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Murahashi M, Ntege EH, Higa M, Maruyama N, Kawano T, Shimizu Y, Nakamura H. Management of temporomandibular joint diseases: a rare case report of coexisting calcium pyrophosphate crystal deposition and synovial chondromatosis. BMC Oral Health 2022; 22:662. [PMID: 36587200 PMCID: PMC9805689 DOI: 10.1186/s12903-022-02695-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND The coexistence of calcium pyrophosphate dihydrate crystal deposition (CPP) and synovial chondromatosis (SC) in the temporomandibular joint (TMJ) is rarely reported. CPP disease (CPPD) is complex arthritis synonymous with excessive pyrophosphate production and variable aberrations in mineral and organic phase metabolism of the joint cartilage, leading to local inundated CPP and crystal deposition of partially deciphered predispositions. Meanwhile, SC is a rare benign synovial joint proliferative disease of unclear etiology and has a low risk of malignant transformation. However, SC manifests severe joint disability and dysfunction because of connective tissue metaplasia of the synovial membrane, which forms cartilaginous nodules with or without calcifications or ossifications. These nodules often detach and form intra-articular loose bodies and very rarely within extraarticular spaces. CASE PRESENTATION We report the case of a 61-year-old man to expand the body of literature on these unusual coexisting arthropathies of the TMJ. The patient presented to our hospital in 2020 with complaints of pain in the right TMJ and trismus for over 6 months. Radiographic assessments of the TMJ provided a preoperative provisional diagnosis of SC. However, the histopathology of the open biopsy revealed tumor-like lesions comprising several deposits of rhomboid and rod-shaped crystals that displayed positive birefringence in polarized light, confirming a coexistence of CPPD. A second-stage operation was performed for the complete removal of the loose bodies and chalk-like lesions including synovectomy. No evidence of recurrence was recorded after a follow-up of nearly 1.5 years. CONCLUSIONS Isolated CPPD and SC of the TMJ are prevalent in the literature however, monoarticular coexistence of these diseases is rare, due to the lack of consistency in the diagnostic criteria in clinical practice. Moreover, optimal treatment depends on several considerations. This report delineated the molecular etiopathology and underscored the need for continued deciphering of the causal mechanisms of coexisting CPPD and SC of the TMJ. In addition, the importance of confirmatory testing for accurate diagnosis, and appropriate management of these diseases were discussed.
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Affiliation(s)
- Makoto Murahashi
- Department of Oral and Maxillofacial Surgery, Chubu Tokushukai Hospital, 801 Higa, Kitanakagusuku, Nakagami-gun, Okinawa-ken 901-2393 Japan ,grid.267625.20000 0001 0685 5104Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
| | - Edward Hosea Ntege
- grid.267625.20000 0001 0685 5104Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan ,grid.267625.20000 0001 0685 5104Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
| | - Masaru Higa
- Department of Oral and Maxillofacial Surgery, Chubu Tokushukai Hospital, 801 Higa, Kitanakagusuku, Nakagami-gun, Okinawa-ken 901-2393 Japan
| | - Nobuyuki Maruyama
- Department of Oral and Maxillofacial Surgery, Chubu Tokushukai Hospital, 801 Higa, Kitanakagusuku, Nakagami-gun, Okinawa-ken 901-2393 Japan ,grid.267625.20000 0001 0685 5104Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
| | - Toshihiro Kawano
- grid.267625.20000 0001 0685 5104Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
| | - Yusuke Shimizu
- grid.267625.20000 0001 0685 5104Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
| | - Hiroyuki Nakamura
- grid.267625.20000 0001 0685 5104Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nakagami, Nishihara, Okinawa 903-0215 Japan
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Gharavi SM, Qiao Y, Faghihimehr A, Vossen J. Imaging of the Temporomandibular Joint. Diagnostics (Basel) 2022; 12:diagnostics12041006. [PMID: 35454054 PMCID: PMC9031630 DOI: 10.3390/diagnostics12041006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/01/2022] [Accepted: 04/14/2022] [Indexed: 12/14/2022] Open
Abstract
Temporomandibular disorder (TMD) is a common musculoskeletal condition that causes pain and disability for patients and imposes a high financial burden on the healthcare system. The most common cause of TMD is internal derangement, mainly secondary to articular disc displacement. Multiple other pathologies such as inflammatory arthritis, infection, and neoplasm can mimic internal derangement. MRI is the modality of choice for evaluation of the TMJ. Radiologists need to be familiar with the normal anatomy and function of the TMJ and MR imaging of the internal derangement and other less common pathologies of the TMJ.
