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metaplasia

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MELANOCYTIC NEVUS WITH FATTY <span class="search-highlight">METAPLASIA</span>  A: Silhouette of an intradermal ne...
Published: 01 February 2024
MELANOCYTIC NEVUS WITH FATTY METAPLASIA Figure 3-11 MELANOCYTIC NEVUS WITH FATTY METAPLASIA A: Silhouette of an intradermal nevus shows fatty changes. B: Melanocytes are admixed with adipose tissue. More about this image found in MELANOCYTIC NEVUS WITH FATTY METAPLASIA A: Silhouette of an intradermal ne...
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SQUAMOUS <span class="search-highlight">METAPLASIA</span>  Squamous <span class="search-highlight">metaplasia</span> may be seen in a variety of breast...
Published: 01 January 2024
SQUAMOUS METAPLASIA Figure 2-23 SQUAMOUS METAPLASIA Squamous metaplasia may be seen in a variety of breast lesions; this example involves an intraductal papilloma. More about this image found in SQUAMOUS METAPLASIA Squamous metaplasia may be seen in a variety of breast...
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IMPLANT CAPSULE WITH SYNOVIAL-LIKE <span class="search-highlight">METAPLASIA</span>
Published: 01 January 2024
IMPLANT CAPSULE WITH SYNOVIAL-LIKE METAPLASIA Figure 2-11 IMPLANT CAPSULE WITH SYNOVIAL-LIKE METAPLASIA More about this image found in IMPLANT CAPSULE WITH SYNOVIAL-LIKE METAPLASIA
Images
IMPLANT CAPSULE WITH SQUAMOUS <span class="search-highlight">METAPLASIA</span>
Published: 01 January 2024
IMPLANT CAPSULE WITH SQUAMOUS METAPLASIA Figure 2-12 IMPLANT CAPSULE WITH SQUAMOUS METAPLASIA More about this image found in IMPLANT CAPSULE WITH SQUAMOUS METAPLASIA
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PHYLLODES TUMOR WITH SQUAMOUS <span class="search-highlight">METAPLASIA</span> OF THE EPITHELIAL 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...
Images
SQUAMOUS <span class="search-highlight">METAPLASIA</span> OF LACTIFEROUS DUCTS  A: Low-power view shows the squam...
Published: 01 January 2024
SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS Figure 13-1 SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS A: Low-power view shows the squamous epithelial lining extending deep into the nipple duct. B,C: Intermediate- (B) and higher- (C) power views of the squamous lining of the nipple duct with consequent a... More about this image found in SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS A: Low-power view shows the squam...
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PROBABLE SQUAMOUS <span class="search-highlight">METAPLASIA</span> OF LACTIFEROUS DUCTS (SMOLD)  A: Low-power vie...
Published: 01 January 2024
PROBABLE SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS (SMOLD) Figure 13-2 PROBABLE SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS (SMOLD) A: Low-power view shows blood and inflammatory cells. B: At higher power, the inflammation is noted to be mixed, composed of lymphocytes, neutrophils, and multi-nucleat... More about this image found in PROBABLE SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS (SMOLD) A: Low-power vie...
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SQUAMOUS <span class="search-highlight">METAPLASIA</span> OF LACTIFEROUS DUCTS  This image depicts keratinaceous ...
Published: 01 January 2024
SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS Figure 13-3 SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS This image depicts keratinaceous debris engulfed by giant cells. More about this image found in SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS This image depicts keratinaceous ...
Images
SQUAMOUS <span class="search-highlight">METAPLASIA</span> OF LACTIFEROUS DUCTS  A: Low-power view shows squamous ...
Published: 01 January 2024
SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS Figure 13-4 SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS A: Low-power view shows squamous epithelium lining nipple ducts; some adjacent nipple ducts with the characteristic plicated contours are unaffected. B: High-power view of the squamous-lined nipple duct... More about this image found in SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS A: Low-power view shows squamous ...
Images
INTRADUCTAL PAPILLOMA  A: Low-power image of an intraductal papilloma with ...
Published: 01 January 2024
INTRADUCTAL PAPILLOMA Figure 7-5 INTRADUCTAL PAPILLOMA A: Low-power image of an intraductal papilloma with apocrine metaplasia. B,C: Intermediate (B) and high- (C) power images demonstrate the abundant eosinophilic cytoplasm, round nuclei, and prominent nucleoli characteristic of apocrine metapl... More about this image found in INTRADUCTAL PAPILLOMA A: Low-power image of an intraductal papilloma with ...
