{"title":"High tibial osteotomy for acutely exacerbated knee osteoarthritis owing to medial meniscal extrusion in well-controlled rheumatoid arthritis: A case report","authors":"Ryuichi Nakamura , Akira Okano , Masaki Amemiya , Fumiyoshi Kawashima , Tomoyuki Shimakawa","doi":"10.1016/j.joscr.2023.09.013","DOIUrl":"10.1016/j.joscr.2023.09.013","url":null,"abstract":"<div><h3>Background</h3><p>Rheumatoid arthritis (RA) has previously been considered a contraindication for high tibial osteotomy (HTO) because the difficulties in controlling RA make the realignment effects of HTO uncertain. However, as new biological agents for RA ensure optimal outcomes, HTO may be a surgical option for knee osteoarthritis (KOA) superimposed on RA.</p></div><div><h3>Case presentation</h3><p>A 66-year-old man with elderly-onset RA who achieved clinical remission using prednisolone/methotrexate/salazosulfapyridine developed recurrent bilateral medial knee pain with hydrarthrosis. The recurrence was diagnosed as KOA exacerbation because he had normal CRP and MMP-3 concentrations, clear synovial fluid, bilateral cartilage defects on the medial femoral condyles with medial meniscal extrusions, and severely varus-aligned knees. As conservative therapies were not effective, bilateral simultaneous closed wedge HTO was performed. The symptoms completely disappeared 3 months after HTO, and the remission has been maintained for 3 years.</p></div><div><h3>Conclusions</h3><p>HTO can obtain biomechanical remission for KOA exacerbation in patients with RA.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 14-19"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000497/pdfft?md5=639d7a7e36025b95639310afbe7b431a&pid=1-s2.0-S2772964823000497-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136198370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Acute total occlusion of the common femoral artery as a consequence of COVID-19 pneumonia resulting in hip joint disarticulation: Report of an unusual case","authors":"Hisataka Takeuchi , Yoshihiro Tsukamoto , Rei Kato , Sadaki Mitsuzawa , Shinnosuke Yamashita , Satoshi Ota , Eijiro Onishi , Tadashi Yasuda","doi":"10.1016/j.joscr.2023.09.010","DOIUrl":"10.1016/j.joscr.2023.09.010","url":null,"abstract":"<div><h3>Background</h3><p>COVID-19-associated arterial thrombosis is rare but can occur in patients with mild respiratory symptoms.</p></div><div><h3>Case presentation</h3><p>We present an unusual case of acute limb ischemia in a 67-year-old man with COVID-19 pneumonia, resulting in total occlusion of the left common femoral artery. The patient experienced sudden pain and paralysis in the left lower limb. Computed tomography revealed significant thrombus obstruction in the left common iliac artery. Additionally, chest lesions and positive SARS-CoV-2 test results were observed. Owing to the severity of limb ischemia and irreversible paralysis, a disarticulation surgery of the left hip joint was performed instead of a surgical thrombectomy. The patient recovered well post-surgery and was transferred to a rehabilitation hospital.</p></div><div><h3>Conclusions</h3><p>This case highlights the importance of orthopedic surgeons recognizing the association between COVID-19 pneumonia and arterial thrombosis. Considering the potential for severe limb complications, prompt diagnosis and appropriate management are crucial in such cases.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 1-5"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000461/pdfft?md5=ad47529060ab875145d1a2d1d46074c1&pid=1-s2.0-S2772964823000461-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Spontaneous anterior arch fracture of the atlas after occipitocervical posterior decompression and fusion in a patient with athetoid cerebral palsy: A case report","authors":"Tomoya Matsunaga , Hiroshi Takahashi , Masao Koda , Toru Funayama , Hiroshi Noguchi , Kousei Miura , Fumihiko Eto , Yosuke Shibao , Hisanori Gamada , Kento Inomata , Shun Okuwaki , Kotaro Sakashita , Tomoaki Shimizu , Takahiro Sunami , Masashi Yamazaki","doi":"10.1016/j.joscr.2023.09.012","DOIUrl":"10.1016/j.joscr.2023.09.012","url":null,"abstract":"<div><h3>Background</h3><p>Treatment of cervical myelopathy for athetoid cerebral palsy (CP) is sometimes difficult because of the strong muscle tonus and involuntary movements.</p></div><div><h3>Case presentation</h3><p>A 61-year-old male who had a history of athetoid CP presented to our hospital with severe myelopathy. Six months after the primary posterior decompression and fusion (PDF) surgery from C1 to T1, he developed a recurrence of myelopathy with severe neck pain. Radiographic findings showed bilateral C1 lateral mass screw breakage. After the revision surgery of occipitocervical PDF, his neck pain and myelopathy improved. However, he had a recurrence of neck pain with crepitation without any injury 10 days after the surgery. CT showed an anterior arch fracture of the atlas.</p></div><div><h3>Conclusions</h3><p>The possibility of spontaneous anterior arch fracture of the atlas should be considered even after occipitocervical fusion surgery when the patient has a history of CP and multiple risk factors of this fracture.