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https://www.readbyqxmd.com/read/28449514/left-ventricular-outflow-tract-obstruction-due-to-a-left-ventricular-myxoma-that-was-misidentified-as-an-accessory-mitral-valve-tissue
#1
Seung-Hoon Baek, Hee Young Kim, Hyae Jin Kim, Sang Wook Shin, Hye Jin Kim, Yun Mi Choi, Eun Ji Choi, Eunjung Chang, Hong-Sik Son
We report obstruction of the left ventricle outflow tract (LVOT) caused by cardiac myxoma that was misidentified as an accessory mitral valve tissue preoperatively. A 65-year-old woman presented with chest discomfort that persisted for 7 days. Transthoracic echocardiography (TTE) revealed a mobile, low-echogenic, balloon-shaped mass attached to the anterior mitral valve leaflet and papillary muscle, which was suspected to be an accessory mitral valve tissue. Because the mass caused LVOT obstruction and it could result in hemodynamic instability, emergency operation was performed...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28443968/patient-with-atrial-myxoma-and-signs-of-obstruction-of-the-left-ventricular-outflow-tract
#2
Antonio Fernando Diniz Freire, Alexandre Anderson de Sousa Soares, Tatiana de Carvalho Andreucci Torres Leal, Mucio Tavares de Oliveira Junior, Alexandre de Matos Soeiro
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28439572/long-term-clinical-and-radiologic-documentation-of-a-maxillary-odontogenic-myxoma-from-early-clinical-signs-to-implant-supported-prosthodontic-rehabilitation-case-report-and-review-of-the-literature
#3
Sebastian Berger, Paul Hakl, Marius Meier, Walter Sutter, Andrej M Kielbassa, Dritan Turhani
Odontogenic myxoma (OM) is a non-metastasizing neoplasm of mesenchymal origin, arising in the tooth-bearing areas of the jaws. When regarding the whole spectrum of differential diagnoses for osteolytic jaw lesions, OM constitutes a benign tumor rarely located in the maxilla. Radiographically, displacement of teeth and frequent involvement of the sinus will be found with advanced maxillary OM. The tumor can be removed by means of several techniques, ranging from conservative measures to extended surgical procedures that differ according to type of bone resection and reconstruction of the defect...
April 24, 2017: Quintessence International
https://www.readbyqxmd.com/read/28433840/the-unusual-presentation-of-a-myxoma-within-the-sphenoid-sinus-case-report-and-review-of-the-literature
#4
Julian V Clarke, Aditi H Mandpe, Peter B Weber, Hannes Vogel, Lewis Z Leng
BACKGROUND: We describe a rare case of a sphenoid sinus myxoma that was resected via an endoscopic endonasal skull base approach. We review the literature regarding these rare tumors of the paranasal sinuses. CASE DESCRIPTION: A 72 year old female was diagnosed with an incidental sphenoid sinus tumor and left sphenoid wing meningioma during work-up for left sided proptosis and diplopia. Biopsies of the sphenoid wing and sphenoid sinus tumors were obtained. After undergoing surgical resection of the meningioma, the patient then underwent definitive resection of the sphenoid sinus myxoma via endoscopic endonasal skull base approach...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28431722/rosai-dorfman-disease-of-right-atrium-mimicking-myxoma
#5
Surendra Nath Khanna, Krishna Subramony Iyer, Mathews Paul, S Radhakrishnan, Arun K Rathi
Rosai-Dorfman disease, or sinus histiocytosis with massive lymphadenopathy, is a rare multisystemic disorder that was first reported by Rosai and Dorfman in 1969. It is a distinct histioproliferative disorder due to overproduction of histiocytes, which accumulate in lymph nodes. The cardiac involvement of this disease is extremely rare, and until now, only 18 cases have been reported. We report the case of a 53-year-old woman with right atrial mass mimicking myxoma, which the histopathologic evaluation revealed to be Rosai-Dorfman disease of the right atrium...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28428531/-effective-anticoagulation-therapy-prior-to-surgical-excision-of-an-aortic-valve-papillary-fibroelastoma-diagnosed-after-a-transient-cerebral-ischemic-attack-report-of-a-case
#6
Masashi Toyama, Tomonobu Abe, Masato Nakayama, Bummei Sato, Osamu Ohno
Cardiac papillary fibroelastoma is reported to be the 2nd most common cardiac tumor following myxoma. Owing to the risk of embolism, early surgical excision is the treatment of choice. We report a case of effective anticoagulation therapy prior to surgical excision of an aortic valve papillary fibroelastoma. A 78-year-old man was admitted to our hospital because of transient cerebral ischemic attack. The symptom was relieved in a short period. Echocardiography revealed a tumor at the aortic valve. Cardiac computed tomography revealed a sea-anemone-like appearance of the tumor...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28423725/preoperative-assessment-of-mitral-valve-abnormalities-in-left-atrial-myxoma-patients-using-cardiac-ct
