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EDITORIAL |
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Trying times |
p. 93 |
Bhavin Jankharia DOI:10.4103/0971-3026.50815 PMID:19881060 |
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COMPUTERS IN RADIOLOGY |
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Monitor displays in radiology: Part 2 |
p. 94 |
IK Indrajit, BS Verma DOI:10.4103/0971-3026.50819 PMID:19881061Monitor displays play an important role in modern radiology practice. Practicing radiologists need to be familiar with the various performance parameters of medical-grade displays. A certain amount of technical knowledge is useful when making purchasing decisions since the right choice of equipment can have a great impact on the accuracy, efficiency, and speed in the radiology department. |
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HEAD & NECK RADIOLOGY |
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Pictorial review of MRI/CT Scan in congenital temporal bone anomalies, in patients for cochlear implant |
p. 99 |
Santosh S Gupta, Shailendra R Maheshwari, Milind V Kirtane, Nitin Shrivastav DOI:10.4103/0971-3026.50825 PMID:19881062High-resolution CT scan (HRCT) and MRI are routinely performed prior to cochlear implant surgery. These modalities help assess the status of the inner ear structures. A few patients have significant anomalies, which need to be assessed and understood in detail. We present a pictorial essay of these anomalies and described our HRCT and MRI techniques in patients being imaged prior to surgery. |
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Eagle syndrome |
p. 107 |
Deepika Raina, Rajesh Gothi, Sriram Rajan DOI:10.4103/0971-3026.50826 PMID:19881063Eagle syndrome occurs due to elongation of the styloid process or calcification of the stylohyoid ligament, which then may produce a pain sensation due the pressure exerted on various structures in the head and neck. When suspected, imaging helps in identifying the abnormally elongated styloid process or the calcified ligament. In recent years, three-dimensional CT (3DCT) has proved to be valuable in these cases. We report the case of a 62-year-old man with this syndrome in whom imaging with 3DCT conclusively established the diagnosis. |
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Pictorial essay: B-scan ultrasonography in ocular abnormalities  |
p. 109 |
VD Aironi, SG Gandage DOI:10.4103/0971-3026.50827 PMID:19881064B-scan ultrasonography (USG) is a simple, noninvasive tool for diagnosing lesions of the posterior segment of the eyeball. Common conditions such as cataract, vitreous degeneration, retinal detachment, ocular trauma, choroidal melanoma, and retinoblastoma can be accurately evaluated with this modality. B-scan USG is cost-effective, which is an important consideration in the rural setting. In addition, it is noninvasive and easily available and the results are reproducible. |
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Psammomatoid and trabecular variants of juvenile ossifying fibroma-two case reports |
p. 116 |
Simi Thankappan, Sherin Nair, Valsa Thomas, KP Sharafudeen DOI:10.4103/0971-3026.50832 PMID:19881065Juvenile ossifying fibroma (JOF) is an uncommon fibro-osseous lesion occurring in the facial bones. It is highly aggressive and has a strong tendency to recur. It has been recognized as a separate histopathological entity among the fibro-osseous group of lesions. Surgical resection is the preferred line of treatment. Here we report two cases of JOF who reported to the oral medicine and radiology department; the two cases had different clinical features, history, radiological appearance, and aggressiveness. Under the recent classification system, both cases were recognized as histopathological variants of JOF: one psammomatoid and the other trabecular. |
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Papillary carcinoma arising from a thyroglossal duct cyst |
p. 120 |
S Smiti, Nabil Sherif Mahmood DOI:10.4103/0971-3026.50828 PMID:19881066This report describes a case of papillary carcinoma arising from a thyroglossal duct cyst (TDC) in a young woman. Imaging showed a heterogeneous cystic lesion at the level of the hyoid, with calcifications and enhancing septae. We compared the USG, CT scan, and MRI findings with those reported previously in literature and we conclude that the presence of a midline cystic lesion with calcification in a young adult should arouse suspicion of papillary carcinoma in a TDC. |
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Pachydermoperiostosis or primary hypertrophic osteoarthropathy: A rare clinicoradiologic case |
p. 123 |
