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hemangioma

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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-ch44
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
...CARDIAC HEMANGIOMA: TYPES Figure 44-2 CARDIAC HEMANGIOMA: TYPES A,B: Cavernous-type hemangioma with views of the external (A) and cut (B) surfaces. C,D: Capillary-type hemangioma with views of the external (C) and cut (D) surfaces. E,F: Arteriovenous malformation-type hemangioma with views...
Images
SPITZ NEVUS  A: The nevus presents as a small erythematous plaque simulatin...
Published: 01 February 2024
SPITZ NEVUS Figure 7-2 SPITZ NEVUS A: The nevus presents as a small erythematous plaque simulating a hemangioma. B: A light brown small plaque simulates a dermatofibroma. More about this image found in SPITZ NEVUS A: The nevus presents as a small erythematous plaque simulatin...
Images
<span class="search-highlight">HEMANGIOMA</span>  Low-power (A) and high-power (B) views of a large <span class="search-highlight">hemangioma</span> 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...
Images
PERILOBULAR <span class="search-highlight">HEMANGIOMA</span>  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...
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
..., or hemangioma. Pigmented nodular melanomas may be confused with pigmented basal cell carcinoma, seborrheic keratosis, melanocytic nevi, or metastatic melanoma. Attention to the dermoscopic findings may help in the recognition of nodular melanoma, such as the presence of abnormal vascular structures ( fig. 15-1C...
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...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-07
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... of a young boy. B: Pink nodule on the leg of a young girl. SPITZ NEVUS Figure 7-2 SPITZ NEVUS A: The nevus presents as a small erythematous plaque simulating a hemangioma. B: A light brown small plaque simulates a dermatofibroma. PIGMENTED SPITZ NEVUS Figure 7-3 PIGMENTED SPITZ NEVUS The nevus...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: TYPES  A,B: Cavernous-type <span class="search-highlight">hemangioma</span> with views of the...
Published: 15 November 2023
CARDIAC HEMANGIOMA: TYPES Figure 44-2 CARDIAC HEMANGIOMA: TYPES A,B: Cavernous-type hemangioma with views of the external (A) and cut (B) surfaces. C,D: Capillary-type hemangioma with views of the external (C) and cut (D) surfaces. E,F: Arteriovenous malformation-type hemangioma with views of t... More about this image found in CARDIAC HEMANGIOMA: TYPES A,B: Cavernous-type hemangioma with views of the...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-11
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
.... VASCULAR LESIONS Benign Vascular Lesions The benign vascular lesions that occur in other parts of the body are also found in the breast ( 45 , 46 ). Histologic features are similar to those encountered elsewhere. Perilobular hemangiomas are fairly common, incidental lesions that may be seen...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: PAPILLARY ENDOTHELIAL HYPERPLASIA (PEH)  These organizi...
Published: 15 November 2023
CARDIAC HEMANGIOMA: PAPILLARY ENDOTHELIAL HYPERPLASIA (PEH) Figure 44-9 CARDIAC HEMANGIOMA: PAPILLARY ENDOTHELIAL HYPERPLASIA (PEH) These organizing thrombi are not part of the hemangioma itself, but closely mimic the vascular nature of the tumor. PEH also occurs within organizing thrombi and sho... More about this image found in CARDIAC HEMANGIOMA: PAPILLARY ENDOTHELIAL HYPERPLASIA (PEH) These organizi...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: GROWTH PATTERNS  Left: Epicardial growth of a hemangiom...
Published: 15 November 2023
CARDIAC HEMANGIOMA: GROWTH PATTERNS Figure 44-3 CARDIAC HEMANGIOMA: GROWTH PATTERNS Left: Epicardial growth of a hemangioma (yellow arrow) on the left atrial appendage (LAA). Right: Photomicrograph of endoluminal growth of a capillary-type cardiac hemangioma. The polypoid mass extends from the e... More about this image found in CARDIAC HEMANGIOMA: GROWTH PATTERNS Left: Epicardial growth of a hemangiom...
Images
CARDIAC <span class="search-highlight">HEMANGIOMAS</span>: IMMUNOPEROXIDASE STAINING  Left: CD31 highlights the e...
