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Objective: To analyze the clinical characteristics and effects of rehabilitation treatment on hemophiliacs with iliopsoas hemorrage., Methods: The hemophilia patients with iliopsoas bleeding treated in Peking Union Medical College Hospital between January 2006 to December 2010 were enrolled. The clinical characteristics including symptoms, signs, complications, and rehabilitation treatment were analyzed retrospectively., Results: All of the forty-one hemophiliacs with iliopsoas bleeding were male, 20 cases wee the left bleeding, 18 the right, and 3 the bilateral. The median median age was 18 (6 - 61) years old(y). The median age of the iliopsoas bleeding for the first time was 17 (6 - 20) y. 34 patients accompanied with femoral nerve injury, 19 of them had secondary knee bleeding on the same side. 20 patents had quadriceps atrophy. Pelvic pseudotumor developed in 2 patients and permanent abnormal posture in 2 patients. The main finding of the ultrasound image was low-echo mass in iliopsoas muscles or inguinal region. 34 patients received rehabilitation therapy for 8 - 12 weeks under the support of factor replacement, complete hematomas absorption in 33 of them, with hip range of motion recovering back to baseline. 27 of 32 (84.4%) cases with femoral nerve injury got quadriceps strength above 4/5 grade, 20 cases of femoral nerve injury (62.5%) still had numbness on front of their thigh after treatment., Conclusions: In this cohort of iliopsoas bleeding, most of the patients are adolescent. High prevalence of the femoral nerve injury and the secondary knee bleeding are found. Rehabilitation treatment under the support of factor replacement is safe and effective on hematoma absorption and neurological function recovery.

Objective: To investigate magnetic resonance imaging (MRI) characteristics of ovarian carcinosarcoma and the diagnostic value of MRI., Methods: The MRI features of ovarian carcinosarcoma and clinical data of 5 patients with ovarian carcinosarcoma were reviewed. All the lesions were confirmed by surgery and pathological examination., Results: MRI of ovarian carcinosarcoma in the 5 cases all showed large tumor mass and heterogeneous high-intensity on T2-weighted images and low-intensity on T1-weighted images, with laminar or stripe-like enhancement. Hemorrhage and necrosis were also displayed in some lesions. In two cases, the tumors invaded the greater omentum, sigmoid colon and the body of the uterus, with regional lymph node involvement. Pelvic effusion was observed in all the cases with pelvic hematocele in 1 case., Conclusion: MRI is useful in the detection and staging of ovarian carcinosarcoma.