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Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-08
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
..., and post-therapy (involuting) subtypes. The microscopic features of macular or patch stage KS are the most subtle. A deceptively bland vasoformative proliferation dissects between the dermal collagen, often revealing jagged or slit-like outlines. The promontory sign, a diagnostic clue to early KS, refers...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-15
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
..., a dull gray fascia, and necrosis. There is an inability to easily separate different planes by blunt dissection at operation. At a microscopic level, there are varying degrees of mainly neutrophilic inflammation in the skin and underlying soft tissue, prominent necrosis of the different tissue layers...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-24
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... from mildly scaling erythematous patch(es) with minimal hair loss, to large inflammatory and pustular plaques with extensive alopecia Favus: yellow crusts and scutula Seborrheic dermatitis, atopic dermatitis, psoriasis, alopecia areata, secondary syphilis, bacterial pyoderma, dissecting cellulitis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-12
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... are flat and opaque, demonstrating a mosaic appearance when viewed under a dissecting microscope ( fig. 12-10 ). LEGIONELLA PNEUMOPHILA Figure 12-10 LEGIONELLA PNEUMOPHILA Culture shows colony morphology (A) and typical gram-negative bacilli (B). Urine antigen testing is a rapid...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch02
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
...Table 2-1 METHODS OF CARDIAC DISSECTION AND THEIR APPLICATIONS Dissection Method Diagnosis Application Teaching Research Short-axis a X X X Inflow-outflow X X Base-of-heart X Long-axis X Four-chamber X Other b X X...
Images
GROSS AORTIC <span class="search-highlight">DISSECTION</span> TYPES  Above: Stanford type A <span class="search-highlight">dissection</span>, involving...
Published: 15 November 2023
GROSS AORTIC DISSECTION TYPES Figure 28-5 GROSS AORTIC DISSECTION TYPES Above: Stanford type A dissection, involving only the ascending aorta with an intimal tear (yellow arrow) just above the sinotubular junction. Right: Stanford type B dissection involving the descending aorta progressing from... More about this image found in GROSS AORTIC DISSECTION TYPES Above: Stanford type A dissection, involving...
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Images
AORTIC <span class="search-highlight">DISSECTION</span>  The <span class="search-highlight">dissection</span> track is present within the outer media, ...
Published: 15 November 2023
AORTIC DISSECTION Figure 28-9 AORTIC DISSECTION The dissection track is present within the outer media, creating a false lumen. (Left: Hematoxylin and eosin (H&E) stain; right: Verhoeff-van Gieson stain.) More about this image found in AORTIC DISSECTION The dissection track is present within the outer media, ...
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CHRONIC AORTIC <span class="search-highlight">DISSECTION</span>  Left: A healed <span class="search-highlight">dissection</span> track (black asterisk)...
Published: 15 November 2023
CHRONIC AORTIC DISSECTION Figure 28-13 CHRONIC AORTIC DISSECTION Left: A healed dissection track (black asterisk) is seen within the outer third of the disrupted media with a Verhoeff-van Gieson stain. Right: Close inspection of the outer layer of the dissection track reveals a jagged elastic la... More about this image found in CHRONIC AORTIC DISSECTION Left: A healed dissection track (black asterisk)...
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SPONTANEOUS CORONARY ARTERY <span class="search-highlight">DISSECTION</span>: ACUTE  A <span class="search-highlight">dissection</span> 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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CLASSIFICATION OF AORTIC <span class="search-highlight">DISSECTIONS</span>  Stanford type A <span class="search-highlight">dissection</span> involves t...
Published: 15 November 2023
CLASSIFICATION OF AORTIC DISSECTIONS Figure 28-4 CLASSIFICATION OF AORTIC DISSECTIONS Stanford type A dissection involves the ascending aorta, while type B dissection involves only the descending aorta. In the DeBakey scheme, type I dissections involve the ascending and descending aorta, type II ... More about this image found in CLASSIFICATION OF AORTIC DISSECTIONS Stanford type A dissection involves t...
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AORTIC <span class="search-highlight">DISSECTIONS</span>  Above: The <span class="search-highlight">dissection</span> track forms a false lumen distinc...
Published: 15 November 2023
AORTIC DISSECTIONS Figure 28-11 AORTIC DISSECTIONS Above: The dissection track forms a false lumen distinct from the true lumen (yellow arrow), creating a double-barrel morphology. Right: Multiple dissections create two false lumens (triple barrel morphology). More about this image found in AORTIC DISSECTIONS Above: The dissection track forms a false lumen distinc...