Published: 15 November 2023
CARDIAC HEMANGIOMAS: IMMUNOPEROXIDASE STAINING Figure 44-10 CARDIAC HEMANGIOMAS: IMMUNOPEROXIDASE STAINING Left: CD31 highlights the endothelial cells of the vasculature within these tumors. Right: Smooth muscle actin highlights the pericytes (arrowhead) but not the vascular endothelium, a featu... More about this image found in CARDIAC HEMANGIOMAS: IMMUNOPEROXIDASE STAINING Left: CD31 highlights the e...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: MAGNETIC RESONANCE IMAGING  Left: Steady state-free pre...
Published: 15 November 2023
CARDIAC HEMANGIOMA: MAGNETIC RESONANCE IMAGING Figure 44-1 CARDIAC HEMANGIOMA: MAGNETIC RESONANCE IMAGING Left: Steady state-free precession (SSFP) long-axis image shows a well-circumscribed hemangioma (yellow arrowhead) with a broad attachment to the apical anterior left ventricle. Right: Short... More about this image found in CARDIAC HEMANGIOMA: MAGNETIC RESONANCE IMAGING Left: Steady state-free pre...
Images
SCLEROSED CARDIAC <span class="search-highlight">HEMANGIOMA</span>  The background stroma is hyalinzed, with scat...
Published: 15 November 2023
SCLEROSED CARDIAC HEMANGIOMA Figure 44-7 SCLEROSED CARDIAC HEMANGIOMA The background stroma is hyalinzed, with scattered dilated vascular channels throughout. More about this image found in SCLEROSED CARDIAC HEMANGIOMA The background stroma is hyalinzed, with scat...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: CAVERNOUS TYPE  Dilated vascular channels are present, ...
Published: 15 November 2023
CARDIAC HEMANGIOMA: CAVERNOUS TYPE Figure 44-4 CARDIAC HEMANGIOMA: CAVERNOUS TYPE Dilated vascular channels are present, without discernable vascular walls, interspersed by collagen. More about this image found in CARDIAC HEMANGIOMA: CAVERNOUS TYPE Dilated vascular channels are present, ...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: CAPILLARY TYPE  Left: Numerous small-caliber blood vess...
Published: 15 November 2023
CARDIAC HEMANGIOMA: CAPILLARY TYPE Figure 44-5 CARDIAC HEMANGIOMA: CAPILLARY TYPE Left: Numerous small-caliber blood vessels are present within a myxoid matrix. Right: Areas show stromal collagen deposition as well as hemosiderosis. More about this image found in CARDIAC HEMANGIOMA: CAPILLARY TYPE Left: Numerous small-caliber blood vess...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: ARTERIOVENOUS MALFORMATION TYPE  Left: Thick-walled blo...
Published: 15 November 2023
CARDIAC HEMANGIOMA: ARTERIOVENOUS MALFORMATION TYPE Figure 44-8 CARDIAC HEMANGIOMA: ARTERIOVENOUS MALFORMATION TYPE Left: Thick-walled blood vessels form the bulk of this tumor, with areas of vascular thrombosis (asterisk). Right: “Arterialized” veins can be seen with early formation of the inte... More about this image found in CARDIAC HEMANGIOMA: ARTERIOVENOUS MALFORMATION TYPE Left: Thick-walled blo...
Images
CARDIAC <span class="search-highlight">HEMANGIOMA</span>: MIXED CAPILLARY-CAVERNOUS TYPE  Left: Dilated vascular ...
Published: 15 November 2023
CARDIAC HEMANGIOMA: MIXED CAPILLARY-CAVERNOUS TYPE Figure 44-6 CARDIAC HEMANGIOMA: MIXED CAPILLARY-CAVERNOUS TYPE Left: Dilated vascular channels present at the periphery represent cavernous morphology, while the central portion contains numerous small-caliber vascular spaces within a myxoid matr... More about this image found in CARDIAC HEMANGIOMA: MIXED CAPILLARY-CAVERNOUS TYPE Left: Dilated vascular ...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-14
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... is apparent. An asteroid body is present in the giant cell at the center of the field. Vascular Anomalies Hemangiomas and other vascular lesions such as vascular transformation of the lymph node sinuses can occur in the axillary lymph nodes, and may be in the imaging differential diagnosis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch45
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
.... The differential diagnosis of HMCM includes cardiac hemangioma, mesenchymal cardiac hamartoma, and hypertrophic cardiomyopathy. HMCM typically lacks the prominent fat and nerve usually seen in mesenchymal cardiac hamartomas. The vessels in HMCM may be thick and somewhat irregular, but do not form...