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Terauchi M, Uo M, Fukawa Y, Yoshitake H, Tajima R, Ikeda T, Yoda T. Chemical Diagnosis of Calcium Pyrophosphate Deposition Disease of the Temporomandibular Joint: A Case Report. Diagnostics (Basel) 2022; 12:diagnostics12030651. [PMID: 35328204 PMCID: PMC8947689 DOI: 10.3390/diagnostics12030651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/04/2022] [Accepted: 03/05/2022] [Indexed: 11/16/2022] Open
Abstract
Calcium pyrophosphate dihydrate (CPPD) deposition disease is a benign disorder characterized by acute gouty arthritis-like attacks and first reported by McCarty. CPPD deposition disease rarely occurs in the temporomandibular joint (TMJ), and although confirmation of positive birefringence by polarized light microscopy is important for diagnosis, it is not reliable because other crystals also show birefringence. We reported a case of CPPD deposition disease of the TMJ that was diagnosed by chemical analysis. A 47-year-old man with a chief complaint of persistent pain in the right TMJ and trismus was referred to our department in 2020. Radiographic examination revealed destruction of the head of the mandibular condyle and cranial base with a neoplastic lesion involving calcification tissue. We suspected CPPD deposition disease and performed enucleation of the white, chalky masses. Histopathologically, we confirmed crystal deposition with weak birefringence. SEM/EDS revealed that the light emitting parts of Ca and P corresponded with the bright part of the SEM image. Through X-ray diffraction, almost all peaks were confirmed to be CPPD-derived. Inductively coupled plasma atomic emission spectroscopy revealed a Ca/P ratio of nearly 1. These chemical analyses further support the histological diagnosis of CPPD deposition disease.
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Affiliation(s)
- Masahiko Terauchi
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (H.Y.); (R.T.); (T.Y.)
- Correspondence: ; Tel.: +81-3-5803-5500
| | - Motohiro Uo
- Department of Advanced Biomaterials, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan;
| | - Yuki Fukawa
- Department of Oral Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (Y.F.); (T.I.)
| | - Hiroyuki Yoshitake
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (H.Y.); (R.T.); (T.Y.)
| | - Rina Tajima
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (H.Y.); (R.T.); (T.Y.)
| | - Tohru Ikeda
- Department of Oral Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (Y.F.); (T.I.)
| | - Tetsuya Yoda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (H.Y.); (R.T.); (T.Y.)
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Forlizzi JM, Ryan JM, Galow KE, Shang AC, Polakoff DR. Acute pseudogout presenting as an exception to Musculoskeletal Infection Society criteria in total knee arthroplasty: a case report. AME Case Rep 2020; 4:21. [PMID: 33178993 DOI: 10.21037/acr-20-82] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 05/22/2020] [Indexed: 12/17/2022]
Abstract
In this case, a 78-year-old female with no previous medical history of crystalline arthropathy presented with pain, effusion, and erythema about a total knee arthroplasty (TKA) performed 13 years prior. Implementation of a novel synovial fluid alpha-defensin assay ruled out periprosthetic joint infection (PJI) despite a positive 2018 Musculoskeletal Infection Society (MSIS) minor criteria score of 8 points, a significant diagnostic differentiation which prevented secondary invasive debridement or joint irrigation intervention. Confirmatory histologic study was positive for calcium pyrophosphate crystals, indicative of acute pseudogout inflammation rather than PJI or septic arthritis manifestation. The patient was then conservatively managed medically for a pseudogout flare and had no evidence of infection with normal physical exam and laboratory study at one- and two-years post treatment, respectively. Given the predominantly clinical nature of current PJI assessment in-clinic coupled with notable risks associated with aggressive re-intervention in the setting of suspected infection, critical need exists for the maturation of sensitive, reliable empiric measures which may assist in guiding orthopaedic surgeon evaluation of patients presenting with inflammatory symptomology around a previous surgical site. In this case, we conclude that patients with a negative alpha-defensin assay alongside crystalline arthropathy on histology may be cautiously yet successfully treated non-operatively despite clinical MSIS criteria concerning for PJI.