#7
Jing Chen, Zhi-Gang Yang, En-Sen Ma, Qin Zhang, Xi Liu, Ying-Kun Guo
BACKGROUND: To retrospectively evaluate mitral valve abnormality in left atrial myxoma patients by using cardiac computed tomography (CT). MATERIAL AND METHODS: Cardiac CT was performed in 56 patients with left atrial myxoma and 50 controls. Tumor and mitral valve characteristics were analyzed. The mitral valve parameters differences were compared between patients with myxoma and controls, myxoma with or without mitral valve obstruction, different obstruction degrees, respectively...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422827/a-case-of-a-resected-benign-myxoma-like-hemorrhagic-cyst-which-later-recurred-as-undifferentiated-pleomorphic-sarcoma-in-the-left-atrium
#8
Eunju Kim, Seo-Won Choi, Daniel Min, Sang Hoon Kim, Woo-In Yang, Jae Youn Moon, Jung Hoon Sung, In Jai Kim, Sang-Wook Lim, Dong-Hun Cha, Byung Moon, Sang-Ho Cho, Won-Jang Kim
RATIONALE: An intracardiac cystic mass is a rare type of mass found in the left atrium. The differential diagnosis of an intracardiac cystic mass includes hydatid cysts, bronchogenic cysts, intracardiac varices, and hemorrhages in some tumor types, including myxoma. PATIENT CONCERNS: We present the case of a 68-year-old woman who presented with episodic dyspnea. DIAGNOSES-INTERVENTIONS-OUTCOMES: Transthoracic echocardiography (TTE) revealed the presence of a left atrial mass mimicking myxoma...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28417503/robotic-resection-of-giant-left-ventricular-myxoma-causing-outflow-tract-obstruction
#9
Burak Onan, Zeynep Kahraman, Mehmet Erturk, Korhan Erkanli
We report a 38-year-old female, who presented with progressive dyspnea and fatigue. Echocardiography revealed a giant and freely mobile left ventricular myxoma causing left ventricular outflow tract (LVOT) obstruction. The patient underwent totally endoscopic robotic excision of a giant left ventricular myxoma. The tumor was completely removed through the mitral valve orifice with a left atriotomy incision.
April 17, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28393998/-large-mitral-annulus-myxoma-presenting-with-syncope-report-of-one-case
#10
Julián Vega, Luigi Gabrielli, Gabriel Olivares, Samuel Córdova, Manuel Méndez, Rodrigo González
We report a 23-year-old woman, with three recent exertional syncopes. Transthoracic (TTE) and transesophageal (TEE) echocardiography found a large heterogeneous mass (38 x 35 mm) arising from the posterior mitral annulus, protruding in systole through the left ventricular outflow tract (LVOT). Heart MRI confirmed the echocardiography findings, suggesting a cardiac myxoma. Cardiac surgery accomplished the complete resection of the lesion, confirming a mass arising from the posterior mitral annulus and preserving mitral anatomy and function...
December 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28384930/intrascrotal-muscular-myxoma-a-case-report
#11
Prasanna Kumar Debata, Vivek G Nath, Ramakant Mohanty, Jitendra Kumar Barad, Debasis Debata
Myxomas are gelatinous tumours that commonly appear as circumscribed masses situated within muscles. It can occur at various sites. However, mostly found in cardiac muscles and skeletal muscles of extremities. Published cases of intrascrotal myxoma are rare in literature. A 28-year-old male was admitted to our General Surgery Department with a history of a gradually enlarging mass in the scrotum and scrotal discomfort since two years. After cytological and imaging investigations, a scrotal exploration was performed with plexiform neurofibroma as the preoperative diagnosis...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28376601/-epstein-barr-virus-positive-large-b-cell-lymphoma-arising-within-atrial-myxoma-report-of-a-case
#12
Y Y Jiang, C W Jiang, L P Wang
No abstract text is available yet for this article.
April 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28369983/microinsertions-in-prkaca-cause-activation-of-the-protein-kinase-a-pathway-in-cardiac-myxoma
#13
I-Ching Tseng, Wei-Ju Huang, Yu-Ling Jhuang, Ya-Yun Chang, Hung-Pin Hsu, Yung-Ming Jeng
Cardiac myxoma is the most common cardiac tumour. Most lesions occur sporadically, but occasional lesions develop in patients with Carney complex, a syndrome characterised by cardiac myxoma, spotty pigmentation, and endocrine overactivity. Two-thirds of patients with Carney complex harbour germline mutations in PRKAR1A, which encodes the type I regulatory subunit of protein kinase A (PKA). Most studies have not found a mutation in PRKAR1A in sporadic cardiac myxoma cases. Recent studies identified frequent mutation in PRKACA, the catalytic subunit of PKA, in cortisol-secreting adrenocortical adenoma cases...
