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Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA: FRONDS Figure 40-10 PAPILLARY FIBROELASTOMA: FRONDS A,B: The fronds are avascular and consist of collagen (A) (hematoxylin and eosin [H&E] stain) and granular elastin (elastic stain), which is variable from frond to frond (B). C,D: The surface is lined by a single la... More about this image found in PAPILLARY FIBROELASTOMA: FRONDS A,B: The fronds are avascular and consist ...
Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA Figure 40-2 PAPILLARY FIBROELASTOMA Numerous papillary fronds impart a “sea anemone”-like quality to the tumor. More about this image found in PAPILLARY FIBROELASTOMA Numerous papillary fronds impart a “sea anemone”-l...
Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA Figure 40-8 PAPILLARY FIBROELASTOMA Delicate, arborizing, fronds with central attachment. More about this image found in PAPILLARY FIBROELASTOMA Delicate, arborizing, fronds with central attachme...
Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA: FIBROSED TUMOR Figure 40-11 PAPILLARY FIBROELASTOMA: FIBROSED TUMOR When the fronds fibrose and fuse together, the tumor can lose its papillary appearance and mimic a thrombus or vegetation. An elastic stain highlights the remnant fronds. More about this image found in PAPILLARY FIBROELASTOMA: FIBROSED TUMOR When the fronds fibrose and fuse t...
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
... PAPILLARY FIBROELASTOMAS Figure 40-7 MULTIPLE PAPILLARY FIBROELASTOMAS Multiple PFEs arising from the left ventricular outflow tract of a patient who had previously undergone subaortic septal myectomy for hypertrophic cardiomyopathy. PAPILLARY FIBROELASTOMA: FRONDS Figure 40-10 PAPILLARY FIBROELASTOMA...
Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA: ECHOCARDIOGRAPHIC FEATURES Figure 40-1 PAPILLARY FIBROELASTOMA: ECHOCARDIOGRAPHIC FEATURES Left: A small aortic valve papillary fibroelastoma (PFE) (yellow arrow) with a shimmering edge. Right: Seen in profile, the stalk of the PFE and the fronds are in view. More about this image found in PAPILLARY FIBROELASTOMA: ECHOCARDIOGRAPHIC FEATURES Left: A small aortic v...
Images
Published: 15 November 2023
PAPILLARY FIBROELASTOMA AND LAMBL EXCRESCENCE (LE) Figure 40-13 PAPILLARY FIBROELASTOMA AND LAMBL EXCRESCENCE (LE) The PFE (yellow arrow) is typically larger and more complex with branching fronds, while a LE (yellow arrowhead) is simple, filiform, and without complex branching. LEs are also rest... More about this image found in PAPILLARY FIBROELASTOMA AND LAMBL EXCRESCENCE (LE) The PFE (yellow arrow) ...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-07
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
..., intraductal papillomas are composed of papillary fronds with fibrovascular cores, which are covered by a myoepithelial cell layer, overlying which is the epithelial cell layer ( fig. 7-1 ). Central lesions are present within large ducts, and peripheral ones are located within the terminal duct lobular units...
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
... structures and cords. Papillary fibroelastoma may also be confused with IMT by their location on the valve surface; however, the lack of cellularity and the presence of branching frond-like excrescences distinguish papillary fibroelastoma. The most difficult diagnostic differential is intimal...
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
... endothelial hyperplasia may mimic the vascular spaces seen in cardiac hemangioma. The zonal pattern of an organizing thrombus and the papillary fronds with fibrin are usually sufficient to differentiate from a true hemangioma. Treatment and Prognosis. After cardiac evaluation with imaging is performed, most...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch41
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... perivascular ring structures and do tend to exhibit zonation. Papillary Fibroelastoma. Both myxoma and papillary fibroelastoma are endocardial lesions. In contrast to myxoma, papillary fibroelastomas often arise on valvular surfaces. The papillary fronds of papillary fibroelastoma are avascular, whereas...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch15
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... fibroelastomas, a benign neoplasm known to occur on traumatized endocardial surfaces, also arise on the LVOT or on the cardiac valves in the setting of HCM ( 48 ). These consist of avascular fibroelastic fronds that arise from a common stalk and have a sea anemone appearance on gross examination and imaging...
Images
Published: 01 February 2023
MULLERIAN ADENOSARCOMA Figure 3-68 MULLERIAN ADENOSARCOMA A: Exophytic papillary or frond-like growth, also described as leaf-like architecture, is characteristic. B: The frond-like stromal growth protrudes into the glandular spaces with narrowing of the epithelial lumens. C,D: Periglandular st... More about this image found in MULLERIAN ADENOSARCOMA A: Exophytic papillary or frond-like growth, also d...
Images
Published: 01 February 2023
MULLERIAN ADENOSARCOMA Figure 3-68 MULLERIAN ADENOSARCOMA A: Exophytic papillary or frond-like growth, also described as leaf-like architecture, is characteristic. B: The frond-like stromal growth protrudes into the glandular spaces with narrowing of the epithelial lumens. C,D: Periglandular st... More about this image found in MULLERIAN ADENOSARCOMA A: Exophytic papillary or frond-like growth, also d...
Images
Published: 01 February 2023
SQUAMOUS PAPILLOMA Figure 4-34 SQUAMOUS PAPILLOMA An exophytic frond-like proliferation (left) is lined by mature stratified squamous epithelium without koilocytotic change (right). More about this image found in SQUAMOUS PAPILLOMA An exophytic frond-like proliferation (left) is lined b...
Images
Published: 01 February 2023
EXOPHYTIC CONDYLOMA Figure 5-8 EXOPHYTIC CONDYLOMA Above: There is frond-like exophytic growth with bulbous projections of acanthotic squamous epithelium. Right: At higher magnification, prominent viral cytopathic effect (koilocytosis) is seen. In many lesions (inset) the viral cytopathic effect... More about this image found in EXOPHYTIC CONDYLOMA Above: There is frond-like exophytic growth with bulbo...
Images
Published: 01 February 2023
PAPILLARY SQUAMOTRANSITIONAL CARCINOMA Figure 3-25 PAPILLARY SQUAMOTRANSITIONAL CARCINOMA In this example, squamous differentiation is evident in the papillary fronds. More about this image found in PAPILLARY SQUAMOTRANSITIONAL CARCINOMA In this example, squamous different...
Images
Published: 01 February 2023
INVASIVE SQUAMOUS CELL CARCINOMA Figure 3-20 INVASIVE SQUAMOUS CELL CARCINOMA A,B: Most lesions are located in the transformation zone in the distal cervical canal and are seen as frond-like, soft and friable masses that infiltrate the cervical wall. C: The tumor can also appear as areas of muco... More about this image found in INVASIVE SQUAMOUS CELL CARCINOMA A,B: Most lesions are located in the tran...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-3
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
...) classification, defined as a lesion having a thickness of less than 10 cells ( 12 , 13 ). Sometimes HSIL presents with exophytic frond-like or papillary growth ( fig. 3-12 ). CLASSIC HIGH-GRADE SQUAMOUS INTRAEPITHELIAL LESION (CIN2-3) Figure 3-10 CLASSIC HIGH-GRADE SQUAMOUS INTRAEPITHELIAL LESION (CIN2-3...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-4
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... stratified squamous epithelium with a delicate basket weave keratin layer ( fig. 4-34 ). The nuclei are evenly spaced, euchromatic, and uniform in size and shape. SQUAMOUS PAPILLOMA Figure 4-34 SQUAMOUS PAPILLOMA An exophytic frond-like proliferation (left) is lined by mature stratified squamous...
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