A short-axis cut through the ventricular myocardium shows subendocardial necrosis on the left ventricular aspect of the interventricular septum and in the anterior left ventricular wall (including the anterior papillary muscle of the mitral valve). (thoracickey.com)
Concurrent echocardiographic and electrocardiographic abnormalities include hyperechoic foci in the left ventricular papillary muscles, septal hypokinesis, decreased left ventricular systolic and diastolic volume and internal diameter, and atrioventricular (AV) block. (auburn.edu)
Myocardial necrosis in infants is most common in areas of the heart that are most sensitive to hypoxia: the subendocardial region and papillary muscles of the atrioventricular valves. (thoracickey.com)
This chapter is devoted to the macroscopic and microscopic appearance of myocardial ischaemia and includes discussion of regional myocardial infarction and of papillary muscle rupture. (thoracickey.com)
Abnormalities1
Affected dogs have poor weight gain and weight loss with gait abnormalities, exercise intolerance, skeletal muscle atrophy, macroglossa, ptyalism, dysphagia, kyphosis, and a plantigrade stance developing by 6 months of age. (auburn.edu)
Leaflets1
Ventricular impairment and dilation displace the papillary muscles outward, which tether the otherwise normal leaflets and prevent them from closing fully. (msdmanuals.com)
Inflammation1
Skeletal muscle pathology in affected dogs is similar to what has been described in people with DMD and includes myocyte degeneration, necrosis, and regeneration, fibrofatty infiltration, lymphohistiocytic inflammation, and mineralization. (auburn.edu)
Occur1
PDCIS tumors may occur alongside of (non-papillary) ductal carcinoma in situ or EPC tumors. (wikipedia.org)
Skeletal1
It can originate from both skeletal and heart striated muscle, which does not mean that these are the most common locations of the tumor [ 5 ]. (biomedcentral.com)
Areas1
PDCIS tissues may also contain areas of "Comedo-type necrosis", i.e. areas where dead cells have accumulated. (wikipedia.org)
Rare1
Papillary carcinomas of the breast (PCB), also termed malignant papillary carcinomas of the breast, are rare forms of the breast cancers. (wikipedia.org)
Forms1
The frequency of myocardial necrosis in the hearts of infants with various forms of congenital heart disease coming to autopsy is shown in Table 6.1 . (thoracickey.com)
Papilloma1
The World Health Organization (2019) classified papillary neoplasms (i.e. benign or cancerous tumors) of the breast into 5 types: intraductal papilloma, papillary ductal carcinoma in situ (PDCIS), encapsulated papillary carcinoma (EPC), solid-papillary carcinoma (SPC), and invasive papillary carcinoma (IPC). (wikipedia.org)
Carcinoma3
The World Health Organization regarded solid papillary carcinoma as having two subtypes: in situ and invasive SPC. (wikipedia.org)
Information on the frequency and clinical features of PDCIS is limited since it and EPC were regarded as the same lesion termed intracystic papillary carcinoma until 2012. (wikipedia.org)
PDCIS tumors may occur alongside of (non-papillary) ductal carcinoma in situ or EPC tumors. (wikipedia.org)
Malignant1
Papillary carcinomas of the breast (PCB), also termed malignant papillary carcinomas of the breast, are rare forms of the breast cancers. (wikipedia.org)
Ducts1
The microscopic histopathology of typical PDCIS lesions (refer to adjacent high-power photomicrograph) prepared with a hematoxylin and eosin stain consists of mammary ducts that have papillary fronds (i.e. thin, finger-like or leaf-like structures) lined with one or several layers of neoplastic, columnar-shaped epithelial cells (i.e. tall, narrow cells with their nuclei close to the site of their ductal attachment). (wikipedia.org)
Vascular smooth2
Minoxidil has a relatively large volume of distribution of approximately 200L, the drug preferentially concentrating in certain extravascular sites, such as vascular smooth muscle. (springer.com)
A nursing instructor is explaining the role of vascular smooth muscle cells in relation to increases in systemic circulation. (charteredtutorials.com)
Nerve1
Enhanced efferent sympathetic activity, increased concentrations of circulating catecholamines, and local release of catecholamines from nerve endings in the heart muscle itself have been proposed to play roles in the development of peri-infarction arrhythmias. (medscape.com)
Include1
Concurrent echocardiographic and electrocardiographic abnormalities include hyperechoic foci in the left ventricular papillary muscles, septal hypokinesis, decreased left ventricular systolic and diastolic volume and internal diameter, and atrioventricular (AV) block. (auburn.edu)
Cells3
Epithelial cells lining the fronds' inner surfaces commonly form solid, cribriform (i.e. large nests of cells perforated by many rounded, variably sized spaces), or micro-papillary patterns. (wikipedia.org)
PDCIS tissues may also contain areas of "Comedo-type necrosis", i.e. areas where dead cells have accumulated. (wikipedia.org)
Because they do not enter the tunica media of the blood vessel, the nerves do not synapse directly on the smooth muscle cells. (charteredtutorials.com)
Results2
PMID- 5428672 TI - Results of the dynamic muscle sphincter operation in cleft palates. (nih.gov)
this results in contraction of the entire muscle cell layer and thus reduces the radius of the vessel lumen. (charteredtutorials.com)