Figure 1From: A rare cause of lower abdominal and pelvic mass, primary tuberculous psoas abscess: a case reportTransverse abdominal, pelvic and left thigh ultrasound. Hypoechoic collection with many internal echoes beginning on the left iliac fossa, involving the psoas muscle (arrows) (A) and extending inferiorly through the inguinal region until the root of the tight, with discrete infiltration of the subcutaneous tissues (B).Back to article page