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   2011| April-June  | Volume 21 | Issue 2  
    Online since June 23, 2011

 
 
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MUSCULOSKELETAL RADIOLOGY
Spectrum of magnetic resonance imaging findings in clinical glenohumeral instability
Manisha Jana, Deep Narayan Srivastava, Raju Sharma, Shivanand Gamanagatti, Hiralal Nag, Ravi Mittal, Ashish Dutt Upadhyay
April-June 2011, 21(2):98-106
DOI:10.4103/0971-3026.82284  PMID:21799591
The glenohumeral joint is the most commonly dislocated joint in the body, and anterior instability is the most common type of shoulder instability. Depending on the etiology and the age of the patient, there may be associated injuries, for example, to the anterior-inferior labro-ligamentous structures (in young individuals with traumatic instability) or to the bony components (commoner in the elderly), which are best visualized using MRI and MR arthrography. Anterior instability is associated with a Bankart lesion and its variants and abnormalities of the anterior band of the inferior glenohumeral ligament (IGHL), whereas posterior instability is associated with reverse Bankart and reverse Hill-Sachs lesions. Cases of multidirectional instability often have no labral pathology on imaging but show specific osseous changes including increased chondrolabral retroversion. This article reviews the relevant anatomy in brief and describes the MRI findings in each type, with the imaging features of the common abnormalities.
  18,946 1,407 1
NEURORADIOLOGY
Applications of 3D CISS sequence for problem solving in neuroimaging
Divyata Hingwala, Somnath Chatterjee, Chandrasekharan Kesavadas, Bejoy Thomas, Tirur Raman Kapilamoorthy
April-June 2011, 21(2):90-97
DOI:10.4103/0971-3026.82283  PMID:21799590
Three-dimensional (3D) constructive interference in steady state (CISS) is a gradient-echo MRI sequence that is used to investigate a wide range of pathologies when routine MRI sequences do not provide the desired anatomic information. The increased sensitivity of the 3D CISS sequence is an outcome of the accentuation of the T2 values between cerebrospinal fluid (CSF) and pathological structures. Apart from its well-recognized applications in the evaluation of the cranial nerves, CSF rhinorrhea and aqueduct stenosis, we have found the CISS sequence to be useful for the cisternal spaces, cavernous sinuses and the ventricular system, where it is useful for detecting subtle CSF-intensity lesions that may be missed on routine spin-echo sequences. This information helps in the management of these conditions. After a brief overview of the physics behind this sequence, we illustrate its clinical applications with representative cases and discuss its potential role in imaging protocols.
  17,342 1,169 10
COMPUTERS IN RADIOLOGY
Dry imaging cameras
IK Indrajit, Aftab Alam, Hirdesh Sahni, Mukul Bhatia, Samaresh Sahu
April-June 2011, 21(2):82-89
DOI:10.4103/0971-3026.82282  PMID:21799589
Dry imaging cameras are important hard copy devices in radiology. Using dry imaging camera, multiformat images of digital modalities in radiology are created from a sealed unit of unexposed films. The functioning of a modern dry camera, involves a blend of concurrent processes, in areas of diverse sciences like computers, mechanics, thermal, optics, electricity and radiography. Broadly, hard copy devices are classified as laser and non laser based technology. When compared with the working knowledge and technical awareness of different modalities in radiology, the understanding of a dry imaging camera is often superficial and neglected. To fill this void, this article outlines the key features of a modern dry camera and its important issues that impact radiology workflow.
  12,316 1,192 1
INTERVENTIONAL RADIOLOGY
Trans-arterial chemoembolization (TACE) in patients with unresectable Hepatocellular carcinoma: Experience from a tertiary care centre in India
Shashi Bala Paul, Shivanand Gamanagatti, Vishnubhatla Sreenivas, Sheragaru Hanumanthappa Chandrashekhara, Amar Mukund, Manpreet Singh Gulati, Arun Kumar Gupta, Subrat Kumar Acharya
April-June 2011, 21(2):113-120
DOI:10.4103/0971-3026.82294  PMID:21799594
Aims: To evaluate the outcome following transarterial chemoembolization (TACE) and to identify the predictors of survival in patients with unresectable hepatocellular carcinoma (HCC). Material and Methods: HCC patients reporting to our hospital (2001-2007) were subjected to clinical, biochemical, and radiological examination. TACE was performed in those who fulfilled the inclusion criteria. Follow-up assessment was done with multiphase CT scan of the liver at 1, 3, and 6 months. Tumor response and survival rate were estimated. Univariate and multivariate analyses were done for determinants of survival. Results: A total of 73 patients (69 males, 4 females; mean age 49±13.4 years) were subjected to 123 sessions of TACE. The Child's classification was: A - 56 patients and B - 17 patients. Barcelona Clinic staging was: A - 20 patients, B - 38 patients, and C - 15 patients. Tumor size was ≤5cm in 28 (38%) patients, >5-10 cm in 28 (38%) patients, and >10 cm in 17 (23%) patients. Median follow-up was for 12 months (range: 1-77 months). No significant postprocedure complications were encountered. Overall survival rate was 66%, 47%, and 36.4% at 1, 2, and 3 years, respectively. Tumor size emerged as an important predictor of survival. Conclusion: TACE offers a reasonable palliative therapy for HCC. Initial tumor size is an independent predictor of survival.
