"Timely diagnosis of psoas abscess is important, as the mortality rate of first presentation is anywhere from 5-15% 1."
"gastrointestinal disease (e.g. appendicitis, diverticulitis, Crohn disease or perforated colon carcinoma)"
"T2 and STIR can demonstrate a hyper-intense collection on the psoas region."
Expected headings
"Anatomy"
"Primary"
"Secondary"
"There is relatively equal frequency of psoas abscesses occurring on the right or left side. Bilateral abscess are rare, with varying reported incidence in the literature."
"Psoas muscle abscess may present with the classical triad of fever, limp and back pain. However the triad accounts for approximately less than 30% of patients 2,3."
"Pain is the most common sign, with up to 90% of patients localising the pain to the back, flank or lower abdomen 3. Other signs include inguinal mass, anorexia weight loss, nausea, and limp."
"gastrointestinal disease (e.g. appendicitis, diverticulitis, Crohn disease or perforated colon carcinoma)"