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MIXED <span class="search-highlight">ACUTE</span> AND OLD MYOCARDIAL INFARCTIONS  New <span class="search-highlight">acute</span> MIs (yellow arrows) i...
Published: 15 November 2023
MIXED ACUTE AND OLD MYOCARDIAL INFARCTIONS Figure 7-24 MIXED ACUTE AND OLD MYOCARDIAL INFARCTIONS New acute MIs (yellow arrows) involving the left anterior descending coronary artery territory are superimposed on multiple old prior infarcts (white arrows) involving both the left circumflex and ri... More about this image found in MIXED ACUTE AND OLD MYOCARDIAL INFARCTIONS New acute MIs (yellow arrows) i...
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<span class="search-highlight">ACUTE</span> NECROTIZING EOSINOPHILIC MYOCARDITIS  <span class="search-highlight">Acute</span> necrotizing eosinophilic ...
Published: 15 November 2023
ACUTE NECROTIZING EOSINOPHILIC MYOCARDITIS Figure 22-10 ACUTE NECROTIZING EOSINOPHILIC MYOCARDITIS Acute necrotizing eosinophilic myocarditis usually shows numerous eosinophils, including degranulating forms, with associated myocyte injury. More about this image found in ACUTE NECROTIZING EOSINOPHILIC MYOCARDITIS Acute necrotizing eosinophilic ...
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<span class="search-highlight">ACUTE</span>/SUBACUTE PULMONARY THROMBOEMBOLISM  A: <span class="search-highlight">Acute</span>, occlusive, fibrin throm...
Published: 15 November 2023
ACUTE/SUBACUTE PULMONARY THROMBOEMBOLISM Figure 32-20 ACUTE/SUBACUTE PULMONARY THROMBOEMBOLISM A: Acute, occlusive, fibrin thromboembolus. B: Early organization of the fibrin matrix with a granulation tissue quality. C: Recanalization is seen with adjacent hemosiderin within the still organizin... More about this image found in ACUTE/SUBACUTE PULMONARY THROMBOEMBOLISM A: Acute, occlusive, fibrin throm...
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MYOCYTE CALCIFICATION  <span class="search-highlight">Acute</span> infarction with calcification of mitochondria ...
Published: 15 November 2023
MYOCYTE CALCIFICATION Figure 4-19 MYOCYTE CALCIFICATION Acute infarction with calcification of mitochondria and other sarcoplasmic organelles shows a speckled appearance in a young adult (left) and focal confluent calcification in an infant (right). More about this image found in MYOCYTE CALCIFICATION Acute infarction with calcification of mitochondria ...
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FATE OF <span class="search-highlight">ACUTE</span> THROMBOSIS  Thrombosis of an atherosclerotic plaque may resol...
Published: 15 November 2023
FATE OF ACUTE THROMBOSIS Figure 5-11 FATE OF ACUTE THROMBOSIS Thrombosis of an atherosclerotic plaque may resolve by shallow organization (healing) and incorporation into the existing plaque, leading to plaque progression (A), degeneration with possible microembolization to the distal vasculature... More about this image found in FATE OF ACUTE THROMBOSIS Thrombosis of an atherosclerotic plaque may resol...
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<span class="search-highlight">ACUTE</span> PLAQUE RUPTURE WITH THROMBUS  The arterial segments are laid out prox...
Published: 15 November 2023
ACUTE PLAQUE RUPTURE WITH THROMBUS Figure 5-12 ACUTE PLAQUE RUPTURE WITH THROMBUS The arterial segments are laid out proximal (left) to distal (right). The two proximal sections show fibroatheroma, bright yellow cores, with soft pale occlusive thrombi. The two distal sections show a fibrous cap f... More about this image found in ACUTE PLAQUE RUPTURE WITH THROMBUS The arterial segments are laid out prox...
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<span class="search-highlight">ACUTE</span> PLAQUE RUPTURE  Left: The thrombus (black arrow) occurred on a lesion...
Published: 15 November 2023
ACUTE PLAQUE RUPTURE Figure 5-13 ACUTE PLAQUE RUPTURE Left: The thrombus (black arrow) occurred on a lesion that was already severely narrowed by a mature fibroatheroma. The prominent necrotic core also exhibits intraplaque hemorrhage (black asterisk). Right: This plaque rupture was associated w... More about this image found in ACUTE PLAQUE RUPTURE Left: The thrombus (black arrow) occurred on a lesion...
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<span class="search-highlight">ACUTE</span> PLAQUE EROSION  Left: There is an underlying eccentric fibroatheroma....
Published: 15 November 2023
ACUTE PLAQUE EROSION Figure 5-15 ACUTE PLAQUE EROSION Left: There is an underlying eccentric fibroatheroma. The thrombus (black asterisk) is platelet rich and restricted to the area of underlying plaque. Right: The thrombus (black asterisk) is tightly adherent to the cap, without exposure of the... More about this image found in ACUTE PLAQUE EROSION Left: There is an underlying eccentric fibroatheroma....
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KAWASAKI DISEASE: <span class="search-highlight">ACUTE</span> PHASE  The coronary artery is involved by an exuber...
Published: 15 November 2023
KAWASAKI DISEASE: ACUTE PHASE Figure 6-3 KAWASAKI DISEASE: ACUTE PHASE The coronary artery is involved by an exuberant lymphocytic infiltrate that involves all layers of the vessel wall, with focal areas of complete medial loss (black arrow) (left), further highlighted by an elastic stain (right)... More about this image found in KAWASAKI DISEASE: ACUTE PHASE The coronary artery is involved by an exuber...
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SPONTANEOUS CORONARY ARTERY DISSECTION: <span class="search-highlight">ACUTE</span>  A dissection involves the ou...