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 10-13"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000485/pdfft?md5=15b69c19f3a9ca30476b7ab7adedd88f&pid=1-s2.0-S2772964823000485-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135852625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Progression of phosphaturic mesenchymal tumor in the femoral bone during treatment with burosumab: A case report","authors":"Koichi Okajima , Hiroshi Kobayashi , Hayata Suzuki , Liuzhe Zhang , Yuki Ishibashi , Yusuke Tsuda , Munetoshi Hinata , Yoichi Yasunaga , Tetsuo Ushiku , Yuji Nakamoto , Yasuhiro Takeuchi , Sakae Tanaka","doi":"10.1016/j.joscr.2023.09.011","DOIUrl":"10.1016/j.joscr.2023.09.011","url":null,"abstract":"<div><h3>Background</h3><p>Phosphaturic mesenchymal tumors cause tumor-induced osteomalacia via fibroblast growth factor 23 (FGF23) production. Burosumab, an anti-FGF23 antibody, has recently become available to relieve clinical symptoms and improve hypophosphatemia. The effect of burosumab on tumor growth has not been elucidated.</p></div><div><h3>Case presentation</h3><p>Here, we report the case of a 61-year-old woman with a phosphaturic mesenchymal tumors in the femur treated with burosumab. During treatment with burosumab, tumor progression was observed, although the clinical symptoms and hypophosphatemia improved. Therefore, surgical resection of the tumor was performed, and tumor-induced osteomalacia went into remission.</p></div><div><h3>Conclusion</h3><p>To our knowledge, there have been limited reports about the effect of burosumab on tumor progression, and our data highlights the necessity for periodical assessment of tumor progression during burosumab treatment.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 6-9"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000473/pdfft?md5=0103cd5888e425c016e2b836606734e3&pid=1-s2.0-S2772964823000473-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136052918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
JOS Case ReportsPub Date : 2024-03-01Epub Date: 2023-12-21DOI: 10.1016/j.joscr.2023.11.003
Eichi Ito , Atsushi Ichiba , Keiichiro Kino , Hitoshi Wakama
{"title":"A case of a double-layered lateral meniscus requiring resection of an accessory meniscus and meniscus repair","authors":"Eichi Ito , Atsushi Ichiba , Keiichiro Kino , Hitoshi Wakama","doi":"10.1016/j.joscr.2023.11.003","DOIUrl":"10.1016/j.joscr.2023.11.003","url":null,"abstract":"<div><h3>Background</h3><p>There have been many reports of meniscus abnormalities, but double-layered meniscus is less common. We report a case of a double-layered lateral meniscus, with an accessory meniscus present on the posterior segment of the normal lateral meniscus.</p></div><div><h3>Case presentation</h3><p>A 20-year-old student experienced right knee pain and Lysholm score was 58 points. Magnetic resonance imaging showed a high signal change in the posterior segment of the lateral meniscus. Arthroscopy revealed a double-layered meniscus on the posterior segment. The lower normal meniscus was longitudinally torn in the posterior segment. Arthroscopic excision of the accessory meniscus was performed, and longitudinal tear was repaired. One year postoperatively, Lyholm score was 100 points. According to what we have been able to find, there have been 18 cases reported in English papers in the past.</p></div><div><h3>Conclusion</h3><p>The double-layered lateral meniscus is a rare anomaly and is reported here with a brief literature review.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 63-67"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277296482300059X/pdfft?md5=f9549a34ba5bbd14408279ebe40132c8&pid=1-s2.0-S277296482300059X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138988565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Rare location of osteonecrosis of the first metatarsal head: A case report","authors":"Kuniji Ohara , Tsukasa Kumai , Yasuhito Tanaka , Akira Taniguchi , Hiroaki Kurokawa , Kiyonori Tomiwa , Harumoto Yamada","doi":"10.1016/j.joscr.2023.10.001","DOIUrl":"10.1016/j.joscr.2023.10.001","url":null,"abstract":"<div><h3>Background</h3><p>To date, only a few reports have been published on osteonecrosis occurring in the first metatarsal. We treated a patient with secondary osteonecrosis of the first metatarsal.</p></div><div><h3>Case presentation</h3><p>A 54-year-old man developed osteonecrosis of the first metatarsal. He had a history of corticosteroid use but no history of trauma or other predisposing conditions for osteonecrosis. His foot condition was rare because osteonecrosis directly developed under the articular surface facing the hallux sesamoid bones, not in the epiphyseal region of the first metatarsal head. High-dose corticosteroid treatment was considered the primary cause. Conservative treatment with a shoe insert and daily activity restrictions showed excellent results, thereby leading to the complete disappearance of the bone lesion and pain.</p></div><div><h3>Conclusion</h3><p>This was a rare case of osteonecrosis that directly developed under the articular surface facing the hallux sesamoid bones, not in the epiphyseal region of the metatarsal head.