"heterogenous contrast enhancement, enlargement and surrounding fluid 11,12."
"AP diameter"
"AP diameter"
"heterogenous contrast enhancement, enlargement and surrounding fluid 11,12."
"AP diameter"
"heterogenous contrast enhancement, enlargement and surrounding fluid 11,12."
"vasculitides (e.g. IgA vasculitis, previously known as Henoch-Schönlein purpura)"
"submucosal or intramural haemorrhage (e.g. coagulopathy)"