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: Pathology
[{'content': 'A triad of features consisting of multifocal bony defects,diabetes insipidus and exophthalmous is termed  as: \nSelect and explain. \nA. Hand-schulles-christian disease., B. Letterer-siwe disease., C. Hypersplenism., D. Burkitt’s lymphoma.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hand-Schuller-Christian Disease\nA triad of features consisting of multifocal bony defects, diabetes insipidus and exophthalmos is termed Hand-Schuller-Christian disease. The disease develops in children under 5 years of age. The multifocal lytic bony.', 'role': 'assistant'}]