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Shiraj S, Winalski CS, Delzell P, Sundaram M. Radiologic case study. Intersection syndrome of the wrist. Orthopedics 2013; 36:165, 225-7. [PMID: 23464931 DOI: 10.3928/01477447-20130222-01] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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77
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Ilaslan H, Bilenler A, Schils J, Ricchetti ET, Sundaram M. Pseudoparalysis of shoulder caused by glenohumeral interposition of rotator cuff tendon stumps: a rare complication of posterior shoulder dislocation. Skeletal Radiol 2013; 42:135-9. [PMID: 22782290 DOI: 10.1007/s00256-012-1478-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Revised: 06/08/2012] [Accepted: 06/12/2012] [Indexed: 02/02/2023]
Abstract
Magnetic resonance imaging (MRI) findings of a rare complication of posterior glenohumeral dislocation are described in two patients which led to shoulder dysfunction caused by interposition of rotator cuff tendon(s) into the glenohumeral joint. Both patients underwent successful surgical fixation and now have returned to normal shoulder function.
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Varughese S, Sundaram M, Basu G, David VG, Mohapatra A, Alexander S, Tamilarasi V. Percutaneous PD catheter insertion after past abdominal surgeries. Indian J Nephrol 2012; 22:230-1. [PMID: 23087566 PMCID: PMC3459535 DOI: 10.4103/0971-4065.98785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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79
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Tyson S, Delzell P, Subhas N, Sundaram M. Radiologic case study. Orthopedics 2012; 35:829, 907. [PMID: 23027470 DOI: 10.3928/01477447-20120919-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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80
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Freire M, Rubin B, Lietman S, Sundaram M. Solitary glomus tumor recurring as multiple glomus tumors. Skeletal Radiol 2012; 41:1333-7. [PMID: 22733358 DOI: 10.1007/s00256-012-1410-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 03/26/2012] [Accepted: 03/29/2012] [Indexed: 02/02/2023]
Abstract
Most glomus tumors arise as a single nodule. However, up to 10 % of glomus tumors may be multiple. We report a case in which a single glomus tumor of the leg that evolved several years after surgery to multiple glomus tumors requiring additional resections.
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81
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82
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Sakamoto FA, Winalski CS, Rodrigues LCL, Fernandes ARC, Bortoletto A, Sundaram M. Radiologic case study. Orthopedics 2012; 35:353-437. [PMID: 22588390 DOI: 10.3928/01477447-20120426-01] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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83
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Sundaram M. Antitumor activity of ethanol extract of Gracilaria edulis (Gmelin) Silva on Ehrlich ascites carcinoma-bearing mice. ACTA ACUST UNITED AC 2012; 10:430-5. [DOI: 10.3736/jcim20120412] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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84
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Abstract
Sarcomas are the most common nonhematologic primary malignancies of bones in the pelvis. Chondrosarcoma, osteosarcoma, and Ewing's sarcoma are the most common sarcomas to originate from the pelvic bones. Various imaging modalities such as magnetic resonance imaging and computed tomography play an important role in the detection, characterization, and staging of these lesions. Biopsy, usually performed with imaging guidance, is essential for the histologic diagnosis of these tumors and for planning therapeutic options. Despite considerable advances in treatment options, sarcomas in the pelvic bones generally are associated with poorer outcomes than sarcomas in the appendicular skeleton because of the larger size of the lesions at the time of discovery and the difficulty of obtaining a wide surgical resection margin. In this review, we discuss the various types of pelvic bone sarcomas and the role of imaging in patients with these lesions.
