Diagnostic ultrasound ( PDFDrive )

CHAPTER 8 The Gastrointestinal Tract 289
A
B
C
FIG. 8.36 Acute Typhlitis in AIDS Patient With Cytomegalovirus
Colitis. (A) Long-axis view of the ascending colon
shows marked mural thickening of the cecum and the wall of
the ascending colon. Wall layer preservation is noted. (B) Crosssectional
view of the thickened colon (at level of left arrow in A),
with luminal surfaces in apposition. (C) Cross-sectional view of
the cecum (at level of right arrow in A), which is thick walled and
shows a luid-illed lumen. (With permission from Wilson SR. The
bowel wall looks thickened: what does that mean? In: Cooperberg
PL, editor. RSNA categorical course syllabus. Chicago: RSNA;
2002. pp. 219-228. 1 )
A
B
FIG. 8.37 Acute Omental Infarction. (A) Sonogram shows a large, tender mass in the right lower quadrant (RLQ; arrows) in older man with
acute RLQ pain. The mass is uniformly echogenic and attenuating, with an ultrasound appearance suggesting inlamed fat. (B) Conirmatory CT
scan shows the heterogeneous supericial fatty mass.