Rajul Rastogi, GN Suma, Ravi Prakash, Umesh Chandra Rastogi, Sumeet Bhargava, Vaibhav Rastogi DOI:10.4103/0971-3026.50829 PMID:19881067Pachydermoperiostosis (PDP) or primary hypertrophic osteoarthropathy is a rare syndrome with diverse radiological and clinical features. Though the diagnosis can be made on the basis of the classic clinical and radiological features, it is often missed due to variable presentations. A case of PDP that presented with dental complaints and had almost all the clinical and radiological features described in literature is reported. We also discuss the differential diagnosis. |
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Dynamic MRI of the vocal cords using phased-array coils: A feasibility study |
p. 127 |
Marc Schlamann, Götz Lehnerdt, Stefan Maderwald, Susanne Ladd DOI:10.4103/0971-3026.50830 PMID:19881068Objective: Endoscopy for evaluation of hoarseness is an invasive procedure and the result depends, to a large extent, on the patient's cooperation. Successful laryngoscopy can also be hampered by unfavourable anatomic conditions, a severely impaired general condition, or severe coagulopathy. We evaluated the feasibility of doing ultra-fast magnetic resonance imaging (MRI), using a recent dedicated coil design and a sequence with inherently high signal-to-noise ratios (SNR), for the detection of motility disorders of the vocal cords. Materials and Methods: Twelve consecutive patients (eight males and four females) in the age range of 24-80 years (mean age 60 years) with persistent hoarseness and presumed vocal cord palsy were included in this blinded prospective study. Two two-element phased-array carotid coils were used for signal reception. The first coronal real-time steady-state free precession (SSFP) sequence was performed during silence (i.e., with no vocal cord motion) and the second while phonating 'heee.' Qualitative MRI findings were compared with the results of the endoscopic examination. Results: The examination time for setup, patient instruction and positioning, localization scans, and real-time SSFP scans was less than 10 min. Seven patients with laryngoscopically-confirmed unilateral palsy of the vocal cord were correctly identified with MRI. The five remaining patients had hoarseness due to causes other than vocal cord palsy; they showed normal motion of the vocal cords on MRI and endoscopy. Conclusion: Compared to preceding studies, the image quality in this study is supported by excellent SNR (carotid phased-array coils and SSFP sequence with higher SNR if compared to a spoiled gradient-echo sequence or an EPI sequence). Further studies, with larger groups of patients, are necessary to show if this protocol can serve as an alternative to endoscopy in selected cases. |
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DISH of the cervical spine causing epiglottis impingement |
p. 132 |
Tommaso Bartalena, Francesco Buia, Alberto Borgonovi, Maria Francesca Rinaldi, Cecilia Modolon, Francesco Bassi DOI:10.4103/0971-3026.50831 PMID:19881069Diffuse idiopathic skeletal hyperostosis (DISH) is a condition characterized by calcification and ossification of ligaments and entheses; it mainly affects the vertebral column. We report the case of a patient with pharyngeal dysphagia and episodic aspiration secondary to DISH involvement of the cervical spine, which had caused alteration in the epiglottic tilt mechanism during deglutition. |
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NEURORADIOLOGY |
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Twenty classic signs in neuroradiology: A pictorial essay  |
p. 135 |
Govind B Chavhan, Manohar M Shroff DOI:10.4103/0971-3026.50835 PMID:19881070In this article we describe 20 classic signs in neuroradiology and provide illustrations of each; we also discuss the causes for their appearance, their reliability and sensitivity, and the differential diagnoses to be considered when they are encountered on imaging. |
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Unilateral cerebellar hypoplasia |
p. 146 |
JD Vagh, Ajit Gadekar, Amit Agrawal, Kirti Deshmukh DOI:10.4103/0971-3026.50838 PMID:19881071Unilateral cerebellar hypoplasia is a relatively rare malformation. We report the case of a 7-year-old boy who presented with a history of a fall, which was followed by cerebellar signs. Imaging findings suggested a diagnosis of unilateral cerebellar hypoplasia. The child recovered with conservative management, probably because the cerebellar signs were due to the trauma and not the hypoplasia itself. |
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Long-segment intramedullary spinal dermoid |
p. 148 |
NC Sharma, Tushar Chandra, Anshu Sharma, Manish Bajaj, Ravinder Kundu DOI:10.4103/0971-3026.50840 PMID:19881072A 30-year-old man presented with a fairly large intramedullary mass lesion involving virtually the entire spinal cord. It was hyperintense on both T1W and T2W sequences, with signal suppression on fat-saturation images. Subsequent noncontrast CT scan of the spine confirmed the presence of fat and calcification within the lesion, thus leading to the diagnosis of an intramedullary dermoid. |
