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Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology

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https://www.readbyqxmd.com/read/28527820/adventitial-cystic-disease-of-radial-artery-apropos-of-a-case-and-review-of-literature
#1
Álvaro Torres-Blanco, Luis Ariel Pepén-Moquete, Vicente Molina-Nácher, Francisco Gómez-Palonés
Adventitial cystic disease is an uncommon condition that is characterized by the collection of mucinous material that accumulates in the adventitial layer of the artery. Predominantly, this entity affects the popliteal artery, whereas it is extremely rare in the radial artery. We report a 72-year-old female patient that underwent surgical treatment of an adventitial cyst of the right radial artery. The involved arterial segment was resected, and reconstruction by means of the interposition of a saphenous vein graft was performed...
May 11, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28500877/clinically-isolated-aortitis-pitfalls-progress-and-possibilities
#2
REVIEW
Ilkay Cinar, He Wang, James R Stone
Non-infectious aortitis may be caused by several distinct systemic rheumatologic diseases. In some patients, aortitis is identified either pathologically or radiologically in the absence of clinical evidence of a systemic vasculitis. By consensus nomenclature, such cases are referred to as clinically isolated aortitis (CIA). Some systemic disorders may initially present as CIA including giant cell arteritis (GCA), IgG4-related disease, infectious aortitis, and granulomatosis with polyangiitis. CIA most commonly occurs in women of European descent over the age of 50 and, thus, mirrors the gender, age, and geographic distribution of GCA...
April 23, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28460244/late-onset-cardiomyopathy-as-presenting-sign-of-attr-a45g-amyloidosis-caused-by-a-novel-ttr-mutation-p-a65g
#3
Sebastiaan H C Klaassen, Henny H Lemmink, Johan Bijzet, Andor W J M Glaudemans, Reinhard Bos, Wouter Plattel, Maarten P van den Berg, Riemer H J A Slart, Hans L A Nienhuis, Dirk J van Veldhuisen, Bouke P C Hazenberg
OBJECTIVE: The clinical description of a novel TTR gene mutation characterized by a late onset amyloid cardiomyopathy. METHODS AND RESULTS: A 78-year-old man of Dutch origin with recent surgery for bilateral carpal tunnel syndrome (CTS) was admitted to our hospital because of heart failure with preserved ejection fraction (55%). Cardiac ultrasound showed thickened biventricular walls, and cardiac magnetic resonance imaging also showed late gadolinium enhancement...
April 18, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28453968/association-of-altered-collagen-content-and-lysyl-oxidase-expression-in-degenerative-mitral-valve-disease
#4
K-Raman Purushothaman, Meerarani Purushothaman, Irene C Turnbull, David H Adams, Anelechi Anyanwu, Prakash Krishnan, Annapoorna Kini, Samin K Sharma, William N O'Connor, Pedro R Moreno
BACKGROUND: Collagen cross-linking is mediated by lysyl oxidase (LOX) enzyme in the extracellular matrix (ECM) of mitral valve leaflets. Alterations in collagen content and LOX protein expression in the ECM of degenerative mitral valve may enhance leaflet expansion and disease severity. METHODS: Twenty posterior degenerative mitral valve leaflets from patients with severe mitral regurgitation were obtained at surgery. Five normal posterior mitral valve leaflets procured during autopsy served as controls...
April 12, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28433861/c-reactive-protein-and-enzymatically-modified-ldl-cooperatively-promote-dendritic-cell-mediated-t-cell-activation
#5
Wei He, Yong Ren, Xiao Wang, Qiao Chen, Shifang Ding
BACKGROUND: Enzymatically modified low density lipoprotein (eLDL), C reactive protein (CRP), dendritic cells (DCs), and T cells were shown to be involved in the pathogenesis of atherosclerosis. This study aimed to investigate whether eLDL and CRP could cooperatively promote DC-mediated T cell activation and proliferation. METHOD: Low density lipoprotein was isolated from healthy human plasma and treated with proteases and cholesterol esterase. CD14(+) monocytes were isolated from human peripheral blood by gradient centrifugation and enriched with CD14 Microbeads, which were then induced with recombinant human IL-4 and granulocyte-macrophage colony-stimulating factor before treated with eLDL and/or CRP...
April 7, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28433862/left-ventricular-outflow-tract-rupture-during-transcatheter-aortic-valve-implantation-anatomic-evidence-of-the-vulnerable-area
#6
Giuseppe Tarantini, Cristina Basso, Luca Nai Fovino, Chiara Fraccaro, Gaetano Thiene, Stefania Rizzo
No abstract text is available yet for this article.
