General ICP

Question 1

What is a fistula

Answer 1

Permanent pathological track between 2 organs, lined with an epithelium in the body

Question 2

What is a sinus?

Give an example.

Answer 2

Formation of track from an abscess

• through overlying tissues
• to anatomical structure lined with epithelium/ skin
• allowing escape of pus/ bursal fluid

EXAMPLES

• abdo abscess draining into bladder
• SC abscess draining from skin

Question 3

What is pus (in terms of content)

Answer 3

Inflammatory extravascular fluid

• HIGH PROTEIN
• numerous leukocytes, mostly NEUTROPHILS

Question 4

What is transudate

Answer 4

Inflammatory extravascular fluid

• LOW protein content (usually only albumin)
• low specific gravity

Question 5

What is exudate

Answer 5

Inflammatory extravascular fluid

• HIGH protein content
• high specific gravity

Question 6

What kind of infection is procalcitonin a useful marker of

Answer 6

acute BACTERIAL infection

Question 7

Examples of contaminated surgery (a/b prophylaxis recommended)

Answer 7

1. Appendectomy

2. Bowel resection

Question 8

Examples of clean contaminated surgery (a/b prophylaxis recommended)

Answer 8

Cholecystectomy

hollow viscus is breached