MSK and Rheum - other info from passmed Flashcards
What is Ewing’s sarcoma? Where does it occur commonly? What is the characteristic appearance on XRAY?
Malignant bone tumour affecting children and adolescents predominantly
Occurs most frequently in pelvis and long bones
‘Onion skin’ appearance
Osteogenesis Imperfecta key features?
Osteogenesis imperfecta (brittle bone disease) is a group of disorders of collagen metabolism resulting in bone fragility and fractures
autosomal dominant
Features
presents in childhood
fractures following minor trauma
BLUE SCLERA
deafness secondary to otosclerosis
dental imperfections are common
Investigations
adjusted calcium, phosphate, parathyroid hormone and ALP results are usually normal in osteogenesis imperfecta
Key features for an ACL diagnosis?
Sudden popping sound during athletic activity → knee pain, swelling and instability is an ACL injury