CEN Case Reports最新文献

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Acute tubulointerstitial nephritis associated with infliximab therapy in a patient with Crohn's disease: a case report. 一名克罗恩病患者因英夫利西单抗治疗引发的急性肾小管间质性肾炎:病例报告。
IF 1
CEN Case Reports Pub Date : 2024-11-02 DOI: 10.1007/s13730-024-00943-6
Naif Alghamdi, Fahad Alshehri, Sultan Alhazza, Fahad Bhutto, Azhari Alhassan, Mohammed Kechrid, Dhafer Alshehri, Kadi Alshammari, Talal Assiri, Ohoud Assiri, Emad Darewsh, Mohammed Ali, Ruba Qadri, Yasser Alahmadi
{"title":"Acute tubulointerstitial nephritis associated with infliximab therapy in a patient with Crohn's disease: a case report.","authors":"Naif Alghamdi, Fahad Alshehri, Sultan Alhazza, Fahad Bhutto, Azhari Alhassan, Mohammed Kechrid, Dhafer Alshehri, Kadi Alshammari, Talal Assiri, Ohoud Assiri, Emad Darewsh, Mohammed Ali, Ruba Qadri, Yasser Alahmadi","doi":"10.1007/s13730-024-00943-6","DOIUrl":"https://doi.org/10.1007/s13730-024-00943-6","url":null,"abstract":"<p><p>We report the case of a 39-year-old man who presented with a history of generalized fatigue, nausea, subjective fever with rigors, and renal dysfunction after receiving infliximab (IFX) therapy for Crohn's disease. A renal biopsy revealed acute tubulointerstitial nephritis (ATIN). After other causes of acute kidney injury were excluded, steroid therapy was initiated, his fever subsided, and kidney function improved. From this case report, infliximab could be a rare cause of elevated kidney function and that it should be not considered a completely safe treatment or disregarded as potential cause of ATIN.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142564099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acute tubulointerstitial nephritis following coronavirus disease 2019 mRNA vaccination: a pediatric case report. 接种冠状病毒 2019 mRNA 疫苗后出现急性肾小管间质性肾炎:一例儿科病例报告。
IF 1
CEN Case Reports Pub Date : 2024-10-31 DOI: 10.1007/s13730-024-00945-4
Gakushi Eguchi, Miki Murakoshi, Futaba Miyaoka, Asami Shimbo, Hitoshi Irabu, Toru Kanamori, Tomohiro Udagawa, Tomohiro Morio, Masaki Shimizu
{"title":"Acute tubulointerstitial nephritis following coronavirus disease 2019 mRNA vaccination: a pediatric case report.","authors":"Gakushi Eguchi, Miki Murakoshi, Futaba Miyaoka, Asami Shimbo, Hitoshi Irabu, Toru Kanamori, Tomohiro Udagawa, Tomohiro Morio, Masaki Shimizu","doi":"10.1007/s13730-024-00945-4","DOIUrl":"10.1007/s13730-024-00945-4","url":null,"abstract":"<p><p>Coronavirus disease 2019 (COVID-19) mRNA vaccines have been linked to various kidney adverse events including acute tubulointerstitial nephritis (ATIN). This report describes a 15-year-old female who developed persistent fever and fatigue 54 days after receiving her second dose of the BNT162b2 2 SARS-CoV-2 vaccine. She presented with elevated serum creatinine and urinary β2-microglobulin (β2MG) levels. Kidney biopsy revealed mononuclear infiltrate with some eosinophils, confirming the diagnosis of ATIN. Repeatedly positive lymphocyte transformation test results for the vaccine suggested a relationship between the vaccine and interstitial nephritis. Initially, treatment with prednisolone was effective. However, an increase in urinary β2MG level was observed 7 months later, and the introduction of mycophenolate mofetil (MMF) allowed for the gradual reduction and eventual cessation of prednisolone. This case represents one of the rare pediatric instances of ATIN following COVID-19 vaccination. MMF can be an effective alternative in corticosteroid-dependent cases.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142557264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tubulointerstitial nephritis with IgM-positive plasma cells complicated by liver failure. IgM阳性浆细胞并发肝衰竭的肾小管间质性肾炎。
IF 1
CEN Case Reports Pub Date : 2024-10-23 DOI: 10.1007/s13730-024-00932-9
Takashi Kudo, Daigo Nakazawa, Saori Nishio, Fumihiko Hattanda, Yusho Ueda, Junpei Yoshikawa, Satoka Shiratori-Aso, Sari Iwasaki, Takahiro Tsuji, Yasuni Nakanuma, Goki Suda, Koji Ogawa, Naoya Sakamoto, Tatsuya Atsumi
