This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid and Parathyroid, Subject name: Pathology
[{'content': 'Which of the following is/ are seen in Hyperparathy roidism? \nSelect and explain. \nA. Osteitisfibrosacystica, B. Osteoporosis, C. Dissecting osteitis, D. All the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All the above Bone in HyperparathyroidismHealing responseResorptiono Osteitis fibrosa cystica (Distinctive bone manifestation) Characterized by replacement of normal cellular and marrow elements by fibrous tissueo Diffuse bone resorption o Subperiostal bone resorption of phalangeal tuftso Brown tumor of hyperparathyroidism (Well circumscribed dark brown area in the region of severe bone resorption)|o Osteoporosis o Deformityo Pathological fracturesOther manifestationso Absence of lamina dura (demineralization of mandible) o Pinhead stippling of skull o Marrow fibrosis", 'role': 'assistant'}]