Lecture 9 - Paediatric Ortho
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Questions and Answers

Which of the following is a characteristic of Erb-Duchenne paralysis?

  • Internal rotation of the shoulder, extended elbow, pronated forearm (correct)
  • External rotation of the shoulder, flexed elbow, supinated forearm
  • Adduction of the shoulder, flexed elbow, pronated forearm
  • Abduction of the shoulder, extended elbow, pronated forearm
  • What is the most common type of obstetric trauma related to Erb-Duchenne paralysis?

  • In uterus; premature birth
  • In uterus; breech presentation
  • In uterus; prolonged labor
  • In uterus; dystocia (correct)
  • Which condition is associated with physical deformity, ultrasound, and X-ray, and typically heals in 1 week with non-operative treatment?

  • Limb Length Discrepancy
  • Osteochondrosis
  • Varus/valgus deformity
  • Clavicle fracture (correct)
  • Which type of inheritance is associated with Osteogenesis imperfecta and Achondroplasia?

    <p>Autosomal dominant</p> Signup and view all the answers

    Which foot deformity is characterized by cavus, hindfoot varus, plantarflexion of the 1st ray, and forefoot adduction?

    <p>Cavovarus foot</p> Signup and view all the answers

    What is the treatment for limb length discrepancy based on the degree of discrepancy?

    <p>Surgical with 8 plates</p> Signup and view all the answers

    What is the normal alignment for the lateral distal femoral angle in children?

    <p>79-83°</p> Signup and view all the answers

    Which condition involves a disorder of bone growth primarily involving the ossification centers and shows radiological progression from metallization to fragmentation and regeneration?

    <p>Osteochondrosis</p> Signup and view all the answers

    What is the most common birth defect associated with the foot deformities described in the text?

    <p>Metatarsus adductus</p> Signup and view all the answers

    What is the characteristic deformity of planovalgus foot?

    <p>Calcaneus valgus + flat arch</p> Signup and view all the answers

    What is the diagnosis for the presence of a genu valgum after 8 years old?

    <p>Lower limb X-ray</p> Signup and view all the answers

    What is the treatment for metatarsus adductus?

    <p>Surgical intervention</p> Signup and view all the answers

    Which of the following diseases involves defective osteoclastic resorption leading to bone fractures and hematopoietic defects?

    <p>Osteopetrosis</p> Signup and view all the answers

    Which syndrome presents with joint hypermobility and fragile skin due to collagen forming gene mutations?

    <p>Ehlers-Danlos syndrome</p> Signup and view all the answers

    What is the characteristic of Developmental Dysplasia of the Hip (DDH)?

    <p>Dysplasia, subluxation, and possible dislocation of the hip</p> Signup and view all the answers

    Which disease results from insufficient mineralization of the osteoid due to Vit D deficiency?

    <p>Osteomalacia</p> Signup and view all the answers

    What is the main cause of Osteogenesis imperfecta?

    <p>Abnormal collagen resulting in fragility fractures</p> Signup and view all the answers

    Which disease is characterized by long bone bowing and ligamentous laxity due to inadequate calcium and phosphate?

    <p>Rickets</p> Signup and view all the answers

    Which of the following is a connective tissue disorder with skeletal abnormalities and cardiovascular and ocular abnormalities?

    <p>Marfan syndrome</p> Signup and view all the answers

    What type of ossification processes are involved in Osteogenesis?

    <p>Endochondral and Intramembranous</p> Signup and view all the answers

    What is the incidence of Developmental Dysplasia of the Hip (DDH)?

    <p>1-20%</p> Signup and view all the answers

    Which disease involves bone matrix deposition and reabsorption by osteoblasts and osteoclasts?

    <p>Rickets</p> Signup and view all the answers

    What is the characteristic of Osteopetrosis?

    <p>Bone fractures and hematopoietic defects</p> Signup and view all the answers

    Which disease is characterized by abnormal collagen resulting in fragility fractures and scoliosis?

    <p>Osteogenesis imperfecta</p> Signup and view all the answers

    Study Notes

    Congenital Bone Diseases and Developmental Dysplasia of the Hip

    • Congenital diseases include Dominant X-Linked Hypophosphatemic rickets, Rett syndrome, and Recessive X-Linked Duchenne Muscular Dystrophy.
    • Bone metabolism diseases involve Rickets, Osteomalacia, Osteogenesis imperfecta, and Osteopetrosis.
    • Osteogenesis involves Intramembranous and Endochondral ossification processes.
    • Bone metabolism includes osteoblasts and osteoclasts functions in bone matrix deposition and reabsorption.
    • Rickets is characterized by long bone bowing and ligamentous laxity due to inadequate calcium and phosphate.
    • Osteomalacia results from insufficient mineralization of the osteoid due to Vit D deficiency.
    • Osteogenesis imperfecta is caused by abnormal collagen resulting in fragility fractures and scoliosis.
    • Osteopetrosis involves defective osteoclastic resorption leading to bone fractures and hematopoietic defects.
    • Marfan syndrome is a connective tissue disorder with skeletal abnormalities and cardiovascular and ocular abnormalities.
    • Ehlers-Danlos syndrome presents with joint hypermobility and fragile skin due to collagen forming gene mutations.
    • Hip-related diseases in children include Developmental Dysplasia of the Hip, transient synovitis, Perthes disease, and S.U.F.E.
    • Developmental Dysplasia of the Hip (DDH) is characterized by dysplasia, subluxation, and possible dislocation of the hip, with an incidence of 1-20%.

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    Description

    Test your knowledge of congenital bone diseases and developmental dysplasia of the hip with this quiz. Explore topics such as osteogenesis, bone metabolism, and hip-related diseases in children.

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