The treatment of slipped capital femoral epiphysis with the modified Dunn procedure allows the restoration of more normal proximal femoral anatomy by complete correction of the slip angle, such that probability of secondary osteoarthritis and femoroacetabular cam impingement may be minimized. The complication rate from this procedure in our series was low, even in the treatment of unstable slipped capital femoral epiphysis, compared with alternative procedures described in the literature for fixation of slipped capital femoral epiphysis.

Although the ischial spine sign (ISS) has been advocated to detect acetabular retroversion, it is unknown whether the sign is valid on anteroposterior (AP) pelvic radiographs with tilted or rotated pelves. We therefore evaluated reliability of the ISS as a tool for diagnosing acetabular retroversion in the presence of considerable pelvic tilt and/or malrotation. We obtained radiographs of 20 cadaver pelves in 19 different malorientations resulting in 380 pelvis images (760 hips) for evaluation. In addition, 129 clinical radiographs of patients' hips that had varying pelvis orientations were reviewed. We found an overall sensitivity of 81% (90%), specificity of 70% (71%), positive predictive value of 77% (80.7%), and negative predictive value of 75% (85%) in the cadaver (patient) hips. Our data suggest the ISS is a valid tool for diagnosing acetabular retroversion on plain radiographs taken using a standardized technique regardless of the degree of pelvic tilt and rotation.

Spillage of gallstones (6–40%) are common during laparoscopic cholecystectomy. Development of intraperitoneal and perihepatic abscesses are relatively rare (<0.1%). However, it may pose a diagnostic dilemma mimicking intra-abdominal tumor due to their similar radiologic appearance. Case Report: We present a 57-year-old woman with history of cholecystectomy 8 years prior who presented with a suspected diagnosis of incarcerated port site hernia with associated radiological evidence of an intra-abdominal tumor. The histological examination of the resected tumor revealed a chronic abscess. It reminds us the importance of careful removal of the stones especially in the setting of acute cholecystitis and should prompt the treating physician about this late possible complication.

The vast majority of adult primary cardiac tumours (75%) are benign. The differentiation between malignant and benign lesions based on imaging is often difficult. Furthermore, it is challenging to distinguish between a cardiac myxoma and a myxosarcoma histologically. We report the case of a 48-year-old female who underwent resection of myxoma. Fourteen months postoperatively, she developed dyspnoea and evidence of local recurrence was observed. An open biopsy was performed and compared with the initially resected specimen. A primary cardiac myxosarcoma was diagnosed. Extended resection of the tumour including a part of the left atrium and the left lung was performed. Follow-up at 4 years shows no radiological evidence of any further recurrence and the patient is satisfied with a good quality of life. Despite the infrequent nature and particularly in view of the poor prognosis of cardiac myxosarcoma with a median overall survival of ∼12–17 months, we were able to demonstrate in our case that, with an extensive medical and surgical therapy and an interdisciplinary approach, a long-term disease-free survival can be achieved.