case_images: PMC3731329_01
case_images: Pelvic computed tomography of the RA patient with factor XIII deficiency.. The white arrow indicates the intra-pelvic hemorrhage. (a) Transverse plane and (b) coronal plane.
case_images: pone.0069944.g001.jpg
case_images: PMC3731329_01_pone.0069944.g001.jpg
case_images: pone-0069944-g001
case_images: APTT (activated partial thromboplastin time), PT (prothrombin time) and bleeding time were within the normal ranges; however, his plasma factor XIII activity level was only 58% (normal range 70-140%) (Table 1). A computed tomography (CT) scan of the pelvis revealed the presence of a mass in the left iliac muscle (Fig. 1a-b).