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Bahrami M, Mohammadi H, Mirgaloyebayat H, Mohajeri Z, Fazeli P, Mojahedi A, Afsharirad A, Tavakoli R, Sadeghian A, Nourian SMA. The role of 18F-fluorodeoxyglucose PET/computed tomography in the diagnosis and monitoring of large vessel vasculitides - a review article. AMERICAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING 2023; 13:127-135. [PMID: 37736492 PMCID: PMC10509293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/13/2023] [Indexed: 09/23/2023]
Abstract
In the last two decades, advancements in positron emission tomography (PET) technology have increased the diagnostic accuracy of patients with large-vessel vasculitis (LVV). Numerous systematic reviews and meta-analyses have been conducted, and patients suspected of having LVV can be diagnosed earlier with 18F-FDG PET. Two subtypes, giant cell arteritis (GCA) and Takayasu arteritis (TA), will progress when their response to corticosteroids and enhanced immunosuppression is inadequate. In the majority of patients, disease activity cannot be monitored solely through laboratory procedures; consequently, glucose metabolism may be a source of potential biomarkers. In this article, we discuss the current state of 18F-FDG PET/CT imaging standards.
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Affiliation(s)
- Mahshid Bahrami
- Department of Radiology, Isfahan University of Medical SciencesIsfahan, Iran
| | - Hossein Mohammadi
- School of Medicine, Isfahan University of Medical SciencesIsfahan, Iran
| | | | - Zahra Mohajeri
- Faculty of Medicine, Isfahan University of Medical SciencesIsfahan, Iran
| | - Pooya Fazeli
- School of Medicine, Isfahan University of Medical SciencesIsfahan, Iran
| | - Azad Mojahedi
- Department of Internal Medicine, Stony Brook University HospitalStony Brook, NY 10041, USA
| | - Ali Afsharirad
- Department of General Surgery, Imam Khomeini Hospital, Tehran University of Medical SciencesTehran, Iran
| | - Reza Tavakoli
- Department of Radiology, Arak University of Medical SciencesArak, Iran
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Kim SH, Erikson A, Woodfield D, DeMott C. A Rare Case of Abiotrophia Endocarditis-Associated Glomerulonephritis Mimicking ANCA Vasculitis. J Gen Intern Med 2023; 38:806-809. [PMID: 36460879 PMCID: PMC9971404 DOI: 10.1007/s11606-022-07960-0] [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] [Received: 06/24/2022] [Accepted: 11/15/2022] [Indexed: 12/04/2022]
Affiliation(s)
- Seo Hyun Kim
- Virginia Tech Carilion School of Medicine, Roanoke, VA, USA.
| | - Alexander Erikson
- Department of Internal Medicine, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA
| | - David Woodfield
- Department of Internal Medicine, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA
| | - Chad DeMott
- Department of Internal Medicine, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA
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Ghosh GC, Sharma B, Katageri B, Bhardwaj M. ANCA positivity in a patient with infective endocarditis-associated glomerulonephritis: a diagnostic dilemma. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2014; 87:373-7. [PMID: 25191152 PMCID: PMC4144291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Glomerulonephritis (GN) is an immunological phenomenon in bacterial endocarditis. These may be pauci-immune/vasculitic GN, post-infective GN, and sub-endothelial membranoproliferative glomerulonephritis. Each type of glomerulonephritis usually occurs in isolation. We report a case of infective endocarditis with dual existence of pauci-immune/vasculitic GN and post infective type of GN at the same time.
