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LOW-GRADE ADENOSQUAMOUS CARCINOMA  A: At low power, subtle <span class="search-highlight">cords</span>, glands, a...
Published: 01 January 2024
LOW-GRADE ADENOSQUAMOUS CARCINOMA Figure 8-59 LOW-GRADE ADENOSQUAMOUS CARCINOMA A: At low power, subtle cords, glands, and nests of epithelial cells are seen haphazardly placed in the stroma. Scattered lymphoid aggregates are present. B,C: Some nests have a squamoid appearance (B) and others are... More about this image found in LOW-GRADE ADENOSQUAMOUS CARCINOMA A: At low power, subtle cords, glands, a...
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SCLEROSING ADENOSIS  A: At low power, this example of sclerosing adenosis a...
Published: 01 January 2024
SCLEROSING ADENOSIS Figure 6-5 SCLEROSING ADENOSIS A: At low power, this example of sclerosing adenosis appears to be composed predominantly of cords of cells with scattered admixed glands. B: At higher power, both patterns are better appreciated. Myoepithelial cells are difficult to discern. More about this image found in SCLEROSING ADENOSIS A: At low power, this example of sclerosing adenosis a...
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MYXOMATOUS MITRAL VALVE DISEASE: <span class="search-highlight">CORD</span> RUPTURE  A single ruptured <span class="search-highlight">cord</span> (yell...
Published: 15 November 2023
MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE Figure 10-5 MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE A single ruptured cord (yellow arrow) can lead to an unsupported (flail) valve segment and regurgitation. The most commonly involved segment is the P2 segment of the posterior leaflet. More about this image found in MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE A single ruptured cord (yell...
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MITRAL VALVE: TENDINOUS <span class="search-highlight">CORDS</span>  A: Atrial aspect of commissural <span class="search-highlight">cord</span> (large ...
Published: 15 November 2023
MITRAL VALVE: TENDINOUS CORDS Figure 1-14 MITRAL VALVE: TENDINOUS CORDS A: Atrial aspect of commissural cord (large arrows) provides several branches to both leaflets (*). B: Types of cords (posterior leaflet) viewed on edge: primary (free edge or marginal) cords attach to the edges of leaflets,... More about this image found in MITRAL VALVE: TENDINOUS CORDS A: Atrial aspect of commissural cord (large ...
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TENDINOUS <span class="search-highlight">CORD</span> SAMPLING  Tendinous <span class="search-highlight">cords</span> of the tricuspid valve may be inad...
Published: 15 November 2023
TENDINOUS CORD SAMPLING Figure 24-20 TENDINOUS CORD SAMPLING Tendinous cords of the tricuspid valve may be inadvertently sampled during right ventricular biopsy and result in tricuspid valve regurgitation. More about this image found in TENDINOUS CORD SAMPLING Tendinous cords of the tricuspid valve may be inad...
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CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE  A fenestrated (<span class="search-highlight">cord</span>-...
Published: 15 November 2023
CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE Figure 9-12 CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE A fenestrated (cord-like) raphe may be present, in which the raphe is attached to the aortic sinus, providing support to the conjoined cusp. A free space (yellow arrow) is benea... More about this image found in CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE A fenestrated (cord-...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-13
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
...) ( 16 ). Occasionally, microcalcifications are present ( 17 ). Microscopic Findings. Microscopically, syringomatous tumor is often subtle. The tumor is composed of small glands, nests, and cords of bland cells with round to oval nuclei ( figs. 13-10 , 13-11 ) ( 14 ). Some of the nests are tadpole...
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LEFT VENTRICULAR PSEUDOTENDONS (FALSE <span class="search-highlight">CORDS</span>)  Left: An in situ pseudotendon...
Published: 15 November 2023
LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Figure 51-25 LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Left: An in situ pseudotendon (yellow arrow) spans between a papillary muscle to the left ventricular free wall. Right: A surgically resected pseudotendon appears as a simple, nondescript fibro... More about this image found in LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Left: An in situ pseudotendon...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-12
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
...Sex cord-stromal tumors comprise a group of neoplasms that show differentiation toward tissues derived from the primitive sex cord. These structures are first identified in the 7th week of embryogenesis ( 1 ). In a female, the indifferent gonad develops primitive proliferating sex cords...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-06
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... of the lesion, resulting in the appearance of solid, linear cords of cells rather than a small, glandular proliferation. The architectural lobulocentricity is retained, however, with the cords of cells arrayed in a swirling pattern ( fig. 6-5 ). SCLEROSING ADENOSIS WITH DENSE EOSINOPHILIC STROMA Figure 6-4...
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MYXOMA (LEPIDIC) CELLS  A: Bland spindle cells occur singly and in small co...
