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
A triad of features consisting of multifocal bony defects,diabetes insipidus and exophthalmous is termed  as: 
Select and explain. 
A. Hand-schulles-christian disease., B. Letterer-siwe disease., C. Hypersplenism., D. Burkitt’s lymphoma.
A: Hand-schulles-christian disease.
Answer: A: Hand-schulles-christian disease. 
Explanation: Hand-Schuller-Christian Disease
A 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.