{"title":"Tubulointerstitial nephritis with IgM-positive plasma cells complicated by liver failure.","authors":"Takashi Kudo, Daigo Nakazawa, Saori Nishio, Fumihiko Hattanda, Yusho Ueda, Junpei Yoshikawa, Satoka Shiratori-Aso, Sari Iwasaki, Takahiro Tsuji, Yasuni Nakanuma, Goki Suda, Koji Ogawa, Naoya Sakamoto, Tatsuya Atsumi","doi":"10.1007/s13730-024-00932-9","DOIUrl":"https://doi.org/10.1007/s13730-024-00932-9","url":null,"abstract":"<p><p>Tubulointerstitial nephritis (TIN) is characterized by inflammation of the renal interstitium with the infiltration of immune cells, mainly consisting of T cells. Recently, patients with TIN with the predominant infiltration of immunoglobulin M (IgM)-positive plasma cells were reported, coined IgMPC-TIN. Here we report the case of a 70-year-old woman diagnosed with Fanconi syndrome and renal tubular acidosis. Renal biopsy revealed IgMPC-TIN. Her renal dysfunction and clinical findings improved after corticosteroid therapy. However, the patient died of progressive liver failure and spontaneous bacterial peritonitis. In laboratory tests, viral hepatitis was excluded, and autoantibodies associated with liver diseases were negative. Generally, IgMPC-TIN is often complicated by primary biliary cholangitis (PBC), whereas her autopsy revealed the local infiltration of IgM-positive plasma cells, obliterative portal venopathy, and nodular regenerative hyperplasia in liver. This case is the first demonstration that IgMPC-TIN is also seen in liver disease with nodular regenerative hyperplasia, although IgMPC-TIN is more common in anti-M2 antibody-positive disease.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142495874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
List of referees. 推荐人名单。
IF 1
CEN Case Reports Pub Date : 2024-10-19 DOI: 10.1007/s13730-024-00938-3
{"title":"List of referees.","authors":"","doi":"10.1007/s13730-024-00938-3","DOIUrl":"https://doi.org/10.1007/s13730-024-00938-3","url":null,"abstract":"","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macroscopic hematuria-associated severe acute kidney injury triggered by kidney stone formation in a patient with thin basement membrane and no history of microscopic hematuria. 一名基底膜较薄且无镜下血尿病史的患者因肾结石形成引发的镜下血尿相关性重度急性肾损伤。
IF 1
CEN Case Reports Pub Date : 2024-10-17 DOI: 10.1007/s13730-024-00942-7
Shuzo Kaneko, Ririko Murata, Ainori Hoshimoto, Rina Hisada, Makiko Harano, Emi Anno, So Hagiwara, Eri Imai, Michio Nagata
{"title":"Macroscopic hematuria-associated severe acute kidney injury triggered by kidney stone formation in a patient with thin basement membrane and no history of microscopic hematuria.","authors":"Shuzo Kaneko, Ririko Murata, Ainori Hoshimoto, Rina Hisada, Makiko Harano, Emi Anno, So Hagiwara, Eri Imai, Michio Nagata","doi":"10.1007/s13730-024-00942-7","DOIUrl":"https://doi.org/10.1007/s13730-024-00942-7","url":null,"abstract":"<p><p>Macroscopic hematuria (MH)-associated acute kidney injury (AKI) is a rare condition that causes acute tubular damage due to severe glomerular bleeding with MH. A 66-year-old Japanese woman with no significant past medical history was referred for severe kidney injury with oliguric MH. Her prior medical checkup results showed no occult blood in her urine. Seven days earlier, she had experienced transient severe acute right lumbar back pain. On admission, her serum urea nitrogen was 147 mg/dL, serum creatinine (sCr) 18.3 mg/dL, urinary red blood cells (RBCs) > 100/hpf, urinary protein 28.8 g/gCr, with no hydronephrosis in either kidney, but two stones were found in the right kidney and right ureteropelvic junction. At the start of her hemodialysis, the patient was treated with high-dose steroids because of suspected rapidly progressive glomerulonephritis. A renal biopsy of the left kidney showed acute tubular injury with massive RBC casts filling the tubular lumen. Glomerulitis was not detected, but electron microscopy revealed diffuse glomerular thin basement membrane (TBM). Despite immediate steroid discontinuation, the patient's renal function and MH improved, and she was weaned from hemodialysis. The stones resolved 2 months after onset, but microscopic hematuria persisted for 7 months post-onset. The sCr level was fixed at 1.1 mg/dL 20 months post-onset. This is the first report of MH-AKI in a TBM without the risk of MH-AKI development, such as bleeding tendency or iron overload. In this TBM, a colic attack of the renal urinary tract induced glomerular bleeding, and intolerance to hematuria may have caused severe tubular damage.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unusual late presentation of cryptococcal meningitis with simultaneous CMV antigenemia in a kidney transplant recipient. 一名肾移植受者罕见地晚期出现隐球菌脑膜炎,同时伴有 CMV 抗原血症。
