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epithelial

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SUBUNGUAL NEVUS FROM A CHILD  A: There is a proliferation of solitary units...
Published: 01 February 2024
SUBUNGUAL NEVUS FROM A CHILD Figure 5-4 SUBUNGUAL NEVUS FROM A CHILD A: There is a proliferation of solitary units and nests of melanocytes (arrows) involving the nail matrix associated with hyperpigmentation of epithelial cells. B: The nests (arrows) are well formed and composed of cytologicall... More about this image found in SUBUNGUAL NEVUS FROM A CHILD A: There is a proliferation of solitary units...
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ACRAL MELANOMA WITH SYRINGOTROPISM: IN SITU AND INVASIVE  A: The melanoma i...
Published: 01 February 2024
ACRAL MELANOMA WITH SYRINGOTROPISM: IN SITU AND INVASIVE Figure 14-8 ACRAL MELANOMA WITH SYRINGOTROPISM: IN SITU AND INVASIVE A: The melanoma in situ displays a mixed lentiginous, nested, and pagetoid pattern. It extends along the epithelial stromal junction of eccrine ducts (white arrows). B,C:... More about this image found in ACRAL MELANOMA WITH SYRINGOTROPISM: IN SITU AND INVASIVE A: The melanoma i...
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ACINI OF THE BREAST  The inner <span class="search-highlight">epithelial</span> cell layer and the outer myoepith...
Published: 01 January 2024
ACINI OF THE BREAST Figure 1-4 ACINI OF THE BREAST The inner epithelial cell layer and the outer myoepithelial cell layer are depicted. The myoepithelial cells can be variably prominent; in this case they have abundant clear cytoplasm. More about this image found in ACINI OF THE BREAST The inner epithelial cell layer and the outer myoepith...
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IMMUNOSTAIN FOR ESTROGEN RECEPTOR (ER)  In normal lobules, the <span class="search-highlight">epithelial</span> c...
Published: 01 January 2024
IMMUNOSTAIN FOR ESTROGEN RECEPTOR (ER) Figure 1-9 IMMUNOSTAIN FOR ESTROGEN RECEPTOR (ER) In normal lobules, the epithelial cells show variable nuclear expression with ER: some cells are negative, others demonstrate weak staining, and still others are strongly positive. More about this image found in IMMUNOSTAIN FOR ESTROGEN RECEPTOR (ER) In normal lobules, the epithelial c...
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FLAT <span class="search-highlight">EPITHELIAL</span> ATYPIA  A: Low power shows the variably dilated acini of th...
Published: 01 January 2024
FLAT EPITHELIAL ATYPIA Figure 3-3 FLAT EPITHELIAL ATYPIA A: Low power shows the variably dilated acini of the TDLU. The spaces have round, rigid contours. Secretions and calcifications are present in the acinar lumens. B: At higher power, the cuboidal nature of the epithelial cells becomes appar... More about this image found in FLAT EPITHELIAL ATYPIA A: Low power shows the variably dilated acini of th...
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FLAT <span class="search-highlight">EPITHELIAL</span> ATYPIA  Intermediate- (A) and high- (B) power images illust...
Published: 01 January 2024
FLAT EPITHELIAL ATYPIA Figure 3-4 FLAT EPITHELIAL ATYPIA Intermediate- (A) and high- (B) power images illustrate the round rigid contours of the acini characteristic of FEA, luminal secretions, cuboidal epithelial cells with apical cytoplasmic snouts, and atypical monomorphic nuclei, some of whic... More about this image found in FLAT EPITHELIAL ATYPIA Intermediate- (A) and high- (B) power images illust...
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FLAT <span class="search-highlight">EPITHELIAL</span> ATYPIA AND ATYPICAL LOBULAR HYPERPLASIA  In the center of t...
