PMC5304379_01
Ultrasound image of postpartum perirectal hematoma
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F1
The presence of the palpable hypoechogenic perirectal 6,5/ 3,5cm structure was objectified on ultrasound, suggesting the diagnosis of perirectal hematoma (Fig. 1). 
CT image of retro rectal and pelvic retroperitoneal hematoma fused from a perineal laceration associated with childbirth
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F2
Intraperitoneally, there seemed to be a significant quantity of fluid, predominantly pelvic and minimally perihepatic disposed, with no sanguine density aspects (Fig. 2).
Macroscopic necrotic aspect of sigmoid colon
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F3
After the dissection of sigmoid and rectum nearby pelvis floor without finding any active source of bleeding, despite the general necrotic aspect of these segments (Fig. 3), an expectant attitude was decided considering the positive response of the intestinal wall on the instillation of lidocaine hydrochloride 1% and repeated cold peritoneal lavage (Fig. 4).