This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection of Bones & Joints, Subject name: Orthopaedics
Brodies abscesses occurs in 
Select and explain. 
A. Flat bone, B. Small bone, C. Long Bone, D. Seasmoid bone
C: Long Bone
Answer: C: Long Bone 
Explanation: (Long bones): (166, 169- Maheshwari 4th edition)BRODIES ABSCESS (Subacute haematogenous osteomyelitis)* Chronic bone abscess containing pus or Jelly like granulation tissue surrounded by a zone of sclerosis, organism almost always is Staph.aureus* Common in age 11 to 20 years* Common sites are - Proximal and distal tibia and lower and of the femer* Pain, Temperature is usually normal, WBC may be normal, ESR is often raisedRadiology - Circumscribed, round or oval cavity* Sometimes the cavity is surrounded by a halo of sclerosis (the classic Brodies absess)Treatment - Surgical evacuation and curettage is performed under antibiotic cover