April 5, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28395201/syndecan-4-deficiency-accelerates-the-transition-from-compensated-hypertrophy-to-heart-failure-following-pressure-overload
#7
Guannan Li, Jun Xie, Jianzhou Chen, Ran Li, Han Wu, Xinlin Zhang, Qinhua Chen, Rong Gu, Biao Xu
Increasing evidence suggests that a mismatch between angiogenesis and myocardial growth contributes to the transition from adaptive cardiac hypertrophy to heart failure following pressure overload. Syndecan-4 is a transmembrane proteoglycan that binds to growth factors and extracellular matrix proteins and is critical in focal adhesion formation. However, its effects on coronary angiogenesis during pressure overload-induced heart failure have not been studied. Here, we hypothesize that syndecan-4 modulates cardiac remodeling in response to pressure overload through its ability to regulate adaptive angiogenesis...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28376415/corynebacterium-propinquum-endocarditis-a-confounding-presentation-of-a-rare-entity
#8
Bryan Rea, Jaleah Hawkins, Htun Min, Richard Maniglia, Naasha Talati, Laurel Glaser
Infective endocarditis is rarely caused by Corynebacterium species. We report a unique case of Corynebacterium propinquum endocarditis in an otherwise healthy individual, and it is the first example of this organism causing culture-negative endocarditis. Conflicting clinical and microbiological data led to the use of sequencing to confirm the causative organism. This case illustrates C. propinquum as a cause of infective endocarditis, and it demonstrates the utility of ancillary molecular diagnostic techniques to identify etiologic agents in difficult cases of infective endocarditis...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28340470/calcifying-giant-cell-cardiomyopathy-a-possible-new-entity-images-in-cardiovascular-pathology
#9
Ke-Yong Wang, Sohsuke Yamada, Shohei Shimajiri, Ryuji Nakano, Naoki Yamashita, Tetsuya So, Akihide Tanimoto
We demonstrated an extremely unusual case of an 83-year-old male's sudden death secondary to characteristic myocardial necrosis and fibrosis with calcification and multinucleated giant cells infiltration, possibly due to sepsis and Stage IV pulmonary pleomorphic carcinoma-induced cachexia after postmortem study. We propose that this calcifying giant cell cardiomyopathy (CGC) would be a new entity especially from the pathological viewpoints and should be considered in the classification of noninfectious myocarditis...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28334597/intramyocardial-bronchogenic-cyst-histological-appearance-and-a-review-of-the-literature
#10
Naoki Nishida, Yukiko Hata, Kazuhiro Nomoto
We report histological appearance of a bronchogenic cyst that was incidentally found in a 78-year-old man who died from drowning related to a traumatic accident. The cyst was found in the posterior edge of the interventricular septum and was monolocular with a 5-mm diameter. The cystic wall was not associated with cartilage or the smooth muscle layer, and was lined by ciliated respiratory epithelium. Immunohistochemistry showed that many of these epithelial cells were positive for cytokeratin 7 and thyroid transcription factor-1...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28334596/lymphocyte-rich-capillary-cavernous-hemangioma-of-the-mitral-valve-a-case-report-and-review-of-the-literature
#11
J Fernando Val-Bernal, Nuria Terán-Villagrá, Olga García-Diego, José A Sarralde
Valvular hemangioma incidence is extremely low. In this report, we describe a 62-year-old man who presented with mild edema of the lower limbs. An echocardiogram revealed an incidental 1.3-cm diameter mass on the anterior mitral valve leaflet for which he underwent surgical resection and mitral valve replacement. Histopathological examination showed a lymphocyte-rich capillary-cavernous hemangioma. The exuberant lymphoid stroma is unusual for hemangioma and represents an undescribed pattern of cardiac hemangioma...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28319834/molecular-mechanisms-in-the-pathogenesis-of-arrhythmogenic-cardiomyopathy
#12
REVIEW
Jeffrey E Saffitz
The article is based on work presented in the Distinguished Achievement Award lecture at the Society for Cardiovascular Pathology meeting in Seattle, WA, in March 2016. It reviews our current understanding of mechanisms responsible for a highly arrhythmogenic, nonischemic cardiomyopathy. It highlights the armamentarium of powerful methods available to the experimental pathologist in efforts to define how complex cardiovascular diseases work. It concludes with acknowledgment of the need for a far more detailed approach as to how we categorize human disease, a task for which pathologists are especially well positioned...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28319833/aortic-calcified-particles-modulate-valvular-endothelial-and-interstitial-cells
#13
Nicole C A van Engeland, Sergio Bertazzo, Padmini Sarathchandra, Ann McCormack, Carlijn V C Bouten, Magdi H Yacoub, Adrian H Chester, Najma Latif
