Complete colonic duplication presenting as hip fistula in an adult with pelvic malformation: A case report

Figure 1 The clinical characteristics of the case. A: The blue arrow shows the fistula presenting as a neoplasm located in the right hip of the patient. The scar with round features is indicated by the yellow arrow; B: The blue arrow shows the duplicated tubular structure, which is dilated and full of fecal slag-like secretion; C: Abdominal computed tomography scan reveals the double ureter (yellow arrow), compressed uterus (white arrow), duplicated tubular structure (blue arrow), and contrast agent appearing in the fistula (green arrow); D: The three-dimensional reconstruction image shows abnormal morphology of the sacrum (blue arrow) and absence of some bone structures; E: Radiograph of the right foot shows pes cavus.