Cardiac paraganglioma (PGL) is a rare catecholamine-secreting tumor forming 1% to 3% of cardiac tumors. Although most PGL occur sporadically, evidence exists that 40% of them may be related to familial cancer predisposition syndromes. We present a unique case of a 14-year-old female who presented with persistent hypertension and was found to have a cardiac PGL. During surgical resection, even though the main right coronary was preserved, the sinoatrial (SA) nodal artery was surrounded by the tumor and required resection with the tumor. The patient subsequently developed SA node dysfunction and is currently being evaluated for placement of a permanent pacemaker.
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http://dx.doi.org/10.1177/2150135118824077 | DOI Listing |
Ann Thorac Surg Short Rep
September 2024
Division of Pediatric Cardiac Surgery, Department of Cardiovascular Surgery, Children's Heart Institute, Children's Memorial Hermann Hospital, University of Texas Health Science Center at Houston McGovern Medical School, Houston, Texas.
Aorticopulmonary paragangliomas are exceedingly rare tumors in pediatric populations. Complete surgical resection is the only curative treatment. However, resection is challenging due to the vascularity of paragangliomas and their close relationship with the great vessels.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine, Texas Tech University Health Sciences Center, El Paso, USA.
Carotid body tumors (CBTs), rare neuroendocrine neoplasms near the carotid bifurcation, are mostly asymptomatic but may cause discomfort and autonomic dysfunction. Computed tomography angiography (CTA) is used for diagnosis, eliminating the need for a biopsy to avoid the risk of hemorrhage. Surgical excision is the preferred treatment, while radiotherapy is an option when surgery is impractical.
View Article and Find Full Text PDFDiscov Oncol
December 2024
Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Introduction: Although giant cystic pheochromocytoma and paraganglioma (PPGL) are uncommon, they can be life-threatening when it occurs. Unfortunately, prior case reports have shown that giant cystic PPGLs are highly susceptible to diagnostic errors. Therefore, this study aimed to explore giant cystic PPGLs by comparing them with non-cystic PPGLs, defining the clinical features of the affected patients, and analyzing the characteristics of misdiagnosis and mistreatment associated with PPGLs.
View Article and Find Full Text PDFCardiol Rev
October 2024
Barbra Streisand Women's Heart Center, Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, CA.
Arterial hypertension in young adults, which includes patients between 19 and 40 years of age, has been increasing in recent years and is associated with a significantly higher risk of target organ damage and short-term mortality. It has been reported that up to 10% of these cases are due to a potentially reversible secondary cause, mainly of endocrine (primary aldosteronism, Cushing's syndrome, and pheochromocytoma/paraganglioma), renal (renovascular hypertension due to fibromuscular dysplasia and renal parenchymal disease), or cardiac (coarctation of the aorta) origin. It is recommended to rule out a secondary cause of high blood pressure (BP) in those patients with early onset of grade 2 or 3 hypertension, acute worsening of previously controlled hypertension, resistant hypertension, hypertensive emergency, severe target organ damage disproportionate to the grade of hypertension, or in the face of clinical or biochemical characteristics suggestive of a secondary cause of hypertension.
View Article and Find Full Text PDFBMC Anesthesiol
December 2024
Department of Anaesthesiology, The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, Zhejiang, 322000, China.
Background: Pheochromocytomas (PCCs) are rare neuroendocrine catecholamine (CA)-secreting tumours that originate from chromaffin tissue and can produce and store CAs. Unexpected PCCs pose a serious threat to the perioperative safety of patients and a considerable challenge to anaesthesiologists because of the risks of fatal hypertensive crises and other stresses.
Case Presentation: A 37-year-old woman who was scheduled for tonsillectomy and palatopharyngoplasty under general anaesthesia experienced a malignant cardiovascular event after induction, which was characterized mainly by a sharp increase in heart rate and blood pressure, ultimately leading to cardiac arrest and the occurrence of secondary long QT syndrome.
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