Published: 01 January 2024
FLAT EPITHELIAL ATYPIA AND ATYPICAL LOBULAR HYPERPLASIA Figure 3-5 FLAT EPITHELIAL ATYPIA AND ATYPICAL LOBULAR HYPERPLASIA In the center of the image is a single acinus lined by cells with low-grade cytologic atypia, i.e., FEA. Surrounding this space are lobules filled with, but not distended by,... More about this image found in FLAT EPITHELIAL ATYPIA AND ATYPICAL LOBULAR HYPERPLASIA In the center of t...
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USUAL DUCTAL HYPERPLASIA  A: UDH with swirling of the <span class="search-highlight">epithelial</span> cells in t...
Published: 01 January 2024
USUAL DUCTAL HYPERPLASIA Figure 3-10 USUAL DUCTAL HYPERPLASIA A: UDH with swirling of the epithelial cells in the center of the proliferation. B: High-power image reveals the heterogeneity of the epithelial cells and nuclei, as well as the swirling and streaming of the cells in the center of the... More about this image found in USUAL DUCTAL HYPERPLASIA A: UDH with swirling of the epithelial cells in t...
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USUAL DUCTAL HYPERPLASIA  The <span class="search-highlight">epithelial</span> cells in the bridge across a space...
Published: 01 January 2024
USUAL DUCTAL HYPERPLASIA Figure 3-11 USUAL DUCTAL HYPERPLASIA The epithelial cells in the bridge across a space involved by UDH are attenuated. More about this image found in USUAL DUCTAL HYPERPLASIA The epithelial cells in the bridge across a space...
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USUAL DUCTAL HYPERPLASIA WITH NECROSIS  A: Low-power image of an <span class="search-highlight">epithelial</span>...
Published: 01 January 2024
USUAL DUCTAL HYPERPLASIA WITH NECROSIS Figure 3-12 USUAL DUCTAL HYPERPLASIA WITH NECROSIS A: Low-power image of an epithelial proliferation with central necrosis. The necrosis may raise concern for ductal carcinoma in situ (DCIS), however, the epithelial cells are not atypical and retain the usua... More about this image found in USUAL DUCTAL HYPERPLASIA WITH NECROSIS A: Low-power image of an epithelial...
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ATYPICAL DUCTAL HYPERPLASIA: CRIBRIFORM PATTERN  The <span class="search-highlight">epithelial</span> cells are m...
Published: 01 January 2024
ATYPICAL DUCTAL HYPERPLASIA: CRIBRIFORM PATTERN Figure 3-16 ATYPICAL DUCTAL HYPERPLASIA: CRIBRIFORM PATTERN The epithelial cells are monomorphic and oriented or polarized toward the lumens within the proliferation. Note the presence of microcalcifications associated with the ADH. More about this image found in ATYPICAL DUCTAL HYPERPLASIA: CRIBRIFORM PATTERN The epithelial cells are m...
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ATYPICAL DUCTAL HYPERPLASIA  The central portion of this <span class="search-highlight">epithelial</span> prolife...
Published: 01 January 2024
ATYPICAL DUCTAL HYPERPLASIA Figure 3-19 ATYPICAL DUCTAL HYPERPLASIA The central portion of this epithelial proliferation is characterized by a monomorphic cell population with a cribriform architecture, i.e., features of low nuclear grade DCIS. However, at the periphery of the involved space is a... More about this image found in ATYPICAL DUCTAL HYPERPLASIA The central portion of this epithelial prolife...
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FIBROADENOMA WITH DUCTAL CARCINOMA IN SITU  A: At low power, the <span class="search-highlight">epithelial</span>...
Published: 01 January 2024
FIBROADENOMA WITH DUCTAL CARCINOMA IN SITU Figure 5-8 FIBROADENOMA WITH DUCTAL CARCINOMA IN SITU A: At low power, the epithelial areas within this fibroadenoma are more proliferative and show marked cytologic atypia. B: At high power, the ducts are expanded by a highly atypical epithelial prolif... More about this image found in FIBROADENOMA WITH DUCTAL CARCINOMA IN SITU A: At low power, the epithelial...
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PHYLLODES TUMOR WITH SQUAMOUS METAPLASIA OF THE <span class="search-highlight">EPITHELIAL</span> COMPONENT  Low-p...
