Osteogenesis Imperfecta: A genetic disorder characterized by defective collagen synthesis leading to brittle bones, frequent fractures, and deformities. It is inherited in an autosomal dominant pattern.
Osteopetrosis (Marble Bone Disease): A hereditary condition marked by increased bone density due to defective osteoclast-mediated bone resorption, resulting in brittle, sclerotic bones prone to fractures.
Cherubism: An autosomal dominant hereditary disorder causing bilateral, symmetrical expansion of the jaw bones, with fibrous tissue replacing normal bone, giving a "cherubic" facial appearance.
Cleido-cranial Dysplasia: A genetic disorder involving abnormal development of clavicles and skull bones, often associated with mutations affecting connective tissue, leading to clavicular aplasia and cranial deformities.
1. What are hereditary bone lesions?
2. Which bacteria are commonly responsible for causing osteomyelitis?
3. What is the primary role or function of neoplastic bone diseases in the context of bone pathology?
Hereditary bone lesions — definition?
Genetic disorders affecting bone structure or growth.
Osteogenesis imperfecta — key feature?
Fragile bones with frequent fractures.
Osteopetrosis — cause?
Defective osteoclast-mediated bone resorption.
Cherubism — inheritance?
Autosomal dominant.
Cleido-cranial dysplasia — main abnormality?
Clavicular aplasia and cranial deformities.
Hereditary vs acquired lesions — difference?
Genetic origin versus environmental or infectious causes.
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