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fibroma

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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-ch42
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... (sheet-like) calcification of the falx Minor Diagnostic Criteria  Cardiac or ovarian fibroma  Lymphomesenteric or pleural cysts  Childhood medulloblastoma  Cleft lip/palate  Macrocephaly  Bifid ribs or extra ribs  Polydactyly  Ocular anomalies (e.g., cataract, pigmentary...
Images
SCLEROSING BLUE NEVUS  A: Small amelanotic fibrosing spindle cell lesion in...
Published: 01 February 2024
SCLEROSING BLUE NEVUS Figure 8-8 SCLEROSING BLUE NEVUS A: Small amelanotic fibrosing spindle cell lesion in the superficial dermis. B: The spindle cells are strongly and diffusely immunoreactive for Melan-A. C: The tumor cells display cytologically bland fibroblast-like features, simulating a f... More about this image found in SCLEROSING BLUE NEVUS A: Small amelanotic fibrosing spindle cell lesion in...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-16
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
..., especially if there was a prior diagnosis of lentigo maligna. The clinical recognition of DM without pigment background is very challenging. Dermoscopic features are of limited value ( 12 ). Amelanotic DM may be confused with a scar, fibroma, cyst, or keratinocyte (basal cell or squamous cell) carcinoma...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-19
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... nevi and present as a flesh-colored, erythematous, brown or black papule, plaque, or nodule. Large tumors may be ulcerated. The clinical impression may be broad, ranging from pyogenic granuloma or fibroma to nevus or melanoma. Spitz and spitzoid melanomas tend to occur in younger patients, but the age...
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
... paucicellular, giving the lesion at low magnification a scar or fibroma-like appearance. Within the dermal stroma the melanocytes may be arranged in small nests, short fascicles, or as solitary units. Angiomatoid vascular changes may be seen. Lymphocytic aggregates may also be present. DESMOPLASTIC SPITZ NEVUS...
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 neck, sun-exposed skin  Blue, blue-black papule, may also look like a fibroma Flesh-colored papule or plaque, may have tan or brown component Histopathologic Findings  Usually no intraepidermal component Often associated with melanoma in situ  Symmetry common Asymmetry often...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>: MAGNETIC RESONANCE IMAGING  This large cardiac <span class="search-highlight">fibroma</span> (ye...
Published: 15 November 2023
CARDIAC FIBROMA: MAGNETIC RESONANCE IMAGING Figure 42-1 CARDIAC FIBROMA: MAGNETIC RESONANCE IMAGING This large cardiac fibroma (yellow asterisk) located in the left ventricular (LV) free wall is impinging on the LV cavity, while the right ventricle (RV) is spared. More about this image found in CARDIAC FIBROMA: MAGNETIC RESONANCE IMAGING This large cardiac fibroma (ye...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>: SURGICAL EXCISION  A: This large lobulated cardiac <span class="search-highlight">fibroma</span>...
Published: 15 November 2023
CARDIAC FIBROMA: SURGICAL EXCISION Figure 42-2 CARDIAC FIBROMA: SURGICAL EXCISION A: This large lobulated cardiac fibroma has scant brown myocardium on the surface. B: Large morcellated cardiac fibroma removed in a piecemeal fashion. C: Cut surface of a surgically excised cardiac fibroma exhibi... More about this image found in CARDIAC FIBROMA: SURGICAL EXCISION A: This large lobulated cardiac fibroma...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>  Left: Large septal cardiac <span class="search-highlight">fibroma</span> (black asterisk) imping...
Published: 15 November 2023
CARDIAC FIBROMA Figure 42-3 CARDIAC FIBROMA Left: Large septal cardiac fibroma (black asterisk) impinging on both the LV and RV cavities. Right: Cardiac fibroma (black asterisk) within the LV free wall. More about this image found in CARDIAC FIBROMA Left: Large septal cardiac fibroma (black asterisk) imping...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>: VARIABLE CELLULARITY  Cardiac <span class="search-highlight">fibromas</span> may be cellular (le...
Published: 15 November 2023
CARDIAC FIBROMA: VARIABLE CELLULARITY Figure 42-5 CARDIAC FIBROMA: VARIABLE CELLULARITY Cardiac fibromas may be cellular (left) or paucicellular (right). The latter are more common in older patients, while the former are more often seen in younger patients. More about this image found in CARDIAC FIBROMA: VARIABLE CELLULARITY Cardiac fibromas may be cellular (le...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>: MARGINS  The periphery of cardiac <span class="search-highlight">fibromas</span> frequently show...