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 29-33"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000527/pdfft?md5=3a754313f54d7399bb61531498fef439&pid=1-s2.0-S2772964823000527-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136128410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Articular shear fracture of the capitellum in a child: A case report","authors":"Tsuyoshi Tajika , Yuhei Hatori , Takuro Kuboi , Ryuta Saida , Hirotaka Chikuda","doi":"10.1016/j.joscr.2023.11.001","DOIUrl":"10.1016/j.joscr.2023.11.001","url":null,"abstract":"<div><h3>Background</h3><p>Articular shear fractures of the capitellum are rare in skeletally immature children. The fracture fragment, involving mostly articular cartilage, makes diagnosis difficult. Initial missed fractures leading to delayed diagnosis might cause major restriction of elbow function by radiocapitellar arthritis. This report describes a case of a prepubescent patient with articular shear fracture of the capitellum and multiple periarticular elbow injuries.</p></div><div><h3>Case presentation</h3><p>A 10-year-old boy presented three months post-trauma with articular shear fracture of the capitellum, which was not diagnosed by a first-visit doctor. His chief complaint was of elbow joint extension limitation. Surgical resection of the cartilage fragment of the capitellum and fixation of the bone fragment by absorbable screws relieved restriction of elbow joint extension.</p></div><div><h3>Conclusion</h3><p>Wider awareness of articular shear fracture of the capitellum can raise confidence in proper treatment and surgical management of this rare condition in prepubescent patients.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 54-58"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000576/pdfft?md5=def5b7e56ba52a108fd93c1eb845ca8a&pid=1-s2.0-S2772964823000576-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139291430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Posterior tibial tendon dysfunction associated with os subtibiale: A report of three cases","authors":"Tatsuya Sakai , Hisateru Niki , Yui Akiyama , Hiroyuki Mitsui , Wataru Endo , Tomoko Karube , Kaoru Kitsukawa , Takaaki Hirano , Naoki Haraguchi , Masaaki Mawatari","doi":"10.1016/j.joscr.2023.10.005","DOIUrl":"10.1016/j.joscr.2023.10.005","url":null,"abstract":"<div><h3>Background</h3><p>Posterior tibial tendon dysfunction (PTTD) with os subtibiale (OS) has no known pathogenesis or treatment strategy. Four feet of three patients who underwent surgery for PTTD with OS were reviewed.</p></div><div><h3>Case presentation</h3><p>Contact between the OS and PTT sheaths cause tendon sheath synovitis and injury to posterior tibial tendon injury in all cases. One foot underwent OS excision and deltoid ligament (DL) repair, while three feet underwent osteosynthesis.</p></div><div><h3>Conclusion</h3><p>All three patients demonstrated postoperative improvement. Surgical procedure choices should be based on the evaluation of the OS and DL types.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 49-53"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000564/pdfft?md5=f8dd76b1d5962659fd7537c980b09535&pid=1-s2.0-S2772964823000564-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135614548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Infantile myofibroma of deltoid muscle with atypical immunostaining and novel PDGFRB mutation","authors":"Kazuki Nagao , Hiroshi Kobayashi , Liuzhe Zhang , Yusuke Tsuda , Koichi Okajima , Naohiro Makise , Tetsuo Ushiku , Sakae Tanaka","doi":"10.1016/j.joscr.2023.10.004","DOIUrl":"10.1016/j.joscr.2023.10.004","url":null,"abstract":"<div><h3>Background</h3><p>Myofibroma/myofibromatosis is a rare benign pericytic tumor, sometimes difficult to diagnose based on histomorphological characteristics alone. Recent studies have revealed the occurrence of platelet-derived growth factor receptor beta recurrent mutations in myofibromatosis.</p></div><div><h3>Case presentation</h3><p>A 1-month-old female infant presented to our hospital with a right shoulder nodule that had been diagnosed at birth. Magnetic resonance imaging revealed a well-demarcated mass measuring 20 mm in the left deltoid muscle. Incisional biopsy indicated myofibroma and infantile fibrosarcoma, but the immunohistochemical findings were incompatible with these tumors. Wide tumor resection with a 1-cm margin was performed, and the histological diagnosis was the same as that of the incisional biopsy. RNA-Seq to confirm the pathological diagnosis showed a platelet-derived growth factor receptor beta (<em>PDGFRB</em>) p. N666S mutation, a rare alteration in myofibromatosis. No recurrence or metastasis was observed 3 years after treatment.</p></div><div><h3>Conclusions</h3><p>Genetic testing can aid the diagnosis of infantile myofibroma with unusual histomorphological and immunohistochemical features.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 1","pages":"Pages 45-48"},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964823000552/pdfft?md5=394cdc4f1ba3a162e69874eb5071faa1&pid=1-s2.0-S2772964823000552-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135564559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}