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papillary

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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
...Papillary lesions of the breast span the spectrum of benign through atypical to malignant proliferations ( Table 7-1 ). The papillary architecture is the unifying feature of the group, though variations in structure may be appreciated. It is the epithelial and myoepithelial components...
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
...Table 40-1 NONVALVULAR LOCATIONS OF PAPILLARY FIBROELASTOMAS Papillary muscle Right coronary artery ostium Ventricular septum Left ventricular outflow tract Left atrium Right atrium Right ventricular outflow tract Tricuspid valve cords Left ventricular endocardium...
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DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS...
Published: 01 February 2024
DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS) Figure 9-4 DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS) This lesion is limited to the papillary and superficial reticular dermis. More about this image found in DEEP PENETRATING NEVUS ASSOCIATED WITH A CONVENTIONAL NEVUS (COMBINED NEVUS...
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LENTIGO MALIGNA MELANOMA WITH SINGLE CELL MICROINVASION  Melanoma in situ i...
Published: 01 February 2024
LENTIGO MALIGNA MELANOMA WITH SINGLE CELL MICROINVASION Figure 13-11 LENTIGO MALIGNA MELANOMA WITH SINGLE CELL MICROINVASION Melanoma in situ is associated with isolated atypical melanocytes (arrows) in a fibrosed papillary dermis. More about this image found in LENTIGO MALIGNA MELANOMA WITH SINGLE CELL MICROINVASION Melanoma in situ i...
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LENTIGO MALIGNA MELANOMA IN SITU  There is an increased density of solitary...
Published: 01 February 2024
LENTIGO MALIGNA MELANOMA IN SITU Figure 13-4 LENTIGO MALIGNA MELANOMA IN SITU There is an increased density of solitary units of melanocytes at the dermoepidermal junction. The melanocytes also display cytologic atypia: their nuclei are larger and more hyperchromatic than the nuclei of adjacent k... More about this image found in LENTIGO MALIGNA MELANOMA IN SITU There is an increased density of solitary...
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NEVOID MELANOMA  A: Plaque-like silhouette of the tumor simulates the appea...
Published: 01 February 2024
NEVOID MELANOMA Figure 17-6 NEVOID MELANOMA A: Plaque-like silhouette of the tumor simulates the appearance of a small congenital nevus. Several thin elongated rete ridges are present. B: The papillary dermis contains dense aggregates of melanocytes, some of which have enlarged nuclei. C: Mitot... More about this image found in NEVOID MELANOMA A: Plaque-like silhouette of the tumor simulates the appea...
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POLYPOID COMPOUND (UNNA) MELANOCYTIC NEVUS  A: There is an exophytic nodule...
Published: 01 February 2024
POLYPOID COMPOUND (UNNA) MELANOCYTIC NEVUS Figure 3-6 POLYPOID COMPOUND (UNNA) MELANOCYTIC NEVUS A: There is an exophytic nodule with a papillomatous surface. The papillary dermis is expanded and filled with small epithelioid intradermal melanocytes. The polypoid component is surrounded by a smal... More about this image found in POLYPOID COMPOUND (UNNA) MELANOCYTIC NEVUS A: There is an exophytic nodule...
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PIGMENTED EPITHELIOID MELANOCYTOMA  A: Silhouette of a heavily pigmented in...
Published: 01 February 2024
PIGMENTED EPITHELIOID MELANOCYTOMA Figure 11-2 PIGMENTED EPITHELIOID MELANOCYTOMA A: Silhouette of a heavily pigmented intradermal tumor from the shoulder of a 15-year-old boy. B: Junctional melanocytes are present, and many tumor cells involve both the papillary and reticular dermis. There is a... More about this image found in PIGMENTED EPITHELIOID MELANOCYTOMA A: Silhouette of a heavily pigmented in...
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LENTIGO MALIGNA MELANOMA IN SITU  A: There is a broad pigmented macular pro...
Published: 01 February 2024
LENTIGO MALIGNA MELANOMA IN SITU Figure 13-2 LENTIGO MALIGNA MELANOMA IN SITU A: There is a broad pigmented macular process. The epidermis shows lentigo-like features with hyperpigmentation of keratinocytes and focal slight elongation of rete ridges. Melanophages are present in the slightly fibro... More about this image found in LENTIGO MALIGNA MELANOMA IN SITU A: There is a broad pigmented macular pro...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-17
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... and circumscribed lesions, often submitted as “irritated nevus”  Flat or raised lesions; some with verrucous/papillomatous surface Histopathologic Findings  Densely cellular melanocyte aggregates filling and expanding papillary dermis  Long thin elongated rete ridges  Packed dermal papillae...
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<span class="search-highlight">PAPILLARY</span> LESION WITH INFARCTION  A: At low power, an area of <span class="search-highlight">papillary</span> duc...
Published: 01 January 2024
PAPILLARY LESION WITH INFARCTION Figure 7-8 PAPILLARY LESION WITH INFARCTION A: At low power, an area of papillary ductal carcinoma in situ (DCIS) is apparent at the right of the field, beside which is a needle biopsy tract with an adjacent area of necrosis. B: At higher power, the “ghosts” of f... More about this image found in PAPILLARY LESION WITH INFARCTION A: At low power, an area of papillary duc...