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AORTIC <span class="search-highlight">DISSECTIONS</span>  Acute (Stanford type A) <span class="search-highlight">dissection</span> over a chronic (Stan...
Published: 15 November 2023
AORTIC DISSECTIONS Figure 28-12 AORTIC DISSECTIONS Acute (Stanford type A) dissection over a chronic (Stanford type B) dissection, with rupture site (yellow arrow). The chronic dissection was previously treated with a Dacron graft. More about this image found in AORTIC DISSECTIONS Acute (Stanford type A) dissection over a chronic (Stan...
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COMPLICATIONS OF AORTIC <span class="search-highlight">DISSECTIONS</span>  Top: As <span class="search-highlight">dissections</span> 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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SPONTANEOUS CORONARY ARTERY <span class="search-highlight">DISSECTION</span>: CHRONIC  Chronic <span class="search-highlight">dissections</span> manife...
Published: 15 November 2023
SPONTANEOUS CORONARY ARTERY DISSECTION: CHRONIC Figure 6-13 SPONTANEOUS CORONARY ARTERY DISSECTION: CHRONIC Chronic dissections manifest as an area of organized fibrotic tissue with numerous vascular spaces (black asterisk), usually in the outer third of the media (where dissections are most comm... More about this image found in SPONTANEOUS CORONARY ARTERY DISSECTION: CHRONIC Chronic dissections manife...
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ASCENDING AORTIC <span class="search-highlight">DISSECTION</span> WITH RUPTURE  This base-of-heart view shows an ...
Published: 15 November 2023
ASCENDING AORTIC DISSECTION WITH RUPTURE Figure 28-8 ASCENDING AORTIC DISSECTION WITH RUPTURE This base-of-heart view shows an intimal tear (yellow arrow) at the sinotubular junction with a large dissection false lumen (yellow asterisk) and a subtle adventitial rupture (yellow arrowhead) that led... More about this image found in ASCENDING AORTIC DISSECTION WITH RUPTURE This base-of-heart view shows an ...
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MARFAN SYNDROME: MEDIAL <span class="search-highlight">DISSECTION</span>  An intimal tear (black arrow) extends a...
Published: 15 November 2023
MARFAN SYNDROME: MEDIAL DISSECTION Figure 31-8 MARFAN SYNDROME: MEDIAL DISSECTION An intimal tear (black arrow) extends about two thirds of the way through the damaged aortic media (elastic tissue stain). More about this image found in MARFAN SYNDROME: MEDIAL DISSECTION An intimal tear (black arrow) extends a...
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INITIAL <span class="search-highlight">DISSECTION</span> OF THORACIC ORGANS  A: In an adult with transposition of...
Published: 15 November 2023
INITIAL DISSECTION OF THORACIC ORGANS Figure 34-25 INITIAL DISSECTION OF THORACIC ORGANS A: In an adult with transposition of the great arteries and previous cardiac surgery. There are prominent pleuropericardial adhesions. B,C: Separation of the heart and great vessels from the other thoracic o... More about this image found in INITIAL DISSECTION OF THORACIC ORGANS A: In an adult with transposition of...
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SHORT-AXIS <span class="search-highlight">DISSECTION</span> TECHNIQUE  A: Uncut heart, showing the atrioventricul...
Published: 15 November 2023
SHORT-AXIS DISSECTION TECHNIQUE Figure 2-5 SHORT-AXIS DISSECTION TECHNIQUE A: Uncut heart, showing the atrioventricular groove (arrows) and short-axis planes (lines) to be cut parallel to it. Other common tomographic planes (white lines, shown in B-D) are perpendicular to the short-axis plane. B... More about this image found in SHORT-AXIS DISSECTION TECHNIQUE A: Uncut heart, showing the atrioventricul...
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INFLOW-OUTFLOW <span class="search-highlight">DISSECTION</span> TECHNIQUE (RIGHT-SIDED STRUCTURES)  A: Location o...
Published: 15 November 2023
INFLOW-OUTFLOW DISSECTION TECHNIQUE (RIGHT-SIDED STRUCTURES) Figure 2-6 INFLOW-OUTFLOW DISSECTION TECHNIQUE (RIGHT-SIDED STRUCTURES) A: Location of the incision (dashed line) between the inferior vena cava and right atrial appendage. The expected site of the sinus node (ellipse) is to be avoided.... More about this image found in INFLOW-OUTFLOW DISSECTION TECHNIQUE (RIGHT-SIDED STRUCTURES) A: Location o...