IF 1
CEN Case Reports Pub Date : 2024-10-17 DOI: 10.1007/s13730-024-00939-2
Tsz Hing Mok, Li Man Maggie Lam, Chi Yuen Cheung
{"title":"Unusual late presentation of cryptococcal meningitis with simultaneous CMV antigenemia in a kidney transplant recipient.","authors":"Tsz Hing Mok, Li Man Maggie Lam, Chi Yuen Cheung","doi":"10.1007/s13730-024-00939-2","DOIUrl":"https://doi.org/10.1007/s13730-024-00939-2","url":null,"abstract":"<p><p>Cryptococcosis is the third most common invasive fungal infection in solid-organ transplant (SOT) recipients after candidiasis and aspergillosis. These patients are at risk of disseminated cryptococcosis because of immuosuppressive therapy. The median time to disease onset after kidney transplantation is approximately 35 months and it rarely occurs more than 10 years after transplantation. Herein, we report a case of 64-year-old kidney transplant recipient suffering from coexisting disseminated cryptococcosis with brain and skin involvement, together with cytomegalovirus (CMV) antigenemia more than 20 years after transplant. She presented with frontal headache and bilateral hand tremor, in addition to multiple nodular lesions over bilateral lower limbs. The diagnosis was made after lumbar puncture and skin biopsy. She was successfully treated with a course of anti-fungal and anti-CMV regimen without any relapse of central nervous system infection. Our case illustrates that disseminated cryptococcosis can occur very late after organ transplant. It is thus important to watch out for late-onset opportunistic infections and strike the balance between risks of infections and rejections in SOT patients.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A case of de novo glomerulonephritis following COVID-19 in a patient with preexistent IgA vasculitis. 一例曾患 IgA 血管炎的患者在服用 COVID-19 后出现新生肾小球肾炎。
IF 1
CEN Case Reports Pub Date : 2024-10-13 DOI: 10.1007/s13730-024-00940-9
Daigo Kobayashi, Jun Yoshino, Maki Hanada, Masafumi Ohba, Tomohiro Oka, Kenichi Itoga, Daisuke Niino, Takeshi Kanda
{"title":"A case of de novo glomerulonephritis following COVID-19 in a patient with preexistent IgA vasculitis.","authors":"Daigo Kobayashi, Jun Yoshino, Maki Hanada, Masafumi Ohba, Tomohiro Oka, Kenichi Itoga, Daisuke Niino, Takeshi Kanda","doi":"10.1007/s13730-024-00940-9","DOIUrl":"https://doi.org/10.1007/s13730-024-00940-9","url":null,"abstract":"<p><p>During the unprecedented COVID-19 outbreak, new-onset or relapsing glomerulonephritis, such as ANCA-associated glomerulonephritis and Immunoglobulin A (IgA) nephropathy, following COVID-19 has been reported. However, to date, the association of COVID-19 with preexistent IgA vasculitis (IgAV) remains unclear. Here, we present the case of a 20-something old Japanese woman with preexistent IgAV who newly developed glomerulonephritis following COVID-19. At the diagnosis of IgAV, she had cutaneous purpura, joint pains, and gastrointestinal symptoms, but no signs of kidney involvement. Three months ago, she was tested positive for COVID-19 and subsequently developed hematuria and proteinuria. She was then admitted to our hospital and renal biopsy showed glomerular mesangial expansion and hypercellularity and cellular and fibrocellular crescents, accompanied by diffuse IgA and C3 deposits. With the diagnosis of de novo IgAV nephritis, the patient was treated with intravenous methylprednisolone followed by oral prednisolone. She had favorable responses to this treatment and has achieved and maintained the remission of hematuria and proteinuria after initiation of glucocorticoid therapy. Our case highlights that immune response to SARS-CoV-2 infection could trigger the onset of glomerulonephritis in the IgAV patients who have no renal involvement.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case of successful treatment with glucocorticoid for isolated anti-centromere antibody-positive acute interstitial nephritis. 用糖皮质激素成功治疗孤立的抗中心粒抗体阳性急性间质性肾炎的病例。