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Affiliation(s)
| | - James M Ryan
- Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | | | - Aaron C Shang
- University of Oxford Medical Sciences Division, Oxford, Oxfordshire, UK.,Hackensack Meridian School of Medicine, Nutley NJ, USA
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Gomez Serrano M, Anne Watson N, Selvadurai D. A description of unilateral conductive hearing loss from pseudogout: a case report and review of the literature. JRSM Open 2020; 11:2054270419894818. [PMID: 32523704 PMCID: PMC7236574 DOI: 10.1177/2054270419894818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Kwon KJ, Seok H, Lee JH, Kim MK, Kim SG, Park HK, Choi HM. Calcium pyrophosphate dihydrate deposition disease in the temporomandibular joint: diagnosis and treatment. Maxillofac Plast Reconstr Surg 2018; 40:19. [PMID: 30206535 PMCID: PMC6081829 DOI: 10.1186/s40902-018-0158-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 07/09/2018] [Indexed: 12/11/2022] Open
Abstract
Background Calcium pyrophosphate dihydrate deposition disease (CPDD) is a rare disease in the temporomandibular joint (TMJ) space. It forms a calcified crystal mass and induces a limitation of joint movement. Case presentation The calcified mass in our case was occupied in the left TMJ area and extended to the infratemporal and middle cranial fossa. For a complete excision of this mass, we performed a vertical ramus osteotomy and resected the mass around the mandibular condyle. The calcified mass in the infratemporal fossa was carefully excised, and the segmented mandible was anatomically repositioned. Scanning electronic microscopy (SEM)/energy-dispersive X-ray spectroscopy (EDS) microanalysis was performed to evaluate the calcified mass. The result of SEM/EDS showed that the crystal mass was completely composed of calcium pyrophosphate dihydrate. This result strongly suggested that the calcified mass was CPDD in the TMJ area. Conclusions CPDD in the TMJ is a rare disease and is difficult to differentially diagnose from other neoplasms. A histological examination and quantitative microanalysis are required to confirm the diagnosis. In our patient, CPDD in the TMJ was successfully removed via the extracorporeal approach. SEM/EDS microanalysis was used for the differential diagnosis.
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Affiliation(s)
- Kwang-Jun Kwon
- 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457 Republic of Korea
| | - Hyun Seok
- 2Department of Oral and Maxillofacial Surgery, Chungbuk National University Hospital, Cheongju, 28644 Republic of Korea
| | - Jang-Ha Lee
- 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457 Republic of Korea
| | - Min-Keun Kim
- 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457 Republic of Korea
| | - Seong-Gon Kim
- 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457 Republic of Korea
| | - Hyung-Ki Park
- 3Gangwon Regional Division, Korea Institute of Industrial Technology, Gangneung, 25440 Republic of Korea
| | - Hang-Moon Choi
- 4Department of Oral and Maxillofacial Radiology, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457 Republic of Korea
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Subramanian H, Gochhait D, Ganesh RN, Govindarajalou R, Siddaraju N. Diagnosis of pseudo-gout (calcium pyrophosphate deposition disease) clinched on cytology. Diagn Cytopathol 2018; 46:748-751. [DOI: 10.1002/dc.23939] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 03/16/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Hema Subramanian
- Department of Pathology; Jawaharlal Institute of Postgraduate Medical Education and Research; Puducherry India
| | - Debasis Gochhait
- Department of Pathology; Jawaharlal Institute of Postgraduate Medical Education and Research; Puducherry India
| | - Rajesh Nachiappa Ganesh
- Department of Pathology; Jawaharlal Institute of Postgraduate Medical Education and Research; Puducherry India
| | - Ramkumar Govindarajalou
- Department of Radiology; Jawaharlal Institute of Postgraduate Medical Education and Research; Puducherry India
| | - Neelaiah Siddaraju
- Department of Pathology; Jawaharlal Institute of Postgraduate Medical Education and Research; Puducherry India
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Fuentes-Martinez N, Tani E, Darai-Ramqvist E, Skoog L. Case report: Calcium pyrophosphate dihydrate deposition of the temporomandibular joint diagnosed by fine-needle aspiration cytology. Diagn Cytopathol 2018; 46:610-612. [PMID: 29392893 DOI: 10.1002/dc.23895] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/11/2018] [Accepted: 01/17/2018] [Indexed: 12/27/2022]
Abstract
Calcium pyrophosphate dihydrate deposition (CPDD) is the accepted name for a disease that mainly occurs in elderly patients. This disease affects many joints in particular the knee joint. CPDD is extremely rare in the temporomandibular joint (TMJ) with only few cases reported in the English literature. Herein, we present a case of an 89 years old woman with a radiological diagnosis of chondrosarcoma of TMJ. Fine-needle aspiration cytology however showed crystals, multinucleated giant cells and macrophages which allowed a correct diagnosis of CPDD.
