Category Radiology

Soft Tissue Abscess

KEY FACTS Terminology Abscess: Walled-off liquefied collection of necrotic tissue, inflammatory cells, & bacteria Imaging Most commonly affects single site: Typical lymph node location vs. other subcutaneous or intramuscular focus Septic emboli can cause multifocal collections Ultrasound: Excellent for detecting superficial…

Osteomyelitis

KEY FACTS Imaging Long bone metaphyses 70% (femur > tibia > humerus), short bones 6%, pelvis 5%, spine 2% Metaphysis or equivalent > epiphysis, diaphysis Multifocal in 10% overall but 22% in neonates Absence of radiographic bone findings does not…