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ANGIOMATOID MELANOCYTIC NEVUS  A: Superficial plaque-like growth of intrade...
Published: 01 February 2024
ANGIOMATOID MELANOCYTIC NEVUS Figure 3-20 ANGIOMATOID MELANOCYTIC NEVUS A: Superficial plaque-like growth of intradermal melanocytes is associated with an increased number of ectatic blood vessels. B: Juxtaposition of bland intradermal melanocytes and ectatic blood vessels with an angioma-like a... More about this image found in ANGIOMATOID MELANOCYTIC NEVUS A: Superficial plaque-like growth of intrade...
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MELANOCYTIC NEVUS WITH INTRALYMPHATIC NEST  A nest of melanocytes is seen i...
Published: 01 February 2024
MELANOCYTIC NEVUS WITH INTRALYMPHATIC NEST Figure 3-22 MELANOCYTIC NEVUS WITH INTRALYMPHATIC NEST A nest of melanocytes is seen in the lumen of a lymphatic vessel (arrow). More about this image found in MELANOCYTIC NEVUS WITH INTRALYMPHATIC NEST A nest of melanocytes is seen i...
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NODULAR MELANOMA  A: Papule on the back of the upper arm.  B: Exophytic nod...
Published: 01 February 2024
NODULAR MELANOMA Figure 15-1 NODULAR MELANOMA A: Papule on the back of the upper arm. B: Exophytic nodule; there is no adjacent macular component. C: Dermoscopy shows abnormal vessels. More about this image found in NODULAR MELANOMA A: Papule on the back of the upper arm. B: Exophytic nod...
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CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION  Nodule of melanocytes has a p...
Published: 01 February 2024
CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Figure 8-16 CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Nodule of melanocytes has a peripheral rim of fibrous stroma and central loose edematous stroma and hemorrhage. Some of the vessels have a hyalinized rim. More about this image found in CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Nodule of melanocytes has a p...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-23
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... in the academic arena. Blood Vessel and Lymphatic Invasion. Melanoma cells may be seen within the lumens of blood vessels (vascular invasion), a wall of a vessel (vessel wall invasion), or a lymphatic channel (lymphatic invasion). The presence of either blood vessel or lymphatic invasion is an adverse prognostic...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-03
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... of ectatic blood vessels ( fig. 3-20 ). Clinically, these lesions may simulate a basal cell carcinoma or angioma. Nevi may also collide with a true hemangioma. ANGIOMATOID MELANOCYTIC NEVUS Figure 3-20 ANGIOMATOID MELANOCYTIC NEVUS A: Superficial plaque-like growth of intradermal melanocytes is associated...
Images
PERILOBULAR HEMANGIOMA  A: Low-power view illustrates a proliferation of sm...
Published: 01 January 2024
PERILOBULAR HEMANGIOMA Figure 11-19 PERILOBULAR HEMANGIOMA A: Low-power view illustrates a proliferation of small vessels adjacent to a terminal duct lobular unit. B: High-power view demonstrates the thin vessel walls and the presence of red blood cells within the vascular lumen. More about this image found in PERILOBULAR HEMANGIOMA A: Low-power view illustrates a proliferation of sm...
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ATYPICAL VASCULAR LESION  A: At low power, a collection of thin-walled vess...
Published: 01 January 2024
ATYPICAL VASCULAR LESION Figure 11-23 ATYPICAL VASCULAR LESION A: At low power, a collection of thin-walled vessels is appreciated in the superficial dermis. B: At intermediate power, some branching of the vessels is noted. C: High power shows the hyperchromatic nuclei of the endothelial cells,... More about this image found in ATYPICAL VASCULAR LESION A: At low power, a collection of thin-walled vess...
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SOLITARY FIBROUS TUMOR  A: Low-power view demonstrates a variably cellular ...
Published: 01 January 2024
SOLITARY FIBROUS TUMOR Figure 11-17 SOLITARY FIBROUS TUMOR A: Low-power view demonstrates a variably cellular spindle cell proliferation with a collagenous stroma. B: At higher power, the spindle cells are relatively bland without a distinct arrangement (“patternless pattern”). Several irregular... More about this image found in SOLITARY FIBROUS TUMOR A: Low-power view demonstrates a variably cellular ...
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TYPES OF ANEURYSMS  True aneurysms involve all three layers of the <span class="search-highlight">vessel</span> w...
Published: 15 November 2023
TYPES OF ANEURYSMS Figure 28-1 TYPES OF ANEURYSMS True aneurysms involve all three layers of the vessel wall (intima, media, and adventitia). False aneurysms involve the intima and media and are “contained” from rupture by the adventitia layer. The wall typically consists of adventitia and neoint... More about this image found in TYPES OF ANEURYSMS True aneurysms involve all three layers of the vessel w...
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CRYOGLOBULINEMIA: RENAL BIOPSY  Left: The small <span class="search-highlight">vessel</span> vasculitis shows end...