IF 1
CEN Case Reports Pub Date : 2024-10-13 DOI: 10.1007/s13730-024-00937-4
Chisa Takata, Akihiro Kuma, Atsuko Suwabe, Takahide Iwasaki, Takahiro Kuragano
{"title":"Case of successful treatment with glucocorticoid for isolated anti-centromere antibody-positive acute interstitial nephritis.","authors":"Chisa Takata, Akihiro Kuma, Atsuko Suwabe, Takahide Iwasaki, Takahiro Kuragano","doi":"10.1007/s13730-024-00937-4","DOIUrl":"https://doi.org/10.1007/s13730-024-00937-4","url":null,"abstract":"<p><p>Acute interstitial nephritis (AIN) is known to cause acute kidney injury and is characterized by immunocyte infiltration and interstitial fibrosis. Primary etiologies include drugs, infections, and autoimmune disorders. Herein, we presented the case of a 78-year-old woman patient with AIN with anti-centromere antibody (ACA) positivity, secondary to an idiopathic immune system disorder. Her serum creatinine (sCr) was 0.67 mg/dL 2 months prior to consulting us, which increased to 2.79 mg/dL. The renal biopsy revealed an AIN comprising interstitial infiltration with immunocytes and CD138 + cells. Furthermore, all other antibodies tested negative using immunofluorescence on both glomeruli and tubulointerstitial lesions. The ACA was elevated to a level of ≥ 500 U/mL. The ACA positive has been known to be accompanied by worsening kidney function in patients with systemic sclerosis and primary biliary cholangitis. However, any autoimmune disease were not diagnosed. Successful treatment with an initial dose of 30 mg/day of glucocorticoids tapered to 25 mg/day resulted in a decrease in the sCr to 1.53 mg/dL 4 weeks later. Nine months later, glucocorticoids was tapered, based on the threshold of a sCr of 1.03 mg/dL and the titer of ACA of 291 U/mL. In this case, glucocorticoid treatment remarkably improved renal function in AIN containing CD138 + cells accompanied by a reduction of ACA titer. The etiology of ACA-positive AIN was unknown; however, the incidence of ACA-positive AIN should always be deliberated.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142459019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronic kidney disease associated with extremely premature birth and extremely low birth weight may progress through the burden of growth. 与极早产和极低出生体重有关的慢性肾病可能会在生长过程中逐渐加重。
IF 1
CEN Case Reports Pub Date : 2024-10-05 DOI: 10.1007/s13730-024-00931-w
Chinatsu Onodera, Ken Ishikawa, Hiroshi Sugawara, Saeko Nishimi, Hiromi Furukawa, Akira Takada, Manami Akasaka, Megumi Kobayashi
{"title":"Chronic kidney disease associated with extremely premature birth and extremely low birth weight may progress through the burden of growth.","authors":"Chinatsu Onodera, Ken Ishikawa, Hiroshi Sugawara, Saeko Nishimi, Hiromi Furukawa, Akira Takada, Manami Akasaka, Megumi Kobayashi","doi":"10.1007/s13730-024-00931-w","DOIUrl":"https://doi.org/10.1007/s13730-024-00931-w","url":null,"abstract":"<p><p>Chronic kidney disease associated with low birth weight and/or premature birth (L/P-CKD) in infants may result from a decreased number of nephrons at birth. These infants may develop acute kidney injury due to exposure to nephrotoxic substances or other events during nephrogenesis in early infancy. Nonetheless, L/P-CKD progression remains unclear. We present three cases of L/P-CKD diagnosed after neonatal intensive care unit (NICU) discharge. Three patients were born extremely prematurely (gestational age, 24-26 weeks) with extremely low birth weight (606-906 g). They were admitted to the NICU (117-311 days) anad received several nephrotoxic medications during the early postnatal period. They showed elevated serum creatinine