BACKGROUND: Normal and calcified human valve cusps, coronary arteries, and aortae harbor spherical calcium phosphate microparticles of identical composition and crystallinity, and their role remains unknown. OBJECTIVE: The objective was to examine the direct effects of isolated calcified particles on human valvular cells. METHOD AND RESULTS: Calcified particles were isolated from healthy and diseased aortae, characterized, quantitated, and applied to valvular endothelial cells (VECs) and interstitial cells (VICs)...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28314213/primary-intracardiac-leiomyoma-arising-from-cardiomyocyte-progenitors-at-the-right-ventriculoseptal-interface-case-report-with-literature-review
#14
Kavita Gaur, Kaushik Majumdar, Navnita Kisku, Ranjana Gondal, Puja Sakhuja, Deepak Kumar Satsangi
Primary cardiac neoplasms are rare and are usually benign myxomas and rhabdomyomas. Cardiac leiomyomas are usually seen as a part of the spectrum of intravenous leiomyomatosis or benign metastasizing leiomyoma. De novo occurrence of primary intracardiac leiomyomas (PICL) is a rarity. Herein we describe a 14-year-old boy presenting with intermittent dyspnea for 2 years, with a large right ventricular mass suggestive of myxoma on transthoracic echocardiography, without any extracardiac lesions. Histology and immunohistochemistry of the tumor excised under cardiopulmonary bypass confirmed a PICL arising at the cardiomyocyte-smooth muscle septal interface...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28288410/coronary-fat-embolism-following-subarachnoid-hemorrhage-an-experimental-study
#15
Ednan Bayram, Canan Atalay, Ender Altaş, Yavuzer Koza, Eşref Kabalar, Mahmut Açıkel, Mehmet Dumlu Aydın
BACKGROUND: Subarachnoid hemorrhage (SAH) can lead to neurogenic pulmonary edema (NPE), and chylomicron metabolism may be altered unfavorably in acute lung injury. This study aimed to investigate the possible effect of NPE on the development of coronary fat embolism. METHODS: This study was conducted on 27 rabbits, 5 of which were used as the control (n=5). Experimental SAH was induced in 15 of the animals by injecting homologous blood into the cisterna magna, and the remaining 7 animals were administered only isotonic saline solution (Sham, n=7) in the same manner under general anesthesia...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28288409/zygomycotic-infective-endocarditis-in-pregnancy
#16
Pradeep Vaideeswar, Rushabh Shah
Under the circumstances of cardiovascular adaptations and immunomodulation, an uncommon but disastrous complication of infective endocarditis (IE) can occur in pregnancy. Almost all the cases reported earlier were caused by bacteria. We report a fatal case of zygomycotic valvular and mural endocarditis in a young non-diabetic primigravida with a positive hepatitis B serology.
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28284062/the-content-of-collagen-type-ii-in-human-arteries-is-correlated-with-the-stage-of-atherosclerosis-and-calcification-foci
#17
Aleksandra Kuzan, Agnieszka Chwiłkowska, Celina Pezowicz, Wojciech Witkiewicz, Andrzej Gamian, Krzysztof Maksymowicz, Magdalena Kobielarz
OBJECTIVE: The signature processes during atherosclerosis development are arterial calcification and accumulation in the arterial walls of proteins that are specific to bone and cartilage, e.g., collagen type II. The purpose of this study was to characterize localization of collagen type II and quantify its content in human arteries. RESULTS: The study was conducted on sections of thoracic and abdominal aortas (n=97) subjected to histological evaluation and classified into six grades according to the Stary scale of the atherosclerosis severity...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28282543/sudden-cardiac-death-and-sarcoidosis-of-the-heart-in-a-young-patient
#18
Morgane Jotterand, Silke Grabherr, Johannes Alexandre Lobrinus, Katarzyna Michaud
Sarcoidosis is a granulomatous disease of unknown etiology affecting any organ, microscopically characterized by noncaseating granulomata. Cardiac involvement in sarcoidosis has been reported. It might be symptomatic or not and even revealed by sudden death. Heart conduction system is rarely investigated at autopsy, even in cases of sudden cardiac death. We present a case of a 32-year-old woman who died suddenly. The examination of the heart conduction system revealed a cardiac sarcoidosis that could explain the sudden death...
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28259839/fatal-fungal-endocarditis-by-aspergillus-udagawae-an-emerging-cause-of-invasive-aspergillosis
#19
Atsuko Seki, Atsushi Yoshida, Yoko Matsuda, Mitsuhiro Kawata, Takashi Nishimura, Jun Tanaka, Yoshiki Misawa, Yuta Nakano, Ryoko Asami, Koji Chida, Ken Kikuchi, Tomio Arai
Aspergillus udagawae has morphological similarities to Aspergillusfumigatus; however, it shows a low susceptibility to common antifungal drugs and poor in vitro sporulation. We present the first reported case of infectious endocarditis caused by A. udagawae. An awareness of this newly described Aspergillus species is vital for further clarification.
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28242485/cardiac-myxoma-report-of-a-case-with-bizarre-histiocytic-infiltration
#20
Deepika Savant, Leonard Kahn
No abstract text is available yet for this article.
May 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
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