Published: 15 November 2023
SPONTANEOUS CORONARY ARTERY DISSECTION: ACUTE Figure 6-11 SPONTANEOUS CORONARY ARTERY DISSECTION: ACUTE A dissection involves the outer third of the vascular media, with the remaining internal two thirds of the vessel collapsing within the false lumen (white asterisks). (Left: hematoxylin and eos... More about this image found in SPONTANEOUS CORONARY ARTERY DISSECTION: ACUTE A dissection involves the ou...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTIONS: EXTENT  Left: Transmural myocardial infarctio...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTIONS: EXTENT Figure 7-1 ACUTE MYOCARDIAL INFARCTIONS: EXTENT Left: Transmural myocardial infarction (MI) (yellow arrows) involving the left main coronary artery territory causes a massive infarction of nearly the entire left ventricle, with sparing of only the inferior thi... More about this image found in ACUTE MYOCARDIAL INFARCTIONS: EXTENT Left: Transmural myocardial infarctio...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: LEFT ANTERIOR DESCENDING CORONARY ARTERY TERRI...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: LEFT ANTERIOR DESCENDING CORONARY ARTERY TERRITORY Figure 7-2 ACUTE MYOCARDIAL INFARCTION: LEFT ANTERIOR DESCENDING CORONARY ARTERY TERRITORY Red-brown mottling of the myocardium (yellow arrows) extends from the anterior and anteroseptal left ventricle at the base (le... More about this image found in ACUTE MYOCARDIAL INFARCTION: LEFT ANTERIOR DESCENDING CORONARY ARTERY TERRI...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: RIGHT CORONARY ARTERY TERRITORY  Red-brown mot...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: RIGHT CORONARY ARTERY TERRITORY Figure 7-3 ACUTE MYOCARDIAL INFARCTION: RIGHT CORONARY ARTERY TERRITORY Red-brown mottling (yellow arrows) of the myocardium of the entire right ventricle and the inferior third of the ventricular septum. More about this image found in ACUTE MYOCARDIAL INFARCTION: RIGHT CORONARY ARTERY TERRITORY Red-brown mot...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: SUBENDOCARDIAL SPARING  Red-brown mottling (ye...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: SUBENDOCARDIAL SPARING Figure 7-4 ACUTE MYOCARDIAL INFARCTION: SUBENDOCARDIAL SPARING Red-brown mottling (yellow arrows) of the inferior wall, with sparing of the region immediately beneath the endocardium (yellow arrowhead), where diffusion of oxygen can occur direct... More about this image found in ACUTE MYOCARDIAL INFARCTION: SUBENDOCARDIAL SPARING Red-brown mottling (ye...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: WAVEFRONT PROGRESSION  The necrotic myocardium...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: WAVEFRONT PROGRESSION Figure 7-5 ACUTE MYOCARDIAL INFARCTION: WAVEFRONT PROGRESSION The necrotic myocardium is yellow-tan in the region of the subendocardium, with a hyperemic border. The viable myocardium (yellow asterisk) is seen subepicardially. More about this image found in ACUTE MYOCARDIAL INFARCTION: WAVEFRONT PROGRESSION The necrotic myocardium...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: WAVY MYOFIBERS  The myocytes are wavy, with ea...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: WAVY MYOFIBERS Figure 7-8 ACUTE MYOCARDIAL INFARCTION: WAVY MYOFIBERS The myocytes are wavy, with early contraction band change in the upper middle. The space between the myocytes, seen from the underlying interstitial edema, imparts the wavy quality. These changes be... More about this image found in ACUTE MYOCARDIAL INFARCTION: WAVY MYOFIBERS The myocytes are wavy, with ea...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: CONTRACTION BAND NECROSIS  Contraction band ne...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: CONTRACTION BAND NECROSIS Figure 7-9 ACUTE MYOCARDIAL INFARCTION: CONTRACTION BAND NECROSIS Contraction band necrosis consists of coarse transverse lines across individual myocytes. This is among the earliest changes of irreversible myocyte injury. This change becomes... More about this image found in ACUTE MYOCARDIAL INFARCTION: CONTRACTION BAND NECROSIS Contraction band ne...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: COAGULATIVE NECROSIS  Complete nuclear loss an...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: COAGULATIVE NECROSIS Figure 7-10 ACUTE MYOCARDIAL INFARCTION: COAGULATIVE NECROSIS Complete nuclear loss and hypereosinophilic myocytes are the characteristic features of coagulative necrosis (asterisk). This change is particularly prominent in nonreperfused infarctio... More about this image found in ACUTE MYOCARDIAL INFARCTION: COAGULATIVE NECROSIS Complete nuclear loss an...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: EARLY NEUTROPHILIC INFILTRATE  Scattered neutr...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: EARLY NEUTROPHILIC INFILTRATE Figure 7-11 ACUTE MYOCARDIAL INFARCTION: EARLY NEUTROPHILIC INFILTRATE Scattered neutrophils are within the interstitium and small vasculature of the infarcted area. Early neutrophilic infiltrate is seen around day 1. More about this image found in ACUTE MYOCARDIAL INFARCTION: EARLY NEUTROPHILIC INFILTRATE Scattered neutr...
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<span class="search-highlight">ACUTE</span> MYOCARDIAL INFARCTION: PEAK NEUTROPHILIC INFILTRATE  The neutrophilic...
Published: 15 November 2023
ACUTE MYOCARDIAL INFARCTION: PEAK NEUTROPHILIC INFILTRATE Figure 7-12 ACUTE MYOCARDIAL INFARCTION: PEAK NEUTROPHILIC INFILTRATE The neutrophilic infiltrate becomes pronounced on days 2 to 3. More about this image found in ACUTE MYOCARDIAL INFARCTION: PEAK NEUTROPHILIC INFILTRATE The neutrophilic...