20 Questions
What is the most common microorganism causing septic arthritis in all age groups?
Staphylococcus aureus
Which type of arthritis usually presents with more acute symptoms than osteomyelitis?
Septic arthritis
What is the primary route of spread of bacteria to the joint space causing septic arthritis?
Hematogenous route
When does cartilage destruction typically start in cases of acute infection that leads to septic arthritis?
Between 4-6 days
Which joint is usually most affected by monoarticular septic arthritis?
Knee
What imaging modality is more sensitive in detecting early bone and cartilage destruction in patients with septic arthritis?
CT
Which of the following is NOT a long-term change seen in imaging of patients with septic arthritis?
Synovial hypertrophy
Which imaging finding can be detected within the first 24 hours in patients with septic arthritis?
Abnormal signal in bone marrow
Which of the following is a differential diagnosis for septic arthritis?
Gout
In imaging, which condition is associated with contrast enhancement around the synovia and joint effusion?
Pseudogout
Which type of arthritis is characterized by a suppurative infection of the synovia and synovial fluid?
Septic arthritis
In which age group does osteomyelitis most commonly occur?
Children
What is the most common etiological agent of osteomyelitis in young adults?
Staphylococcus aureus
Which medical condition is NOT associated with an increased risk of septic arthritis?
Ankylosing spondylitis
What is the main diagnostic factor to consider in antibiotic treatment for osteomyelitis?
Serum antibiotic levels
Which pathogen is most commonly associated with osteomyelitis in neonates?
Group B streptococci
What is the recommended antibiotic treatment for adults with postoperative implant infections?
Vancomycin and ceftazidime
Which approach is recommended for open drainage in surgical treatment of septic arthritis?
Posteromedial approach
What is the most common cause of acute hip pain in the age group of 3-10 years?
Osteomyelitis
What type of infection shows a good response to treatment based on prognosis?
Gonococcal infection
Test your knowledge on the treatment options for cortical destruction and sequestrum in radiology, including the combination of surgery and medical treatment, removing infected devitalized bone, and decompressing abscess cavities. Explore when surgery is indicated for subperiosteal abscess, soft tissue abscess, bone abscess, bone infarct (sequestrum), and failure of clinical response to antibiotics.
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