  11,858 802 9
ABDOMINAL AND PELVIC RADIOLOGY
Sonographic localization of nonpalpable testis: Tracking the cord technique
S Boopathy Vijayaraghavan
April-June 2011, 21(2):134-141
DOI:10.4103/0971-3026.82298  PMID:21799597
Objective: To evaluate the value of USG as a diagnostic tool to locate nonpalpable testis (NPT), using a new technique of tracking the spermatic cord. Materials and Methods: This technique was used in 197 instances of NPT over a period of 7 years. The presence or absence of the cord in the inguinal canal was recorded. The visualized spermatic cord was tracked down to the testis in extra-abdominal location. If spermatic cord was not visualized, the USG was extended up to look for intra-abdominal testis. The location and size of the testis were recorded, and the findings were compared with those seen at surgery. Results: The status of NPT was predicted by sonography in 191 instances. The testis was canalicular in position in 53, abdominal in 76, ascending in 5, ectopic in 8, and moving in 5 cases. There were three instances of tumor in the NPT and one case of torsion. The testes were atrophic in 36 instances. The testis was not visualized by USG in 10 instances. In four of them, spermatic cord was seen in inguinal canal, indicating vanished testes. In one patient, there was an atrophic testis with inguinal hernia. Diagnostic laparoscopy was necessary in only five cases and showed abdominal testes in two cases and the cord entering the internal ring in three cases. There were one false-positive and four false-negative results with this technique. Conclusion: USG, with the tracking the cord technique, is a sensitive diagnostic tool in NPT. It is useful for selecting the ideal therapeutic surgical approach and helps avoid diagnostic laparoscopy in most of the patients.
  11,662 784 4
MUSCULOSKELETAL RADIOLOGY
Case report: Multimodality imaging of van Neck-Odelberg disease
Luca Macarini, Tania Lallo, Paola Milillo, Silvana Muscarella, Roberta Vinci, Luca P Stoppino
April-June 2011, 21(2):107-110
DOI:10.4103/0971-3026.82286  PMID:21799592
Synchondrosis ischiopubic syndrome (SIS), also known as van Neck-Odelberg disease, is a syndrome characterized by an atypical ossification pattern of the ischiopubic synchondrosis. Its radiological features may mimic stress fracture, neoplasm, osteomyelitis, or posttraumatic osteolysis, causing problems in diagnosis, sometimes leading to unnecessary workup. We report two cases in which the correlation between the clinical and multimodality imaging data enabled the correct diagnosis of SIS.
  9,771 440 1
ABDOMINAL AND PELVIC RADIOLOGY
Emphysematous cholecystitis: Imaging findings in nine patients
Abhijit Sunnapwar, Abhijit A Raut, Arpit M Nagar, Rashmi Katre
April-June 2011, 21(2):142-146
DOI:10.4103/0971-3026.82300  PMID:21799598
Objective: Emphysematous cholecystitis is a severe form of acute cholecystitis and can be rapidly fatal. We present the imaging features of nine patients with proven emphysematous cholecystitis.
  7,973 438 5
CARDIAC RADIOLOGY
Utility of magnetic resonance imaging in the evaluation of patients with ST segment elevation on an electrocardiogram
Prabhakar Rajiah
April-June 2011, 21(2):124-133
DOI:10.4103/0971-3026.82297  PMID:21799596
ST segment elevation is an important electrocardiographic (ECG) change that is typically found in acute myocardial infarction, but may also be seen in a variety of other conditions. MRI plays an important role in the evaluation of these patients. MRI not only establishes the diagnosis, which is essential for appropriate management, but also helps in the assessment of other factors that are important for risk stratification. In this review, we discuss the common and uncommon causes of ST segment elevation and the role of MRI in the evaluation of these disease processes.
