{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T14:23:26Z","timestamp":1787840606034,"version":"build-2784847793"},"reference-count":15,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"6","license":[{"start":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T00:00:00Z","timestamp":1761955200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:p>Cardiac myxomas are rare in children and can mimic other conditions. We report a 14-year-old boy initially diagnosed with acute poststreptococcal glomerulonephritis based on hematuria, mild proteinuria, and elevated anti-streptolysin-O titers. However, worsening dyspnea, edema, and signs of heart failure prompted further evaluation. Echocardiography revealed a large left atrial mass with impaired biventricular function and tricuspid regurgitation. Surgical excision confirmed a myxoma. The patient\u2019s renal and systemic symptoms were attributed to low cardiac output and venous congestion, not true glomerulonephritis. This case highlights the need to consider cardiac causes in pediatric patients with persistent nephritic-like features.<\/jats:p>","DOI":"10.4103\/apc.apc_159_25","type":"journal-article","created":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T12:00:10Z","timestamp":1773662410000},"page":"613-615","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Unusual presentation of left atrial myxoma in a child mimicking acute poststreptococcal glomerulonephritis"],"prefix":"10.4103","volume":"18","author":[{"given":"Maulana","family":"Rosyady","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Pediatric Cardiology Division, Cipto Mangunkusumo National General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anisa","family":"Rahmadhany","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Pediatric Cardiology Division, Cipto Mangunkusumo National General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muhammad Arza","family":"Putra","sequence":"additional","affiliation":[{"name":"Department of Surgery, Thoracic, Cardiac and Vascular Surgery Division, Cipto Mangunkusumo National General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisnawati","family":"Rachmadi","sequence":"additional","affiliation":[{"name":"Department of Anatomic Pathology, Cipto Mangunkusumo National General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2026,3,16]]},"reference":[{"key":"R1-20260416","doi-asserted-by":"crossref","first-page":"1610","DOI":"10.1056\/NEJM199512143332407","article-title":"Cardiac myxomas","volume":"333","author":"Reynen","year":"1995","journal-title":"N Engl J Med"},{"key":"R2-20260416","doi-asserted-by":"crossref","first-page":"1462","DOI":"10.1056\/NEJM199611073351912","article-title":"More on cardiac myxomas","volume":"335","author":"Burke","year":"1996","journal-title":"N Engl J Med"},{"key":"R3-20260416","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1016\/S1010-7940(02)00592-4","article-title":"Cardiac myxomas: 24 years of experience in 49 patients","volume":"22","author":"Keeling","year":"2002","journal-title":"Eur J Cardiothorac Surg"},{"key":"R4-20260416","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1097\/00005792-200105000-00002","article-title":"Clinical presentation of left atrial cardiac myxoma. 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