Tumor

Question 1

What is associated with secondary ABC?

Answer 1

• GO FUNCC
• GCT
• Osteoblastoma
• Fibrous dysplasia
• UBC
• NOF
• Chondromyxoid firboma (rare)
• Chondroblastoma

Question 2

Indications for Biopsy

Answer 2

• >5cm lesion
• deep to fascia
• overlying bone or NV structures
• (not a lipoma)

Question 3

Principles of Open Biopsy

Answer 3

• Extensile incision – longitudinal in extremities
• Avoid developing planes
• Use involved compartment
• Do not expose neurovascular structures
• Meticulous hemostasis – pack***
• Release tourniquet prior to wound closure
• If using drain, bring out in line with incision
• For bone lesions, ok to biopsy soft tissue mass

Question 4

4 Surgical Margins

Answer 4

• Intralesional – plane of dissection enters tumor
• Marginal – plane of dissection through reactive zone at edge of tumor
• Wide – tumor removed with cuff of normal tissue (2cm)
• Radical – entire compartment tumor occupies removed