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Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch36
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
...) is involuted and minimally patent as it enters the aorta. Right: On cross section, the coarctation site forms an obstructive ridge (large arrow), with a nearly closed ductal artery (small arrow) opposite it. COARCTATION OF THE AORTA: POSTPROCEDURAL RE-COARCTATION Figure 36-41 COARCTATION OF THE AORTA...
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CARDIAC ECHINOCOCCUS  Parasitic cysts may be large and <span class="search-highlight">obstructive</span>, impedin...
Published: 15 November 2023
CARDIAC ECHINOCOCCUS Figure 22-12 CARDIAC ECHINOCOCCUS Parasitic cysts may be large and obstructive, impeding the flow of blood through the heart. A: This example shows an echinococcal cyst (black asterisk) obstructing the inflow tract of the right ventricle beyond the tricuspid valve (TV). B: ... More about this image found in CARDIAC ECHINOCOCCUS Parasitic cysts may be large and obstructive, impedin...
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CARDIAC RHABDOMYOMA  A,B: Multiple, large, <span class="search-highlight">obstructive</span> (black asterisks) an...
Published: 15 November 2023
CARDIAC RHABDOMYOMA Figure 43-2 CARDIAC RHABDOMYOMA A,B: Multiple, large, obstructive (black asterisks) and nonobstructive (black arrowheads) tumors are seen from the right anterior oblique (A) and the left ventricular (LV) long-axis (B) views. C,D: Large lobulated masses (black asterisks) are s... More about this image found in CARDIAC RHABDOMYOMA A,B: Multiple, large, obstructive (black asterisks) an...
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PANNUS (<span class="search-highlight">OBSTRUCTIVE</span> FIBROUS INGROWTH)  Pannus may be present over either th...
Published: 15 November 2023
PANNUS (OBSTRUCTIVE FIBROUS INGROWTH) Figure 9-36 PANNUS (OBSTRUCTIVE FIBROUS INGROWTH) Pannus may be present over either the inflow or outflow surfaces of the valve, but restricts the motion of bioprosthetic (left) or mechanical (right) valves. More about this image found in PANNUS (OBSTRUCTIVE FIBROUS INGROWTH) Pannus may be present over either th...
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HYPOPLASTIC LEFT HEART SYNDROME: AORTIC VALVE <span class="search-highlight">OBSTRUCTION</span>  Left: Aortic atr...
Published: 15 November 2023
HYPOPLASTIC LEFT HEART SYNDROME: AORTIC VALVE OBSTRUCTION Figure 38-14 HYPOPLASTIC LEFT HEART SYNDROME: AORTIC VALVE OBSTRUCTION Left: Aortic atresia with an imperforate valve and thickening at the expected sites of three commissures (arrows), in a toddler. Both coronary arteries arise normally f... More about this image found in HYPOPLASTIC LEFT HEART SYNDROME: AORTIC VALVE OBSTRUCTION Left: Aortic atr...
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COMPLICATIONS OF AORTIC DISSECTIONS  Top: As dissections come to branch poi...
Published: 15 November 2023
COMPLICATIONS OF AORTIC DISSECTIONS Figure 28-18 COMPLICATIONS OF AORTIC DISSECTIONS Top: As dissections come to branch points, they may completely envelop the branch points; the pressure from the false lumen then obstructs flow into the branch vessels. Here the intercostal arteries (yellow arrow... More about this image found in COMPLICATIONS OF AORTIC DISSECTIONS Top: As dissections come to branch poi...
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PORTAL VEIN THROMBOSIS  Thrombus (yellow asterisk) is filling and obstructi...
Published: 15 November 2023
PORTAL VEIN THROMBOSIS Figure 33-14 PORTAL VEIN THROMBOSIS Thrombus (yellow asterisk) is filling and obstructing the portal vein entering this cirrhotic liver. More about this image found in PORTAL VEIN THROMBOSIS Thrombus (yellow asterisk) is filling and obstructi...
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PULMONARY ARTERY INTIMAL SARCOMA  The tumor manifests as a dense cellular p...
Published: 15 November 2023
PULMONARY ARTERY INTIMAL SARCOMA Figure 55-4 PULMONARY ARTERY INTIMAL SARCOMA The tumor manifests as a dense cellular proliferation with obstructive intraluminal growth. More about this image found in PULMONARY ARTERY INTIMAL SARCOMA The tumor manifests as a dense cellular p...
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CAROTID ATHEROSCLEROSIS: ENDARTERECTOMY  Left: The excised plaque appears a...
Published: 15 November 2023
CAROTID ATHEROSCLEROSIS: ENDARTERECTOMY Figure 29-11 CAROTID ATHEROSCLEROSIS: ENDARTERECTOMY Left: The excised plaque appears as a cast of the carotid artery (at the bifurcation in this instance). Right: Following decalcification, serial cross-sectioning reveals the degree to which the artery wa... More about this image found in CAROTID ATHEROSCLEROSIS: ENDARTERECTOMY Left: The excised plaque appears a...
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NATIVE VALVE ENDOCARDITIS: FUNGAL  Fungal vegetations are often large and o...
Published: 15 November 2023
NATIVE VALVE ENDOCARDITIS: FUNGAL Figure 12-7 NATIVE VALVE ENDOCARDITIS: FUNGAL Fungal vegetations are often large and obstructive, and may cause valvular stenosis like this vegetation (yellow asterisk) involving the posterior mitral valve leaflet. More about this image found in NATIVE VALVE ENDOCARDITIS: FUNGAL Fungal vegetations are often large and o...