Published: 15 November 2023
CRYOGLOBULINEMIA: RENAL BIOPSY Figure 30-37 CRYOGLOBULINEMIA: RENAL BIOPSY Left: The small vessel vasculitis shows endothelial swelling, transmural inflammation and necrosis, and admixed proteinaceous material. Right: Other vessels in the biopsy show mural inflammation with neutrophils, without ... More about this image found in CRYOGLOBULINEMIA: RENAL BIOPSY Left: The small vessel vasculitis shows end...
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SUPERFICIAL THROMBOPHLEBITIS  The <span class="search-highlight">vessel</span> is obliterated by inflammation, wi...
Published: 15 November 2023
SUPERFICIAL THROMBOPHLEBITIS Figure 33-3 SUPERFICIAL THROMBOPHLEBITIS The vessel is obliterated by inflammation, with luminal necrosis and thrombus mimicking fibrinoid necrosis. The structure was identified as a vein by serial sections and elastic stains, and an uninvolved small muscular artery i... More about this image found in SUPERFICIAL THROMBOPHLEBITIS The vessel is obliterated by inflammation, wi...
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HEMANGIOMA  Low-power (A) and high-power (B) views of a large hemangioma ex...
Published: 01 January 2024
HEMANGIOMA Figure 11-20 HEMANGIOMA Low-power (A) and high-power (B) views of a large hemangioma excised from the breast. The vessel walls are thicker than in smaller perilobular hemangiomas. The endothelial cells are small and bland. More about this image found in HEMANGIOMA Low-power (A) and high-power (B) views of a large hemangioma ex...
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LYMPHOVASCULAR SPACE INVASION MIMICKING DUCTAL CARCINOMA IN SITU  In cases ...
Published: 01 January 2024
LYMPHOVASCULAR SPACE INVASION MIMICKING DUCTAL CARCINOMA IN SITU Figure 3-37 LYMPHOVASCULAR SPACE INVASION MIMICKING DUCTAL CARCINOMA IN SITU In cases where there is extensive lymphovascular space invasion, the widespread distribution of large, rounded tumor cell nests can give the false impressi... More about this image found in LYMPHOVASCULAR SPACE INVASION MIMICKING DUCTAL CARCINOMA IN SITU In cases ...
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MUCINOUS CARCINOMA, HYPOCELLULAR VARIANT  A: Low-power image reveals large ...
Published: 01 January 2024
MUCINOUS CARCINOMA, HYPOCELLULAR VARIANT Figure 8-47 MUCINOUS CARCINOMA, HYPOCELLULAR VARIANT A: Low-power image reveals large pools of stromal mucin with scant epithelial cells. B: At intermediate power, small clusters of epithelial cells can be seen “floating” in the mucin pools. C: At higher... More about this image found in MUCINOUS CARCINOMA, HYPOCELLULAR VARIANT A: Low-power image reveals large ...
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PAPILLARY ENDOTHELIAL HYPERPLASIA  A: At intermediate power, a vascular pro...
Published: 01 January 2024
PAPILLARY ENDOTHELIAL HYPERPLASIA Figure 11-22 PAPILLARY ENDOTHELIAL HYPERPLASIA A: At intermediate power, a vascular proliferation appears to be composed of anastomosing vessels. B,C: At intermediate (B) and high (C) power, the endothelial cells lining the vascular spaces appear quite plump; so... More about this image found in PAPILLARY ENDOTHELIAL HYPERPLASIA A: At intermediate power, a vascular pro...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-08
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... and hemorrhage. Some of the vessels have a hyalinized rim. CELLULAR BLUE NEVUS WITH STROMAL EDEMA Figure 8-17 CELLULAR BLUE NEVUS WITH STROMAL EDEMA Small nodular aggregates and nests of cytologically bland melanocytes are seen in a background of edematous stroma with scattered melanophages. CELLULAR BLUE...
Book
Book Cover Image
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
Images
INVASIVE CRIBRIFORM CARCINOMA  A: Low-power image displays numerous cribrif...
Published: 01 January 2024
INVASIVE CRIBRIFORM CARCINOMA Figure 8-54 INVASIVE CRIBRIFORM CARCINOMA A: Low-power image displays numerous cribriform nests of tumor cells, most with rounded contours, but with a haphazard growth pattern suggesting invasion. B,C: At intermediate (B) and high (C) power, the distinction from cri... More about this image found in INVASIVE CRIBRIFORM CARCINOMA A: Low-power image displays numerous cribrif...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-15
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
..., there may be a macular component adjacent to the nodule. However, for most tumors, this is usually not the case. NODULAR MELANOMA Figure 15-1 NODULAR MELANOMA A: Papule on the back of the upper arm. B: Exophytic nodule; there is no adjacent macular component. C: Dermoscopy shows abnormal vessels...