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SOLID <span class="search-highlight">PAPILLARY</span> CARCINOMA  A: Low-power image of solid <span class="search-highlight">papillary</span> carcinoma ...
Published: 01 January 2024
SOLID PAPILLARY CARCINOMA Figure 7-27 SOLID PAPILLARY CARCINOMA A: Low-power image of solid papillary carcinoma with solid, rounded nests and a delicate fibrovascular network. B,C: At intermediate (B) and high (C) power, the monomorphic cytology and cribriform architecture within the rounded nes... More about this image found in SOLID PAPILLARY CARCINOMA A: Low-power image of solid papillary carcinoma ...
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SOLID <span class="search-highlight">PAPILLARY</span> CARCINOMA  Solid <span class="search-highlight">papillary</span> carcinomas may retain a peripher...
Published: 01 January 2024
SOLID PAPILLARY CARCINOMA Figure 7-28 SOLID PAPILLARY CARCINOMA Solid papillary carcinomas may retain a peripheral myoepithelial cell layer, as in this example. In such cases, it is appropriate to classify the lesion as DCIS, solid papillary pattern, or solid papillary carcinoma in situ. (A: H&am... More about this image found in SOLID PAPILLARY CARCINOMA Solid papillary carcinomas may retain a peripher...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-11
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... present as a pure tumor phenotype or be part of a combined lesion with an associated conventional melanocytic nevus. It often involves both papillary and reticular dermis, but is sometimes limited to the reticular dermis. In approximately one third of the cases, junctional nests are present. Associated...
Images
INTRADUCTAL PAPILLOMA  A: At low power, the <span class="search-highlight">papillary</span> architecture and intr...
Published: 01 January 2024
INTRADUCTAL PAPILLOMA Figure 7-1 INTRADUCTAL PAPILLOMA A: At low power, the papillary architecture and intraductal location of this papilloma are readily appreciated. The fibrovascular cores are relatively broad. The epithelial component is not proliferative. B: At higher power, the myoepithelia... More about this image found in INTRADUCTAL PAPILLOMA A: At low power, the papillary architecture and intr...
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<span class="search-highlight">PAPILLARY</span> DUCTAL CARCINOMA IN SITU  A: Low-power view shows multiple ducts ...
Published: 01 January 2024
PAPILLARY DUCTAL CARCINOMA IN SITU Figure 7-20 PAPILLARY DUCTAL CARCINOMA IN SITU A: Low-power view shows multiple ducts with papillary proliferations, most of which have delicate fibrovascular cores. At this power, the nuclei of the epithelial proliferation appear hyperchromatic, suggesting atyp... More about this image found in PAPILLARY DUCTAL CARCINOMA IN SITU A: Low-power view shows multiple ducts ...
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<span class="search-highlight">PAPILLARY</span> DUCTAL CARCINOMA IN SITU  A: Low-power view shows multiple ducts ...
Published: 01 January 2024
PAPILLARY DUCTAL CARCINOMA IN SITU Figure 7-20 PAPILLARY DUCTAL CARCINOMA IN SITU A: Low-power view shows multiple ducts with papillary proliferations, most of which have delicate fibrovascular cores. At this power, the nuclei of the epithelial proliferation appear hyperchromatic, suggesting atyp... More about this image found in PAPILLARY DUCTAL CARCINOMA IN SITU A: Low-power view shows multiple ducts ...
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<span class="search-highlight">PAPILLARY</span> DUCTAL CARCINOMA IN SITU WITH GLOBOID CELLS  On occasion, a secon...
Published: 01 January 2024
PAPILLARY DUCTAL CARCINOMA IN SITU WITH GLOBOID CELLS Figure 7-21 PAPILLARY DUCTAL CARCINOMA IN SITU WITH GLOBOID CELLS On occasion, a second population of epithelial cells with relatively abundant clear cytoplasm is seen in papillary DCIS, as illustrated in the center of the field. More about this image found in PAPILLARY DUCTAL CARCINOMA IN SITU WITH GLOBOID CELLS On occasion, a secon...
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<span class="search-highlight">PAPILLARY</span> CARCINOMA, AT LEAST IN SITU  A: At low power of this core needle ...
Published: 01 January 2024
PAPILLARY CARCINOMA, AT LEAST IN SITU Figure 7-22 PAPILLARY CARCINOMA, AT LEAST IN SITU A: At low power of this core needle biopsy, there is a fragment of an atypical papillary proliferation. B,C: On intermediate (B) and high (C) power, the nuclear atypia is better appreciated: elongated, hyperc... More about this image found in PAPILLARY CARCINOMA, AT LEAST IN SITU A: At low power of this core needle ...
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ENCAPSULATED <span class="search-highlight">PAPILLARY</span> CARCINOMA  A: Low-power scanning magnification shows...
Published: 01 January 2024
ENCAPSULATED PAPILLARY CARCINOMA Figure 7-23 ENCAPSULATED PAPILLARY CARCINOMA A: Low-power scanning magnification shows a well-circumscribed, encapsulated papillary carcinoma. B: At high power, the epithelial atypia is better appreciated, with cribriform architecture in addition to the underlyin... More about this image found in ENCAPSULATED PAPILLARY CARCINOMA A: Low-power scanning magnification shows...