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CARDIAC AMYLOIDOSIS: DEPOSITION PATTERNS  Deposition patterns of cardiac am...
Published: 15 November 2023
CARDIAC AMYLOIDOSIS: DEPOSITION PATTERNS Figure 21-14 CARDIAC AMYLOIDOSIS: DEPOSITION PATTERNS Deposition patterns of cardiac amyloidosis shown are pericellular-type (A), nodular (B), obstructive microinvasive (C), and endocardial (D). (All: sulfated Alcian blue staining.) More about this image found in CARDIAC AMYLOIDOSIS: DEPOSITION PATTERNS Deposition patterns of cardiac am...
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CARDIAC MYXOMA: COMPUTERIZED TOMOGRAPHY  A large lobular cardiac myxoma (ye...
Published: 15 November 2023
CARDIAC MYXOMA: COMPUTERIZED TOMOGRAPHY Figure 41-3 CARDIAC MYXOMA: COMPUTERIZED TOMOGRAPHY A large lobular cardiac myxoma (yellow asterisk) is within the left atrium (LA) near the mitral orifice, partially obstructing left ventricular (LV) flow. More about this image found in CARDIAC MYXOMA: COMPUTERIZED TOMOGRAPHY A large lobular cardiac myxoma (ye...
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AORTIC INTIMAL SARCOMA  The tumor forms a near-perfect cast of the aortic a...
Published: 15 November 2023
AORTIC INTIMAL SARCOMA Figure 55-10 AORTIC INTIMAL SARCOMA The tumor forms a near-perfect cast of the aortic arch in this endarterectomy specimen, with extension into the arch vessels. The sarcoma itself has a gelatinous quality and was causing almost total obstruction. More about this image found in AORTIC INTIMAL SARCOMA The tumor forms a near-perfect cast of the aortic a...
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CARDIAC VARIX  This varix (yellow asterisk), located in the right atrium (R...
Published: 15 November 2023
CARDIAC VARIX Figure 51-8 CARDIAC VARIX This varix (yellow asterisk), located in the right atrium (RA) (inferior limbus of the fossa ovalis), is large and can be seen prolapsing into the tricuspid orifice, obstructing flow into the right ventricle (RV) (LA = left atrium; LV = left ventricle). More about this image found in CARDIAC VARIX This varix (yellow asterisk), located in the right atrium (R...
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
... of lactiferous ducts (SMOLD), first described by Zuska in 1951 ( 1 ), is present when the squamous epithelium extends further into the nipple ducts ( fig. 13-1 ). When this occurs, there is the potential for accumulation of keratinaceous debris within the duct lumen. If this starts to build up, obstruction...
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CARDIOTOXICITY: COCAINE  Histopathologic findings in cocaine cardiotoxicity...
Published: 15 November 2023
CARDIOTOXICITY: COCAINE Figure 23-13 CARDIOTOXICITY: COCAINE Histopathologic findings in cocaine cardiotoxicity include intimal fibrosis of the coronary arteries, which can be obstructive (left) as well as thrombus recanalization and atherosclerotic plaques, often with complex remodeling, even in... More about this image found in CARDIOTOXICITY: COCAINE Histopathologic findings in cocaine cardiotoxicity...
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AMYLOID ANGIOPATHY  Amyloid typically does not affect the epicardial corona...
Published: 15 November 2023
AMYLOID ANGIOPATHY Figure 6-24 AMYLOID ANGIOPATHY Amyloid typically does not affect the epicardial coronary arteries, but when it does, it usually is nonobstructive (black arrowhead). Within the small vasculature (e.g., vasa vasorum), however, the amyloid deposition may be marked and obstructive ... More about this image found in AMYLOID ANGIOPATHY Amyloid typically does not affect the epicardial corona...
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COARCTATION OF THE AORTA: SURGICAL SEGMENTAL RESECTION, IN AN ADULT  Left: ...
Published: 15 November 2023
COARCTATION OF THE AORTA: SURGICAL SEGMENTAL RESECTION, IN AN ADULT Figure 36-40 COARCTATION OF THE AORTA: SURGICAL SEGMENTAL RESECTION, IN AN ADULT Left: Externally, the ductal artery (arrow) is involuted and minimally patent as it enters the aorta. Right: On cross section, the coarctation site... More about this image found in COARCTATION OF THE AORTA: SURGICAL SEGMENTAL RESECTION, IN AN ADULT Left: ...
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MICROVASCULAR CHANGES  A,B: Small intramural arterial thickening, primarily...
Published: 15 November 2023
MICROVASCULAR CHANGES Figure 15-18 MICROVASCULAR CHANGES A,B: Small intramural arterial thickening, primarily involving the intimal layer, with substantial luminal obstruction (A: hematoxylin and eosin [H&E]; B: Verhoeff-van Giesson). C,D: Longstanding changes result in medial remodeling and... More about this image found in MICROVASCULAR CHANGES A,B: Small intramural arterial thickening, primarily...
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CARDIAC MYXOMA  Left: Left ventricular (LV) long-axis view shows a left atr...
Published: 15 November 2023
CARDIAC MYXOMA Figure 41-4 CARDIAC MYXOMA Left: Left ventricular (LV) long-axis view shows a left atrial (LA) cardiac myxoma (yellow asterisk) obstructing the mitral orifice. Right: A large left atrial (LA) cardiac myxoma (yellow asterisk) arising from the septum adjacent to the fossa ovalis and... More about this image found in CARDIAC MYXOMA Left: Left ventricular (LV) long-axis view shows a left atr...