levels at 4 weeks after birth, which decreased to normal levels at NICU discharge. Proteinuria was first detected during adolescence (10-15 years) on annual school urine screening, with a remarkable increase in their height (18 - 50.8 cm), without known episodes of urinary tract infection, dehydration, lifestyle-related issues, such as excessive salt/protein intake, and extreme lack of exercise that might have caused kidney damage. Their kidneys were smaller than normal on renal ultrasonography. Open renal biopsy findings indicated glomerulomegaly and perihilar glomerulosclerosis in two of the three patients, suggesting glomerular hypertension. The remarkable differences between the body height before CKD and the timing of diagnosis of CKD could contribute to the progress of CKD. Long-term follow-up of low birth weight and extremely premature infants, from NICU discharge until adulthood, should be established.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immunoglobulin A-dominant membranoproliferative glomerulonephritis-like pattern of injury as a possible paraneoplastic nephropathy in a breast cancer patient. 一名乳腺癌患者的免疫球蛋白 A 主导型膜增生性肾小球肾炎样损伤模式可能是一种副肿瘤性肾病。
IF 1
CEN Case Reports Pub Date : 2024-10-04 DOI: 10.1007/s13730-024-00936-5
Shuntaro Taira, Mika Kawagoe, Hitoshi Anzai, Minoru Yasukawa, Shinichiro Asakawa, Shigeyuki Arai, Osamu Yamazaki, Yoshifuru Tamura, Yasutoshi Oshima, Satoe Numakura, Ryuji Ohashi, Shigeru Shibata, Yoshihide Fujigaki
{"title":"Immunoglobulin A-dominant membranoproliferative glomerulonephritis-like pattern of injury as a possible paraneoplastic nephropathy in a breast cancer patient.","authors":"Shuntaro Taira, Mika Kawagoe, Hitoshi Anzai, Minoru Yasukawa, Shinichiro Asakawa, Shigeyuki Arai, Osamu Yamazaki, Yoshifuru Tamura, Yasutoshi Oshima, Satoe Numakura, Ryuji Ohashi, Shigeru Shibata, Yoshihide Fujigaki","doi":"10.1007/s13730-024-00936-5","DOIUrl":"https://doi.org/10.1007/s13730-024-00936-5","url":null,"abstract":"<p><p>A middle-aged woman was found to have proteinuria during a health check-up. About sixteen months later, she was diagnosed with stage IIA invasive ductal carcinoma of the right breast. Her proteinuria progressed to nephrotic syndrome with significant hematuria. Hormone therapy was initiated for her estrogen and progesterone receptor-positive breast cancer. A kidney biopsy performed 47 days after starting the therapy revealed an IgA-dominant membranoproliferative glomerulonephritis-like pattern of injury. Electron microscopy showed subendothelial-dominant electron-dense deposits (EDD), with small amounts of mesangial EDD and a single occurrence of subepithelial hump-like EDD, along with occasional mesangial interpositions. Similar pathology can be caused by IgA vasculitis with nephritis, IgA-dominant infection-associated glomerulonephritis, and liver disease-associated glomerulopathy, but all of these were ruled out. The deposited IgA was found to be galactose-deficient IgA1. Thus, IgA nephropathy with glomerular capillary IgA deposition was considered. She underwent a right partial mastectomy and sentinel lymph node biopsy in the right axilla 75 days after starting hormone therapy, followed by adjuvant radiation. Proteinuria and hematuria tended to decrease after the treatment, and this trend continued even after corticosteroid therapy for glomerulonephritis, which was administered 156 days after starting hormone therapy. Approximately 15 months after starting hormone therapy, her proteinuria had reduced to around 1.0 g/g of creatinine, and her hematuria was negative. IgA nephropathy with glomerular capillary IgA deposition is known to be resistant to corticosteroid therapy. The favorable clinical course of the rare glomerulopathy following breast cancer treatment suggested a diagnosis of paraneoplastic glomerulopathy secondary to breast cancer in our patient.</p>","PeriodicalId":9697,"journal":{"name":"CEN Case Reports","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142371064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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