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Extraosseous Ewing's sarcoma / primitive neuroectodermal tumor of the sacral nerve plexus |
p. 151 |
MK Narula, Nishant Gupta, Rama Anand, Sudhir Kapoor DOI:10.4103/0971-3026.50841 PMID:19881073We report an unusual case of Ewing's sarcoma / primitive neuroectodermal tumor (PNET) of the sacral nerve plexus in a 9-year-old boy who presented with a soft tissue swelling and severe piercing pain in the lower back region. MRI of the lumbosacral spine showed a lobulated soft tissue mass with clubbed finger-like projections along the path of the sacral nerves, which had caused widening of the spinal canal and the sacral foramina (S2-S4 level). There was presacral extension and posterior scalloping of the sacral vertebrae. Histopathology of the lesion confirmed Ewing's sarcoma / PNET of the sacral spinal nerve plexus. The patient responded favorably to chemotherapy and radiotherapy, showing clinical and radiological improvement. |
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MUSCULOSKELETAL |
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Deferiprone-induced arthropathy in thalassemia: MRI findings in a case |
p. 155 |
Gyan Chand, Veena Chowdhury, A Manchanda, Sapna Singh DOI:10.4103/0971-3026.50839 PMID:19881074Arthropathy is a well known side effect of the iron chelator deferiprone (L1); however, the imaging findings in deferiprone-induced arthropathy are not well known. In this article, we describe the typical radiographic and MRI findings in a patient receiving regular blood transfusions who developed arthropathy after long-term therapy with the oral iron chelator deferiprone (L1). Deferiprone primarily affects the articular cartilage and the changes include synovial thickening, articular cartilage thickening, and subchondral bone erosions. |
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Images - Extra (too many) carpal bones in Larsen's syndrome |
p. 158 |
Mukund D Rahalkar, Anand M Rahalkar, Sandeep A Patwardhan DOI:10.4103/0971-3026.50837 PMID:19881075Multiple carpal bones may be seen in different syndromes, especially Larsen's syndrome. A case of Larsen's syndrome with many typical features and "too many" carpal bones, is described. |
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SPECIAL SYMPOSIUM - BREAST |
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Guest Editorial: Symposium breast |
p. 160 |
Bijal Jankharia DOI:10.4103/0971-3026.50836 PMID:19881076 |
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MRI for breast cancer: Current indications |
p. 161 |
Haydee Ojeda-Fournier, Christopher E Comstock DOI:10.4103/0971-3026.48431 PMID:19881077Mammography is the only imaging study that has been proven in multiple large randomized trials to decrease breast cancer mortality. Mammography, however, has its limitations and, as such, other modalities that can complement it are being studied. One of these is dynamic contrast-enhanced breast MRI, which has emerged as an important adjunctive modality and is at present the most sensitive modality that we have to evaluate the breast. The American College of Radiology, in its 2004 practice guidelines, has outlined the 12 current indications for breast MRI. This manuscript reviews and provides examples of each of these. |
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Lupus mastitis - peculiar radiological and pathological features |
p. 170 |
Abdul Majid Wani, Waleed Mohd Hussain, Mohamed I Fatani, Bothaina Abdul Shakour DOI:10.4103/0971-3026.50834 PMID:19881078Lupus mastitis is a form of lupus profundus that is seen in patients with systemic lupus erythematosus. It usually presents as a swelling (or swellings) in the breasts, with or without pain. The condition is recurrent and progresses along with the underlying disease, with fat necrosis, calcification, fibrosis, scarring, and breast atrophy. Lupus mastitis is often confused with malignancy and lymphoma and, in our part of the world, with tuberculosis. Confusion is especially likely when it occurs in an unusual clinical setting. In this article, we present a case that presented with unique radiological, pathological, and clinical features. Awareness of the various manifestations of lupus mastitis is essential if unnecessary interventions such as biopsies and surgeries, and their consequences, are to be avoided. |
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WEB REVIEW |
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Web review: Breast imaging |
p. 173 |
IK Indrajit PMID:19881079 |
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