March 28, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28368885/68ga-psma-pet-ct-uptake-in-intramuscular-myxoma-imitates-prostate-cancer-metastasis
#14
Helle D Zacho, Julie B Nielsen, Katja Dettmann, Sonja H Hjulskov, Lars J Petersen
Ga-PSMA PET/CT is becoming the most promising imaging modality for detecting recurrent prostate cancer. The modality has the advantage of being able to detect recurrent disease, even at very low prostate-specific antigen levels. However, several studies report Ga-PSMA uptake in tissue unrelated to prostate cancer. We present a 74-year-old man who underwent Ga-PSMA PET/CT for recurrent prostate cancer 5 years after radical prostatectomy. The Ga-PSMA PET/CT showed an intramuscular lesion with increased PSMA uptake in the left vastus medialis muscle...
March 31, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28367853/familial-atrial-myxoma-three-related-cases-at-an-australian-tertiary-institution
#15
Campbell Schmidt, Atsuo Doi, Masashi Ura, Chris Cole, Julie Mundy
Carney complex accounts for up to two-thirds of familial cardiac myxoma. It is a rare autosomal dominant syndrome, which is also characterized by multiple mucocutaneous lesions and endocrine tumors. We report on three first-degree relatives who underwent surgical resection at the same Australian tertiary institution. One patient re-presented with a recurrent tumor at an interval of 6 years. In this context, the role of interval surveillance, family screening, and genetic testing is explored. We recommend interval echocardiographic surveillance for affected individuals and first-degree relatives given the high risk of recurrence and the morbidity and mortality associated with cardiac tumors in any location...
March 29, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28359503/huge-cardiac-myxoma
#16
Jean Paul Remadi, Layal Abdallah, Christophe Tribouilloy
No abstract text is available yet for this article.
April 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28355718/-the-clinical-characteristics-of-stroke-in-young-patients-with-cardiac-myxoma
#17
G F Cao, Q Bi, L Cao, C Wang
Objective: To investigate the clinical characteristics of stroke in young patients with cardiac myxoma. Methods: Medical records of young patients (aged between 18-44 years) diagnosed with cardiac myxoma in Beijing Anzhen Hospital affiliated to Capital Medical University from January 2005 to March 2016 were retrospective reviewed. Results: A total of 117 cases were included (85 female and 32 male)with the average age (36±7)years old. Most myxomas (83.8%) were located in the left atrium, 7.7% were in the right atrium, 3...
April 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28347356/surgical-resection-of-cardiac-myxoma-a-30-year-single-institutional-experience
#18
Kyo Seon Lee, Gwan Sic Kim, Yochun Jung, In Seok Jeong, Kook Joo Na, Bong Suk Oh, Byung Hee Ahn, Sang Gi Oh
BACKGROUND: Primary cardiac tumors are rare and myxoma constitutes the majority. The present study summarizes our 30-year clinical outcomes of surgical myxoma resection. METHODS: Between January 1986 and December 2015, 93 patients (30 men, 63 women; mean age, 54.7 ± 16.6 years) underwent surgical myxoma resection. The most common origin site was the left atrium. Surgery was performed via a biatrial approach in 74.2%, atrial septotomy through right atriotomy in 17...
March 27, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28347347/a-rare-case-of-biventricular-myxoma
#19
Tangsakar Ermek, Naibi Aybek, Wei-Min Zhang, Yong-Zhong Guo, Sheng Guo, Azze Mamataly, Dong-Qing Chang, Jun Liu, Zong-Gang Zhang
BACKGROUND: Cardiac myxoma is the most common primary cardiac tumor. Approximately 75-80% of myxomas are located in the left atrium. Occurrence of multiple myxomas is extremely rare. CASE PRESENTATION: We describe a rare case of biventricular myxomas resulting in right ventricular inflow and tricuspid valve obstruction. The lesions were detected by echocardiography and thoracic computerized tomography (CT) and confirmed on positron emission tomography-computed tomography...
March 27, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28345022/ex%C3%A2-vivo-oncolytic-virotherapy-with-myxoma-virus-arms-multiple-allogeneic-bone-marrow-transplant-leukocytes-to-enhance-graft-versus-tumor
#20
Cameron L Lilly, Nancy Y Villa, Ana Lemos de Matos, Haider M Ali, Jess-Karan S Dhillon, Tom Hofland, Masmudur M Rahman, Winnie Chan, Bjarne Bogen, Christopher Cogle, Grant McFadden
Allogeneic stem cell transplant-derived T cells have the potential to seek and eliminate sites of residual cancer that escaped primary therapy. Oncolytic myxoma virus (MYXV) exhibits potent anti-cancer efficacy against human cancers like multiple myeloma (MM) and can arm transplant-derived T cells to become more effective cancer killers in vitro and in an immunodeficient xenotransplant murine model. Here, we tested ex vivo MYXV virotherapy against residual murine MM in immunocompetent mice using an allogeneic mouse-mouse model...
March 17, 2017: Molecular Therapy Oncolytics
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