Published: 15 November 2023
CARDIAC FIBROMA: MARGINS Figure 42-6 CARDIAC FIBROMA: MARGINS The periphery of cardiac fibromas frequently show tumor extending into adjacent myocardium, seen with hematoxylin and eosin (left) or better highlighted with Masson trichrome staining (right). More about this image found in CARDIAC FIBROMA: MARGINS The periphery of cardiac fibromas frequently show...
Images
CARDIAC <span class="search-highlight">FIBROMA</span>: CALCIFICATION  Areas of calcification are characteristic o...
Published: 15 November 2023
CARDIAC FIBROMA: CALCIFICATION Figure 42-7 CARDIAC FIBROMA: CALCIFICATION Areas of calcification are characteristic of cardiac fibromas. They may be small microcalcifications throughout (left) or large sheet-like areas of calcification (right). More about this image found in CARDIAC FIBROMA: CALCIFICATION Areas of calcification are characteristic o...
Images
FIBROBLASTS OF CARDIAC <span class="search-highlight">FIBROMA</span>  Left: Bland, spindle-shaped fibroblasts are...
Published: 15 November 2023
FIBROBLASTS OF CARDIAC FIBROMA Figure 42-4 FIBROBLASTS OF CARDIAC FIBROMA Left: Bland, spindle-shaped fibroblasts are the lesional cells. Right: Dense pink collagen is often visible in and among the fibroblasts. More about this image found in FIBROBLASTS OF CARDIAC FIBROMA Left: Bland, spindle-shaped fibroblasts are...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch43
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
...Table 43-1 DIAGNOSIS OF TUBEROUS SCLEROSIS COMPLEX a Major Diagnostic Features b  Cardiac rhabdomyoma  Hypomelanotic macules (≥3 in number, each ≥5 mm)  Angiofibromas (≥3)  Ungual fibromas (≥2)  Shagreen patch  Multiple retinal hamartomas...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch40
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... fibroma . Thorac Cardiovasc Surg   1983 ; 31 : 254 - 5 . 36. Georghiou   GP , Shapira   Y , Stamler   A , et al . Surgical excision of papillary fibroelastoma for known or potential embolization . J Heart Valve Dis   2005 ; 14 : 843 - 7 . 37. Elbardissi   AW , Dearani   JA...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch50
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... , Slesnick   TC . Right ventricular inflammatory myofibroblastic tumor characterization by cardiovascular magnetic resonance . J Am Coll Cardiol   2011 ; 57 : e205 . 20. de Montpreville   VT , Serraf   A , Aznag   H , Nashashibi   N , Planche   C , Dulmet   E . Fibroma...
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
... spin echo sequence is useful for distinguishing cardiac hemangioma from nonvascular tumors (e.g., cardiac fibroma). The lack of signal homogeneity, with diffuse echodensities on echocardiography, is also characteristic. An angiogram may demonstrate a tumor “blush” from feeder vessels, although...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch56
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
..., but must be distinguished from undifferentiated pleomorphic sarcoma or myxofibrosarcoma in the presence of significant cellular atypia, and fibroma, especially in children, in whom fibromas may be deceptively cellular. The etiology of myxofibrosarcomas is unknown, but they are believed...
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
... Pathol   2011 ; 20 : 307 - 14 . 10. Calhoun   TR , Terry   EE , Best   EB , Sunbury   TR . Myocardial fibroma or fibrous hamartoma . Ann Thorac Surg   1981 ; 32 : 406 - 10 . 11. Tanimura   A , Kato   M , Morimatsu   M . Cardiac hamartoma. A case report . Acta...
Images
OVARIAN <span class="search-highlight">FIBROMA</span>  A: Gross image of a <span class="search-highlight">fibroma</span> shows a typical white and yell...
Published: 01 August 2023
OVARIAN FIBROMA Figure 12-1 OVARIAN FIBROMA A: Gross image of a fibroma shows a typical white and yellow fibrous appearance. B: Gross image of a cellular and mitotically active fibroma. This tumor has a more uniform tan appearance. C: Low-power histologic image shows the storiform growth patter... More about this image found in OVARIAN FIBROMA A: Gross image of a fibroma shows a typical white and yell...