Published: 01 January 2024
PHYLLODES TUMOR WITH SQUAMOUS METAPLASIA OF THE EPITHELIAL COMPONENT Figure 5-23 PHYLLODES TUMOR WITH SQUAMOUS METAPLASIA OF THE EPITHELIAL COMPONENT Low-power (A) and high-power (B,C) views. More about this image found in PHYLLODES TUMOR WITH SQUAMOUS METAPLASIA OF THE EPITHELIAL COMPONENT Low-p...
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ADENOMYOEPITHELIOMA  A: Low-power view shows a lobulated <span class="search-highlight">epithelial</span>-myoepit...
Published: 01 January 2024
ADENOMYOEPITHELIOMA Figure 7-40 ADENOMYOEPITHELIOMA A: Low-power view shows a lobulated epithelial-myoepithelial proliferation. B,C: At intermediate (B) and high (C) power, the two cell types are readily appreciated, with the epithelial component having more eosinophilic cytoplasm and the myoepi... More about this image found in ADENOMYOEPITHELIOMA A: Low-power view shows a lobulated epithelial-myoepit...
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FLAT <span class="search-highlight">EPITHELIAL</span> ATYPIA WITH MICROINVASION  Intermediate-power image illustr...
Published: 01 January 2024
FLAT EPITHELIAL ATYPIA WITH MICROINVASION Figure 8-27 FLAT EPITHELIAL ATYPIA WITH MICROINVASION Intermediate-power image illustrates variably dilated acini lined by monomorphic epithelial cells, diagnostic of flat epithelial atypia. In addition, there are a few angulated glands and nests of micro... More about this image found in FLAT EPITHELIAL ATYPIA WITH MICROINVASION Intermediate-power image illustr...
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DISPLACED EPITHELIUM  A: <span class="search-highlight">Epithelial</span> glands and nests are haphazardly distri...
Published: 01 January 2024
DISPLACED EPITHELIUM Figure 8-30 DISPLACED EPITHELIUM A: Epithelial glands and nests are haphazardly distributed in the cellular biopsy site stroma. B: At higher power, the epithelial elements have some degenerated features characteristic of this phenomenon. Foreign body giant cells and lymphocy... More about this image found in DISPLACED EPITHELIUM A: Epithelial glands and nests are haphazardly distri...
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TUBULAR CARCINOMA  A: Low power demonstrates areas of flat <span class="search-highlight">epithelial</span> atypi...
Published: 01 January 2024
TUBULAR CARCINOMA Figure 8-43 TUBULAR CARCINOMA A: Low power demonstrates areas of flat epithelial atypia at the left of the field. In the center, a small glandular proliferation is haphazardly arrayed in the stroma. B: There is some stromal elastosis associated with the carcinoma. More about this image found in TUBULAR CARCINOMA A: Low power demonstrates areas of flat epithelial atypi...
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ADENOID CYSTIC CARCINOMA  This tumor displays both <span class="search-highlight">epithelial</span> and myoepithe...
Published: 01 January 2024
ADENOID CYSTIC CARCINOMA Figure 8-65 ADENOID CYSTIC CARCINOMA This tumor displays both epithelial and myoepithelial differentiation and production of basement membrane material. “True” glandular lumens and pseudolumens, formed by myoepithelial cells, which have clearer cytoplasm, are present; the... More about this image found in ADENOID CYSTIC CARCINOMA This tumor displays both epithelial and myoepithe...
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ADENOID CYSTIC CARCINOMA  Both <span class="search-highlight">epithelial</span> and myoepithelial differentiation...
Published: 01 January 2024
ADENOID CYSTIC CARCINOMA Figure 8-66 ADENOID CYSTIC CARCINOMA Both epithelial and myoepithelial differentiation are seen, with production of basement membrane material. This tumor has a trabecular growth pattern. More about this image found in ADENOID CYSTIC CARCINOMA Both epithelial and myoepithelial differentiation...