Intussusception is frequently (25%) seen in children with newly diagnosed CD, generally asymptomatic and resolves spontaneously on GFD. It is often associated with more severe disease. Children with CD and intussusception should not be subjected to surgical/radiological intervention.

Context:Percutaneous computed tomography (CT)-guided needle aspiration and biopsy technique have developed over time as a method for obtaining tissue specimen. Although this is a minimally invasive procedure, complications do occasionally occur.Aims:The aim of the study was to evaluate the diagnostic yield and complications of 265 percutaneous CT-guided aspiration and biopsy procedures performed on various intrathoracic lesions.Settings and Design:Data of percutaneous CT-guided aspiration and biopsy procedures of intrathoracic lesions performed over a 4 year period were retrospectively analyzed.Subjects and Methods:Procedure details, radiological images, and pathological and microbiological reports were retrieved from radiology records and hospital information system. Technical success, diagnostic yield, and complication rates were calculated.Results:Total 265 procedures were performed for lung (n = 179), mediastinum (n = 73), and pleural lesions (n = 13). Diagnostic yield for lung, mediastinal, and pleural lesions was 80.7%, 74.2, and 75%, respectively, for core biopsy specimens. Major complication was noted in only one procedure (0.4%). Minor complications were noted in 13.6% procedures which could be managed conservatively.Conclusions:Percutaneous CT-guided aspiration and biopsy procedures for intrathoracic lesions are reasonably safe with good diagnostic yield. Complications are infrequent and conservatively managed in most of the cases.

Considering the high incidence of amoebic and pyogenic liver abscess in the developing world, occurrence of inferior vena cava thrombosis secondary to liver abscess is a rare but life threatening complication. We report 4 such complicated cases of liver abscess(s). The first case involved a large caudate lobe abscess extending across middle hepatic vein into suprahepatic inferior vena cava (IVC). Development of a left hepatic artery pseudoaneurysm following attempted percutaneous aspiration highlights the difficulties encountered in percutaneous interventional management of caudate lobe abscesses. The second case involved multiple liver abscesses with large thrombus in the right ventricular cavity & right ventricular outflow tract. The patient developed cardiorespiratory arrest limiting any aggressive management options for the complex nature of illness. The third case had a large caudate lobe abscess with direct extension into Intrahepatic IVC while the fourth showed a segment 4 abscess with thrombosis of adjacent left hepatic vein. These cases highlight the fact that diagnosis of such life threatening complications of liver abscesses as hepatic vein & IVC thrombosis requires high clinical suspicion followed by targeted imaging. Image guided interventional therapy is a useful tool for management in cases of liver abscess. But, abscesses in precarious locations like caudate lobe are associated with higher risk of complications including pseudoaneurysm formation asking for a cautious approach to interventional therapy in such circumstances.

The purpose of this report is to present radiological features of a rare entity called Parry-Romberg syndrome (also known as Progressive hemifacial atrophy). The authors report one rare case of a 18 year old female patient with Parry-Romberg syndrome, accompanied by a brief review of literature and various radiological features of this entity. Final diagnosis of a Parry-Romberg syndrome was made on clinical and radiological grounds. Radiologists should be familiar with various radiographic, CT and MRI findings observed in this disorder. DOI: http://dx.doi.org/10.3126/njr.v4i1.11571 Nepalese Journal of Radiology, Vol.4(1) 2014: 67-70

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Percutaneous catheter drainage (PCD) is the standard of care in the management of intra-abdominal collections where immediate surgery is not indicated. 1 Pelvic collections are challenging for a trans-abdominal approach to drainage. 2 Alternative approaches (trans-rectal, trans-vaginal and transgluteal) can be used to circumvent risks associated with transabdominal drainage in such cases. Among these, the transrectal route is less painful, better tolerated and with proper technique, high clinical cure rates can be attained with fewer complications. 3 In this article we discuss 6 cases with pelvic collections, treated with trans-rectal drainage, and thereby highlight issues pertaining to this method of treatment. Technique of transrectal drainage A review of pre-procedure imaging including transabdominal ultrasound and CECT abdomen was performed. Only patients found unsuitable for safe transabdominal drainage were Short Reports evaluated further for the transrectal approach. The patient's coagulation profile (prothrombin time, activated partial thromboplastin time, international normalized ratio and platelet count) was reviewed. Those with deranged coagulation profile (INR >1.5 &/or platelet count < 50,000/mm 3) were taken up for procedure following correction of coagulation status. All patients received broad spectrum intravenous antibiotics and rectal enema prior to procedure. Informed consent was taken. An 8-4 MHz end-fire probe (3D9-3v, HD 11 XE, Philips) covered with a condom and with a biopsy guide attached was used for transrectal sonographic guidance with patient in left lateral decubitus position. The collection was localized and 18G Chiba needle (Cook Inc., Bloomington, USA) was advanced after administration of 10ml of local anesthetic (Inj. Lignocaine 2%). Samples for culture were obtained. A 0.9 mm (0.035 in.) amplatz ultra-stiff guidewire (Cook Inc., Bloomington, USA) was inserted through the needle and coiled within the abscess cavity. After serial dilatations with a Coons dilator, a self

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