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Freire M, Winalski CS, Miniaci A, Sundaram M. Radiologic case study. Avulsion of the right adductor longus from the symphysis pubis. Orthopedics 2012; 35:85, 158-60. [PMID: 22300988 DOI: 10.3928/01477447-20120123-33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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86
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87
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Sundaram M, Ramar K, Arumugam N, Prabin G. Histogram-modified local contrast enhancement for mammogram images. INTERNATIONAL JOURNAL OF BIOMEDICAL ENGINEERING AND TECHNOLOGY 2012. [DOI: 10.1504/ijbet.2012.047371] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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88
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Patrick JH, Stahl ST, Sundaram M. Disordered Eating and Psychological Distress among Adults. Int J Aging Hum Dev 2011; 73:209-26. [PMID: 22272506 DOI: 10.2190/ag.73.3.b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The majority of our knowledge about eating disorders derives from adolescent and young adult samples; knowledge regarding disordered eating in middle and later adulthood is limited. We examined the associations among known predictors of eating disorders for younger adults in an age-diverse sample and within the context of psychological distress. Using data from 567 adults (ages 18 to 88 years), we tested a path model in which age, gender, eating-related cognitions, and satisfaction with appearance predicted eating disorders which, in turn, predicted psychological distress. The model fit the data well (χ2 (DF= 11, N = 567) = 30.58, p < .001; GFI = .987, NFI = .963; RMSEA = .056), explaining 20.1% of the variance in psychological distress.
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89
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Safikhani S, Sundaram M, Bao Y, Mulani P, Revicki DA. Qualitative assessment of the content validity of the Dermatology Life Quality Index in patients with moderate to severe psoriasis. J DERMATOL TREAT 2011; 24:50-9. [PMID: 22007701 DOI: 10.3109/09546634.2011.631980] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND The patient-reported Dermatology Life Quality Index (DLQI) measures the impact of dermatologic diseases on patients' lives. OBJECTIVES To evaluate the content validity of the DLQI in patients with moderate to severe plaque psoriasis. METHODS In a two-part interview, participants were first asked open-ended questions about the impact of psoriasis-related complaints and symptoms on their lives and activities. The DLQI was then administered and cognitive debriefing interviews assessed participants' understanding of the instructions, items, and response scales, and relevance of the specific items to their experience with psoriasis. RESULTS Twenty-one patients were interviewed at two US sites. Mean age was 48.8 years, 67% were white, and 43% reported Hispanic/Latino ethnicity. The majority reported living with a partner or spouse (81%) and working full time or part time (57%). Patients' spontaneous responses to open-ended questions were consistent with DLQI concepts and generally did not provide additional concepts. Most participants reported that the instructions, item content, and response scales were clear and easy to understand and relevant. CONCLUSIONS The content of the DLQI included all important and relevant concepts from the perspective of patients with moderate to severe plaque psoriasis. This study provides further support for the content validity of the DLQI in this population.
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Sundaram M, Sinha R. Total Laparoscopic Hysterectomy with Harmonic Ultracision. J Minim Invasive Gynecol 2011. [DOI: 10.1016/j.jmig.2011.08.580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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92
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Fritchie K, Mannava S, Sundaram M. Radiologic case study. Orthopedics 2011; 34:829, 912-4. [PMID: 22050245 DOI: 10.3928/01477447-20110922-38] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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93
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Rajiah P, Ilaslan H, Sundaram M. Imaging of primary malignant bone tumors (nonhematological). Radiol Clin North Am 2011; 49:1135-61, v. [PMID: 22024292 DOI: 10.1016/j.rcl.2011.07.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Primary malignant bone tumors are uncommon and are diagnosed typically based on radiographic and microscopic findings combined with clinical and demographic features. CT and MR imaging scans are useful in further staging the tumors by determining intraosseous and extraosseous spread.
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94
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Neelakantan MA, Sundaram M, Nair MS. Synthesis, spectral and thermal studies of some transition metal mixed ligand complexes: modeling of equilibrium composition and biological activity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 79:1693-1703. [PMID: 21676646 DOI: 10.1016/j.saa.2011.05.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2011] [Revised: 04/22/2011] [Accepted: 05/16/2011] [Indexed: 05/30/2023]
Abstract
Several mixed ligand Ni(II), Cu(II) and Zn(II) complexes of 2-amino-3-hydroxypyridine (AHP) and imidazoles viz., imidazole (him), benzimidazole (bim), histamine (hist) and L-histidine (his) have been synthesized and characterized by elemental and spectral (vibrational, electronic, 1H NMR and EPR) data as well as by magnetic moment values. On the basis of elemental analysis and molar conductance values, all the complexes can be formulated as [MAB]Cl except histidine complexes as MAB. Thermogravimetric studies reveal the presence of coordinated water molecules in most of the complexes. From the magnetic measurements and electronic spectral data, octahedral structure was proposed for Ni(II) and Cu(II)-AHP-his, tetrahedral for Cu(II)-AHP-him/bim/hist, but square planar for the Cu(II)-AHP complex. The g∥/A∥ calculated supports tetrahedral environment around the Cu(II) in Cu(II)-AHP-him/bim/hist and distorted octahedral for Cu(II)-AHP-his complexes. The morphology of the reported metal complexes was investigated by scanning electron micrographs (SEM). The potentiometric study has been performed in aqueous solution at 37 °C and I=0.15 mol dm(-3) NaClO4. MABH, MAB and MAB2 species has been identified in the present systems. Proton dissociation constants of AHP and stability constants of metal complexes were determined using MINIQUAD-75. The most probable structure of the mixed ligand species is discussed based upon their stability constants. The in vitro biological activity of the complexes was tested against the Gram positive and Gram negative bacteria, fungus and yeast. The oxidative DNA cleavage studies of the complexes were performed using gel electrophoresis method. Cu(II) complexes have been found to promote DNA cleavage in presence of biological reductant such as ascorbate and oxidant like hydrogen peroxide.