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Affiliation(s)
- N Fuentes-Martinez
- Department of Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - E Tani
- Department of Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - E Darai-Ramqvist
- Department of Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - L Skoog
- Department of Cytology, Karolinska University Hospital, Stockholm, Sweden
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Krochak R, Culbertson MD, Vigorita V, Goodman H. Atypical Tumoral Presentation of Calcium Pyrophosphate Deposition Disease: A Case Report. JBJS Case Connect 2016; 6:e86. [PMID: 29252740 DOI: 10.2106/jbjs.cc.16.00050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE A 55-year-old man presented with a history of forefoot pain and swelling. Radiographs revealed a mass with internal calcifications and osseous erosion of the fifth metatarsophalangeal bone. The mass was isointense to muscle on T1-weighted magnetic resonance imaging (MRI) and hyperintense on T2-weighted MRI. A biopsy was performed, and intraoperatively, the lesion appeared as chalky white material, which under polarized light microscopy was composed of weakly positively birefringent rhomboid crystals, leading to a diagnosis of tophaceous pseudogout. CONCLUSION Tophaceus pseudogout should be included in the differential diagnosis of neoplastic-appearing lesions in the foot, and polarized light microscopy should be used when examining biopsy specimens.
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Affiliation(s)
- Ryan Krochak
- Departments of Orthopaedic Surgery (R.K., M.D.C., and H.G.) and Pathology (V.V.), Maimonides Medical Center, Brooklyn, New York
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Park HJ, Chung HW, Oh TS, Lee JS, Song JS, Park YK. Tumoral pseudogout of the proximal interphalangeal joint of a finger: a case report and literature review. Skeletal Radiol 2016; 45:1007-12. [PMID: 27048476 DOI: 10.1007/s00256-016-2383-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 03/12/2016] [Accepted: 03/22/2016] [Indexed: 02/02/2023]
Abstract
Tumoral pseudogout is a rare clinical form of calcium pyrophosphate dihydrate crystal deposition disease. Tumoral pseudogout can mimic other diseases such as chondroid tumor, tophaceous gout, or tumoral calcinosis. Its radiological features have been presented in some case reports, but no specific radiographic features have been identified. Here, we report an unusual case of recurrent tumoral pseudogout involving the proximal interphalangeal joint of the right long finger. This case presents with progressive radiological findings of the disease with an enlarging and recurrent calcified mass and secondary bony erosion and remodeling, along with a radiological-pathological correlation. We also review previously reported imaging findings of this disease entity, differential points in comparison to other diseases, and some key points for making the correct diagnosis.
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Affiliation(s)
- Hyo Jung Park
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - Hye Won Chung
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.
