imaging of acute appendicitis and it’s complications
DESCRIPTION
Imaging of acute appendicitis and it’s complications. Imaging modalities. Plain films US CT. Plain films. Calcified appendicolith Focal ileus. US diagnosis of appendicitis. Compression US technique. An appendix diameter of > 6 mm Wall thickness of > 3 mm - PowerPoint PPT PresentationTRANSCRIPT
Imaging of acute appendicitis and it’s complications
Imaging modalities
• Plain films• US• CT
Plain films
• Calcified appendicolith• Focal ileus
US diagnosis of appendicitis
• Compression US technique.1. An appendix diameter of > 6 mm 2. Wall thickness of > 3 mm3. Dilated non-compressible fluid filled lumen
CT
• Technique:1.CT abd/pelvis without any contrast2.Oral contrast3.IV contrast4.Rectal contrast
CT Findings in Acute Appendicitis
• Normal appendix• Appendicolith (Presence of appendicolith and abdominal pain has
a sensitivity of 90% for acute appendicitis)
• Enlarged appendix, 7-10 mm (Previously 6 mm)
• Peri-appendicular inflammation-linear streaky densities in peri-appendicular fat
• Abscess
Excess abdominal fat is a good thing!!
Mildly dilated appendix with fluid filled lumen
Enlarged and inflamed appendix with wall thickening and peri-appendiceal inflammation
Appendicitis and pelvic abscess.
Per-cutaneous drainage of appendiceal abscess