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Sundaram M, Rosenthal DI, Hodler J. Skeletal Radiology turns 40. Skeletal Radiol 2011; 40:1131. [PMID: 21847743 DOI: 10.1007/s00256-011-1221-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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96
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97
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Rajiah P, Hayashi R, Bauer TW, Sundaram M. Extramedullary hematopoiesis in unusual locations in hematologically compromised and noncompromised patients. Skeletal Radiol 2011; 40:947-53. [PMID: 21340448 DOI: 10.1007/s00256-011-1129-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Revised: 01/31/2011] [Accepted: 02/07/2011] [Indexed: 02/02/2023]
Abstract
Extramedullary hematopoiesis (EMH) occurs as a compensatory reaction to an underlying hematologic abnormality. EMH is most commonly seen in the liver and spleen but rarely has been reported in other locations, as well. On rare occasions, EMH may mimic a neoplasm in hematologically noncompromised patients. In this report, we present three cases of EMH in unusual locations, two in the presacral soft tissue and one in the synovial lining of the knee joint. The patients with presacral masses had no hematologic abnormality. In all patients with EMH, imaging plays an important role in both localization of the lesion and guidance for the biopsy; when imaging results are correlated with histological findings, the diagnosis of EMH can be confirmed.
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Koplas MC, Schneider E, Sundaram M. Prevalence of triceps tendon tears on MRI of the elbow and clinical correlation. Skeletal Radiol 2011; 40:587-94. [PMID: 20953605 DOI: 10.1007/s00256-010-1043-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2010] [Revised: 08/10/2010] [Accepted: 09/21/2010] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Triceps tendon injuries are reported to be very rare. To our knowledge, there have been no studies describing its prevalence or injury patterns on MR imaging. The purpose of this retrospective study was to determine the prevalence and patterns of triceps injuries based on a large series of consecutive MR examinations. Clinical correlation was obtained. MATERIALS AND METHODS From 801 consecutive elbow MR examinations over a 15-year period, 28 patients with 30 triceps tendon injuries were identified and graded as partial tendon tear and complete tendon tear. The patients' medical records were reviewed to determine age, gender, cause of tears, and management. RESULTS The prevalence of triceps tendon injuries was 3.8%. There were 5 women and 23 men with partial or complete tears (mean age: 46.6 years; range: 2.7 to 75.1 years). The most common injury was partial tear, found in 18 patients. There were 10 patients with 12 complete tears (2 had re-torn following surgical repair). A tear was suspected in 12 out 28 (43%) patients prior to the MRI. The most common presenting symptom was pain. The most common cause was athletic injury (8 patients [29%], including weightlifting [2 patients]). Tendon tear was found to be a complication of infection in 6 patients, and in 3 patients the tears were a complication of steroid use. Thirteen tendon tears were surgically repaired (8 of these were complete tears). CONCLUSIONS Triceps tendon injury is not as rare as commonly reported and may often be clinically underdiagnosed.
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Rajiah P, Ilaslan H, Sundaram M. Radiologic case study. Calcific tendinitis of the rectus femoris with intraosseous extension of calcification. Orthopedics 2011; 34:329. [PMID: 21553737 DOI: 10.3928/01477447-20110317-32] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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