| | - Tack Sun Oh
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - Jong-Seok Lee
- Departments of Orthopedic Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea
| | - Joon Seon Song
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea
| | - Yong-Koo Park
- Department of Pathology, Kyung Hee University Hospital, Gangdong, Kyung Hee University School of Medicine, Gangdong, South Korea
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Pellecchia R, Holmes C, Wun E, Wolf J. Treatment of tophaceous pseudogout with custom-fitted temporomandibular joint: a two-staged approach. ORAL AND MAXILLOFACIAL SURGERY CASES 2015. [DOI: 10.1016/j.omsc.2015.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Frisch NK, Nathan R, Ahmed YK, Shidham VB. Authors attain comparable or slightly higher rates of citation publishing in an open access journal (CytoJournal) compared to traditional cytopathology journals - A five year (2007-2011) experience. Cytojournal 2014; 11:10. [PMID: 24987441 PMCID: PMC4058908 DOI: 10.4103/1742-6413.131739] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 03/31/2013] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The era of Open Access (OA) publication, a platform which serves to better disseminate scientific knowledge, is upon us, as more OA journals are in existence than ever before. The idea that peer-reviewed OA publication leads to higher rates of citation has been put forth and shown to be true in several publications. This is a significant benefit to authors and is in addition to another relatively less obvious but highly critical component of the OA charter, i.e. retention of the copyright by the authors in the public domain. In this study, we analyzed the citation rates of OA and traditional non-OA publications specifically for authors in the field of cytopathology. DESIGN We compared the citation patterns for authors who had published in both OA and traditional non-OA peer-reviewed, scientific, cytopathology journals. Citations in an OA publication (CytoJournal) were analyzed comparatively with traditional non-OA cytopathology journals (Acta Cytologica, Cancer Cytopathology, Cytopathology, and Diagnostic Cytopathology) using the data from web of science citation analysis site (based on which the impact factors (IF) are calculated). After comparing citations per publication, as well as a time adjusted citation quotient (which takes into account the time since publication), we also analyzed the statistics after excluding the data for meeting abstracts. RESULTS Total 28 authors published 314 publications as articles and meeting abstracts (25 authors after excluding the abstracts). The rate of citation and time adjusted citation quotient were higher for OA in the group where abstracts were included (P < 0.05 for both). The rates were also slightly higher for OA than non-OA when the meeting abstracts were excluded, but the difference was statistically insignificant (P = 0.57 and P = 0.45). CONCLUSION We observed that for the same author, the publications in the OA journal attained a higher rate of citation than the publications in the traditional non-OA journals in the field of cytopathology over a 5 year period (2007-2011). However, this increase was statistically insignificant if the meeting abstracts were excluded from the analysis. Overall, the rates of citation for OA and non-OA were slightly higher to comparable.
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Affiliation(s)
- Nora K. Frisch
- Address: Department of Pathology, Wayne State University School of Medicine, Karmanos Cancer Center and Detroit Medical Center, Old Hutzel Hospital, Detroit, MI 48201, USA
| | - Romil Nathan
- Address: Department of Pathology, Wayne State University School of Medicine, Karmanos Cancer Center and Detroit Medical Center, Old Hutzel Hospital, Detroit, MI 48201, USA
| | - Yasin K. Ahmed
- Address: Department of Pathology, Wayne State University School of Medicine, Karmanos Cancer Center and Detroit Medical Center, Old Hutzel Hospital, Detroit, MI 48201, USA
| | - Vinod B. Shidham
- Address: Department of Pathology, Wayne State University School of Medicine, Karmanos Cancer Center and Detroit Medical Center, Old Hutzel Hospital, Detroit, MI 48201, USA
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Calcium pyrophosphate dihydrate deposition disease of the filum terminale. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2013; 22 Suppl 3:S501-5. [PMID: 23455952 DOI: 10.1007/s00586-013-2723-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Revised: 01/29/2013] [Accepted: 02/18/2013] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Calcium pyrophosphate dihydrate crystal deposition disease (CPPDD) is a rare benign inflammatory joint disorder characterized by the presence of calcium pyrophosphate dihydrate crystal in the interarticular and periarticular tissue. It has been rarely described with spinal localization. METHODS A 50-year-old woman, affected by CPPDD, presented a progressive weakness of both lower limbs associated with neurogenic claudication. Neuroradiological examinations revealed the presence of two intradural calcified lesions at level L3-L4, with no post-contrast enhancement. RESULTS Surgery was performed and the histopathological exams documented the presence of rod-shaped crystals embedded in a fibrocartilaginous stroma. The postoperative course was uneventful and the patient experienced complete symptoms relief with a 5-year follow-up. CONCLUSION Intradural CPPD localization at the filum terminale is an extremely rare occurrence. Total removal should be preferably attempted with a long-term focal control of the disease as we observed in our case.
