feat res of scurvy\n\nThe typical radiological features occur at the ends of long bones, particularly around knee, i.e. lower end of femur and upper end of tibia. Other common site is proximal end of humerus.\nFeatures are -\n\nLi Ground glass appearace of bone\n\nPencil thin cortex\n\n\nWhite line offraenkel ---> represents well calcified cartilage in metaphysis.\n\n\nWimburger sign white ring surrounding the epiphyseal centres of ossification.\n\n\nZone of rarefaction under the white line —> represents a linear break in the bone, proximal and parallel to white line and epiphyseal separation may occur along this line.\nLateral part of this rarefaction is seen as a triangular defect.\nPalkan spur or lateral spur --> lateral prolongation of white line.\nDuring healing phase, subperiosteal hemorrhages becomes calcified and the affected bone assumes a dumbbell\xa0or club shape.\n\nRemember\nWhite line of fraenkel is seen in -\n\nScurvy\nHealing rickets\nPlumbism\xa0\nAcute leukemia\nSevere protein energy malnutrition\nCongenital syphilis', 'role': 'assistant'}]