You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Brown tumour is found in and explain in detail?
(Hyper parathyroidism) (990- CMDT-08) (1765-H17th)Hyper parathyroidism causes a loss of cortical bone and again of trabecular bone. Osteitis fibrosa cystica may present as pathologic fracture or as "brown tumours " or cysts of Jaw.More commonly, patients have bone pain and arthralgia