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Erhardt MA, Vetter SY, Suda AJ, Wentzensen A, Frank CB. Mimicry in older patients: tophaceous pseudogout as a tumorlike lesion: a case report. J Am Podiatr Med Assoc 2012; 101:462-5. [PMID: 21957280 DOI: 10.7547/1010462] [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] [Indexed: 02/03/2023]
Abstract
Pseudogout is frequently seen in painful arthritis of larger joints, especially the knees and shoulders. This case report describes a rare clinical entity of soft-tissue calcium pyrophosphate dihydrate crystal deposition disease surrounding the second metatarsal bone of an 81-year-old man with moderate painful swelling of the right forefoot for 2 years. Diagnostic imaging demonstrated a calcified soft-tissue tumor adjacent to the second metatarsal bone by considering a neoplastic process in the differential diagnosis. Excisional biopsy revealed a chalklike material on the calcified soft tissue that was pathognomonic for chondrocalcinosis or pseudogout. The excisional biopsy findings led to stagnation of the clinical symptoms, and no recurrence of the initial tumor was seen during 12-month follow-up. In the literature, only 28 cases of tophaceous pseudogout tumors in the extremities have been described. In these cases, the lesions were suspected of being chondrosarcomas. For this reason, a correct diagnosis has to be pursued by performing a biopsy to treat the disease correctly.
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Affiliation(s)
- Matthias A Erhardt
- Department of Trauma and Orthopaedic Surgery, BG Trauma Center Ludwigshafen, Ludwigshafen, Germany
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Meng J, Guo C, Luo H, Chen S, Ma X. A case of destructive calcium pyrophosphate dihydrate crystal deposition disease of the temporomandibular joint: a diagnostic challenge. Int J Oral Maxillofac Surg 2011; 40:1431-7. [DOI: 10.1016/j.ijom.2011.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Revised: 04/25/2011] [Accepted: 05/10/2011] [Indexed: 01/16/2023]
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Zweifel D, Ettlin D, Schuknecht B, Obwegeser J. Tophaceuos calcium pyrophosphate dihydrate deposition disease of the temporomandibular joint: the preferential site? J Oral Maxillofac Surg 2011; 70:60-7. [PMID: 21855194 DOI: 10.1016/j.joms.2011.06.207] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 06/17/2011] [Accepted: 06/18/2011] [Indexed: 02/07/2023]
Affiliation(s)
- Daniel Zweifel
- Department of Craniomaxillofacial and Oral Surgery, University Hospital Zurich, Zurich, Switzerland.
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Shidham VB. Thank you CytoJournal reviewers and authors - 2008 through 2010. Cytojournal 2010. [PMCID: PMC3029998 DOI: 10.4103/1742-6413.75668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
Affiliation(s)
- Vinod B Shidham
- Address: Executive Editor and Co-Editor-in-Chief, CytoJournal, Department of Pathology, Wayne State University School of Medicine, Karmanos Cancer Institute, and Detroit Medical Center, Detroit, MI, USA,*Corresponding author
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Kathju S, Cohen R, Lasko LA, Aynechi M, Dattilo DJ. Pseudogout of the temporomandibular joint: immediate reconstruction with total joint arthroplasty. Head Neck 2010; 32:406-10. [PMID: 19340868 DOI: 10.1002/hed.21074] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Pseudogout of the temporomandibular joint (TMJ) is a rare disorder with <40 reported cases in the English-language literature. It is usually treated with surgical resection and condylectomy alone. METHODS We report the case of a 68-year-old woman presenting with a preauricular mass resulting from calcium pyrophosphate deposition (pseudogout) in the TMJ, who underwent surgical resection with immediate reconstruction. RESULTS Open surgical resection to completely remove the mass confirmed substantial erosion of the condyle and disc, necessitating condylectomy and discectomy. The joint was thereafter immediately reconstructed by total joint arthroplasty using a Christensen TMJ implant sized to the patient's anatomy. The patient was able to resume a regular diet and demonstrated marked improvement in her interincisal opening. CONCLUSION Immediate reconstruction of the TMJ with total joint arthroplasty is a safe and effective measure following removal of this (and potentially other) TMJ lesions.
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Affiliation(s)
- Sandeep Kathju
- Division of Oral/Maxillofacial Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA.
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Shidham VB, Pitman MB, Demay RM, Atkinson BF. CytoJournal's move to the new platform: More on financial model to the support open-access charter in cytopathology, publication quality indicators, and other issues. Cytojournal 2008; 5:15. [PMID: 19495401 PMCID: PMC2669682 DOI: 10.4103/1742-6413.44572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Accepted: 12/02/2008] [Indexed: 02/07/2023] Open
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