Published: 15 November 2023
MYXOMA (LEPIDIC) CELLS Figure 41-8 MYXOMA (LEPIDIC) CELLS A: Bland spindle cells occur singly and in small cords and clusters. B: Perivascular ring structures. C: Complex anastomosing cords around small tumoral blood vessels. More about this image found in MYXOMA (LEPIDIC) CELLS A: Bland spindle cells occur singly and in small co...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-08
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
.... This is characterized by an admixture of tumor cells arrayed in cords or in single file, as is seen in invasive lobular carcinoma, along with areas more typical of tubular carcinoma ( fig. 8-45 ) ( 144 ). The prognosis is not as good as with pure tubular carcinoma, since tumor multifocality and lymph node metastases...
Images
TRICUSPID VALVE  A: Base-of-heart, viewed from base toward apex. Annulus: n...
Published: 15 November 2023
TRICUSPID VALVE Figure 1-11 TRICUSPID VALVE A: Base-of-heart, viewed from base toward apex. Annulus: noncircular orifice (dashed line), with flattened segment adjacent to septal leaflet. The annular region associated with the anterior and posterior leaflets lies adjacent to the right coronary art... More about this image found in TRICUSPID VALVE A: Base-of-heart, viewed from base toward apex. Annulus: n...
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PAPILLARY FIBROELASTOMA: ELASTIC TISSUE  The elastic layers, highlighted wi...
Published: 15 November 2023
PAPILLARY FIBROELASTOMA: ELASTIC TISSUE Figure 40-9 PAPILLARY FIBROELASTOMA: ELASTIC TISSUE The elastic layers, highlighted with an elastic stain, are granular, somewhat mimicking a tendinous cord. More about this image found in PAPILLARY FIBROELASTOMA: ELASTIC TISSUE The elastic layers, highlighted wi...
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ENDOCARDIAL METASTASIS  Metastatic papillary thyroid carcinoma tumors (yell...
Published: 15 November 2023
ENDOCARDIAL METASTASIS Figure 52-7 ENDOCARDIAL METASTASIS Metastatic papillary thyroid carcinoma tumors (yellow asterisk) involve the papillary muscle and tendinous cords of the tricuspid valve. More about this image found in ENDOCARDIAL METASTASIS Metastatic papillary thyroid carcinoma tumors (yell...
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POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE  This surgically resected...
Published: 15 November 2023
POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE Figure 9-26 POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE This surgically resected mitral valve has a narrowed (buttonhole) orifice with prominent fusion of the leaflets, commissures, and tendinous cords. More about this image found in POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE This surgically resected...
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POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE  The process of prominent...
Published: 15 November 2023
POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE Figure 9-24 POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE The process of prominent fibrotic thickening and fusion of the leaflets, commissure, and tendinous cords is seen, extending down to the papillary muscle endocardium. More about this image found in POSTINFLAMMATORY (RHEUMATIC) MITRAL VALVE DISEASE The process of prominent...
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SEPTIC THROMBOPHLEBITIS  Left: Transmural inflammation at low power.  Right...
Published: 15 November 2023
SEPTIC THROMBOPHLEBITIS Figure 33-5 SEPTIC THROMBOPHLEBITIS Left: Transmural inflammation at low power. Right: The intima shows smooth muscle cell-rich thickening. The patient was a victim of head trauma and developed sepsis and a cord-like arm vein. More about this image found in SEPTIC THROMBOPHLEBITIS Left: Transmural inflammation at low power. Right...
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LEFT VENTRICULAR DIVISIONS  The base-apex length is di vided into thirds. T...
Published: 15 November 2023
LEFT VENTRICULAR DIVISIONS Figure 1-6 LEFT VENTRICULAR DIVISIONS The base-apex length is di vided into thirds. The basal third cor responds to mitral leaflets and their tendinous cords, and the middle third contains the mitral papillary muscles. The apical third has no mitral components. More about this image found in LEFT VENTRICULAR DIVISIONS The base-apex length is di vided into thirds. T...
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PAPILLARY FIBROELASTOMAS: ARISING ON DAMAGED ENDOCARDIUM  These PFEs (yello...
Published: 15 November 2023
PAPILLARY FIBROELASTOMAS: ARISING ON DAMAGED ENDOCARDIUM Figure 40-6 PAPILLARY FIBROELASTOMAS: ARISING ON DAMAGED ENDOCARDIUM These PFEs (yellow arrows) are arising on the tensor apparatus of a damaged anterior mitral valve leaflet secondary to chronic rheumatic mitral valve disease, evidenced by... More about this image found in PAPILLARY FIBROELASTOMAS: ARISING ON DAMAGED ENDOCARDIUM These PFEs (yello...