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Affiliation(s)
- Gopal Chandra Ghosh
- Resident, Department of Internal Medicine, PGIMER, Dr. Ram Manohar Lohia Hospital, New Delhi, India,To whom all correspondence should be addressed: Dr. Gopal Chandra Ghosh, MD, Resident, Department of Internal Medicine, PGIMER, Dr. Ram Manohar Lohia Hospital, New Delhi, India; Tele: +918800480599;
| | - Brijesh Sharma
- Associate Professor, Department of Internal Medicine, PGIMER, Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Bhimarey Katageri
- Postgraduate Student, Department of Internal Medicine, PGIMER, Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Minakshi Bhardwaj
- Department of Pathology, PGIMER, Dr. Ram Manohar Lohia Hospital, New Delhi, India
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Najem C, Sfeir M, Estrada E, Mbuyi N, Valicenti D, Reginato AM. An unusual case of hematuria. Arthritis Care Res (Hoboken) 2014; 66:1119-26. [PMID: 24578326 DOI: 10.1002/acr.22315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 02/18/2014] [Indexed: 11/06/2022]
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Succar L, Lai-Kwon J, Nikolic-Paterson DJ, Rangan GK. Induction monotherapy with sirolimus has selected beneficial effects on glomerular and tubulointersititial injury in nephrotoxic serum nephritis. Int J Nephrol Renovasc Dis 2014; 7:303-13. [PMID: 25071375 PMCID: PMC4111659 DOI: 10.2147/ijnrd.s64202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background The study aimed to test the hypothesis that therapeutic treatment with a mammalian target of rapamycin complex 1 inhibitor reduces renal cell proliferation and attenuates glomerular and tubulointerstitial injury in the early phase of nephrotoxic serum nephritis (NSN) in rats. Methods Male Wistar-Kyoto rats received a single tail-vein injection of sheep anti-rat glomerular basement membrane serum (day 0) and were treated with vehicle or sirolimus (0.25 mg/kg/day by subcutaneous injection) from day 1 until day 14. Results Treatment with sirolimus attenuated kidney enlargement by 41% (P<0.05), improved endogenous creatinine clearance by 50% (P<0.05), and reduced glomerular and tubulointerstitial cell proliferation by 53% and 70%, respectively, (P<0.05 compared to vehicle) in rats with NSN. In glomeruli, sirolimus reduced segmental fibrinoid necrosis by 69%, autologous rat immunoglobulin G deposition, glomerular capillary tuft enlargement, and periglomerular myofibroblast (α-smooth muscle actin-positive cells) accumulation (all P<0.05) but did not significantly affect glomerular crescent formation (P=0.15), macrophage accumulation (P=0.25), or the progression of proteinuria. In contrast, sirolimus preserved tubulointerstitial structure and attenuated all markers of injury (interstitial ED-1- and α-smooth muscle actin-positive cells and tubular vimentin expression; all P<0.05). By immunohistochemistry and Western blot analysis, sirolimus reduced the glomerular and tubulointerstitial expression of phosphorylated (Ser 235/236) S6-ribosomal protein (P<0.05). Conclusion Induction monotherapy with sirolimus suppressed target of rapamycin complex 1 activation, renal cell proliferation, and injury during the early stages of rodent NSN, but the degree of histological protection was more consistent in the tubulointerstitium than the glomerular compartment.
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Affiliation(s)
- Lena Succar
- Centre for Transplant and Renal Research, Westmead Millennium Institute, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - Julia Lai-Kwon
- Centre for Transplant and Renal Research, Westmead Millennium Institute, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - David J Nikolic-Paterson
- Department of Nephrology and Monash University Department of Medicine, Monash Medical Centre, Clayton, VIC, Australia
| | - Gopala K Rangan
- Centre for Transplant and Renal Research, Westmead Millennium Institute, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
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Nasri H, Madihi Y, Merrikhi A, Gheissari A, Baradaran A, Kheiri S, Rafieian-Kopaei M. Association of proteinuria with various clinical findings and morphologic variables of oxford classification in immunoglobulin a nephropathy patients. Int J Prev Med 2013; 4:546-51. [PMID: 23930165 PMCID: PMC3733185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Accepted: 03/04/2013] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) with nephrotic syndrome is an uncommon form of IgAN. Clinical and morphological characteristics of proteinuria in IgAN, especially when is in nephrotic range have not yet been fully examined. This study was aimed to correlate morphologic variables of the Oxford classification, and various clinical data with proteinuria in IgAN patients. We also aimed to demonstrate the significance of prevention of proteinuria as one of the important factors in progression of this disease. METHODS In an observational study conducted on IgAN patients, total of 114 biopsies were entered in the study. IgAN was diagnosed by light and immunofluorescence study. RESULTS Of 114 patients 70.2% were male. Mean age of patients was 37.7 ± 13.6 years. The mean of proteinuria was 1742 ± 1324 mg/day. Also mean of serum creatinine (Cr) was 1.6 ± 1.5 mg/dL. Of 114 patients, 11(9.6%) had nephrotic range proteinuria. In this study, there was a positive correlation between proteinuria and serum Cr, peri-glomerular fibrosis or interstitial fibrosis. There was a positive association between proteinuria and totally sclerotic glomeruli too. There was also a positive association between the amount of fibrous crescents and the level of proteinuria. Nephrotic proteinuria could just be seen in male patients. Also, nephrotic syndrome had a positive association with the number of crescents. CONCLUSIONS Our findings firstly support the prognostic value of crescent due to its association with proteinuria and secondly imply the importance of treatment of proteinuria to prevent progression of IgAN.
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Affiliation(s)
- Hamid Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Yahya Madihi
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Merrikhi
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Allaleh Gheissari
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azar Baradaran
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Soleiman Kheiri
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
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