  6,331 355 2
EDITORIAL
Why examiners should not forget to be decent human beings
Bhavin Jankharia
April-June 2011, 21(2):79-79
DOI:10.4103/0971-3026.82280  PMID:21799587
  4,884 534 2
ABDOMINAL AND PELVIC RADIOLOGY
Ileosigmoid knot: A case report
Akshay D Baheti, Darshana Patel, Priya Hira, Donald Babu
April-June 2011, 21(2):147-149
DOI:10.4103/0971-3026.82301  PMID:21799599
The ileosigmoid knot is an uncommon but life-threatening cause of closed loop intestinal obstruction. Its treatment is different from a simple volvulus in that it has to be operated upon immediately. Preoperative CT scan diagnosis and prompt treatment can lead to a good outcome. Findings of simultaneous ileal and sigmoid ischemia with non-ischemic colon interposed in between should, in an appropriate clinical setting, indicate this condition. The presence of the whirl sign, medially deviated distal descending colon and cecum, and mesenteric vascular structures from the superior mesenteric vessels that converge toward the sigmoid colon on CT scan help clinch the diagnosis.
  4,448 300 5
Imaging of serous psammomacarcinoma of ovary with subcutaneous deposits: A case report
Nagaraj Diwakar, Ravindra B Kamble, Jagannath Dixit, Dashavara Sreekantaiah Gangadhara, Roshan V Shetty
April-June 2011, 21(2):150-152
DOI:10.4103/0971-3026.82299  PMID:21799600
Serous psammomacarcinoma of ovary is a rare ovarian carcinoma. We present the imaging features of this condition in a patient with a probable metastatic subcutaneous nodule.
  3,798 182 -
INTERVENTIONAL RADIOLOGY
Technical note: Radiofrequency ablation of hepatocellular carcinoma with contrast-enhanced ultrasound guidance: First Indian experience
Atul Kapoor, Aprajita Kapoor, Goldaa Mahajan
April-June 2011, 21(2):121-123
DOI:10.4103/0971-3026.82296  PMID:21799595
Radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC) is an established alternative treatment to surgery and intra-arterial chemotherapy, usually performed under contrast-enhanced CT scan guidance. We describe our experience with the use of contrast-enhanced ultrasound and contrast dynamics analysis for planning and monitoring RFA in a patient with HCC.
  3,194 265 4
LETTERS TO THE EDITOR
Interstitial MRI lymphangiography of the lower limbs
Anit Parihar, Swastika Suvirya, Suresh Kumar, Ragini Singh
April-June 2011, 21(2):155-155
DOI:10.4103/0971-3026.82285  PMID:21799602
  2,805 245 1
WEB REVIEWS
Web Review: Webzines related to radiology and imaging
IK Indrajit
April-June 2011, 21(2):153-154
  2,106 192 -
MUSCULOSKELETAL RADIOLOGY
Case report: MRI of decubital ischemic fasciitis
Ozden Sila Ulus, Ercan Karaarslan, Yesim Saglican, Abdullah Yakupoglu
April-June 2011, 21(2):111-112
DOI:10.4103/0971-3026.82289  PMID:21799593
The MRI findings in a case of decubital ischemic fasciitis located posterolateral to the right greater trochanter, in a 72-year-old woman, are presented. Decubital ischemic fasciitis is an uncommon entity encountered mostly in debilitated, elderly patients, in the deep subcutaneous tissue, at pressure points or bony prominences. It can simulate soft-tissue sarcomas. Recognition of this lesion radiologically is important to prevent unnecessary interventions.
  2,098 170 -
LETTERS TO THE EDITOR
Continuing medical education (CME): Why the fuss?
Chandrashekhar Sohoni
April-June 2011, 21(2):158-159
DOI:10.4103/0971-3026.82292  PMID:21799606
  1,931 155 1
The business of radiology in Indian context
Ajit Harishkumar Goenka
April-June 2011, 21(2):157-157
DOI:10.4103/0971-3026.82290  PMID:21799605
  1,895 178 1
The entrepreneur radiologist
Sandeep Gopal Jakhere
April-June 2011, 21(2):159-160
DOI:10.4103/0971-3026.82293  PMID:21799607
  1,792 197 -
OFFICIAL
Presidential Speech
Bhardwaj
April-June 2011, 21(2):80-81
DOI:10.4103/0971-3026.82281  PMID:21799588
  1,679 139 -
LETTERS TO THE EDITOR
Radiology education needs a revamp
Chandrashekhar Sohoni
April-June 2011, 21(2):156-156
DOI:10.4103/0971-3026.82288  PMID:21799603
  1,596 122 -
Whole body MR and disseminated cysticercosis
Ajit Harishkumar Goenka, Atin Kumar
April-June 2011, 21(2):157-158
DOI:10.4103/0971-3026.82291  PMID:21799604
  1,499 193 1
Authors' reply
Ravindra B Kamble, Roshan V Shetty, N Diwakar, G Madhusudan
April-June 2011, 21(2):155-156
PMID:21799601
  1,342 126 -
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