Images
ATYPICAL APOCRINE ADENOSIS  The cytologic features are those of apocrine me...
Published: 01 January 2024
ATYPICAL APOCRINE ADENOSIS Figure 6-14 ATYPICAL APOCRINE ADENOSIS The cytologic features are those of apocrine metaplasia, but there is tremendous variability in the size and shape of the nuclei, warranting a diagnosis of atypical apocrine adenosis in this core needle biopsy specimen. More about this image found in ATYPICAL APOCRINE ADENOSIS The cytologic features are those of apocrine me...
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APOCRINE ADENOSIS  A: The cells in this case of sclerosing adenosis have ab...
Published: 01 January 2024
APOCRINE ADENOSIS Figure 6-12 APOCRINE ADENOSIS A: The cells in this case of sclerosing adenosis have abundant granular eosinophilic cytoplasm, large round nuclei, and prominent nucleoli. B: The cytologic features, which are those of apocrine metaplasia, are readily recognized at high power. More about this image found in APOCRINE ADENOSIS A: The cells in this case of sclerosing adenosis have ab...
Images
INTRADUCTAL PAPILLOMA WITH STROMAL SCLEROSIS (SCLEROSING PAPILLOMA)  A: Scl...
Published: 01 January 2024
INTRADUCTAL PAPILLOMA WITH STROMAL SCLEROSIS (SCLEROSING PAPILLOMA) Figure 7-11 INTRADUCTAL PAPILLOMA WITH STROMAL SCLEROSIS (SCLEROSING PAPILLOMA) A: Sclerosing papilloma in an excision specimen. There are areas of apocrine metaplasia in the papilloma and entrapped glands in the dense stromal sc... More about this image found in INTRADUCTAL PAPILLOMA WITH STROMAL SCLEROSIS (SCLEROSING PAPILLOMA) A: Scl...
Images
JUVENILE PAPILLOMATOSIS  A: Low-power view demonstrates variably sized cyst...
Published: 01 January 2024
JUVENILE PAPILLOMATOSIS Figure 9-1 JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cysts, foci of apocrine metaplasia (lower left), fibroadenomatous change (upper right), micropapillomas, and adenosis. B: Intermediate power of the areas of adenosis, cysts, and micropapillom... More about this image found in JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cyst...
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
... population is a feature of “biochemical” maturation. Miscellaneous findings commonly seen in acquired nevi include neurotization ( fig. 3-10 ), fatty metaplasia ( fig. 3-11 ), and pseudovascular changes ( fig. 3-12 ) ( 14 ). Additional features that may be seen include variable degrees of edema ( fig. 3-13...
Images
NIPPLE ADENOMA  A: The proliferation comprising the nipple adenoma is compo...
Published: 01 January 2024
NIPPLE ADENOMA Figure 13-6 NIPPLE ADENOMA A: The proliferation comprising the nipple adenoma is composed of nests of epithelial cells embedded in a fibrotic stroma. In this case, there is also squamous metaplasia of the nipple ducts with an associated chronic inflammatory cell infiltrate. B,C: I... More about this image found in NIPPLE ADENOMA A: The proliferation comprising the nipple adenoma is compo...
Images
NIPPLE ADENOMA  A: At low power, a benign epithelial proliferation is appar...
Published: 01 January 2024
NIPPLE ADENOMA Figure 13-7 NIPPLE ADENOMA A: At low power, a benign epithelial proliferation is apparent below the epidermis of the nipple. The proliferation is composed predominantly of benign papillomas and apocrine cysts. B: Higher power of the area of papillary proliferation and apocrine met... More about this image found in NIPPLE ADENOMA A: At low power, a benign epithelial proliferation is appar...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-13
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... and smooth muscle. Rarely, mammary glands are present deeper in the dermis (polymastia). SQUAMOUS METAPLASIA OF LACTIFEROUS DUCTS (ZUSKA DISEASE) Definition. The squamous epithelium of the nipple areolar complex invaginates 1 to 2 mm into the nipple duct orifice (see chapter 1 ). Squamous metaplasia...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-02
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... against the native tissue. The development of this synovial-like lining is of little consequence, except to note that it can become hyperplastic, with micropapillations seen on histologic evaluation. Squamous metaplasia of the implant capsule occurs less frequently ( fig. 2-12 ). IMPLANT CAPSULE Figure 2...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-10
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... syndrome, with risk for ocular melanoma, mesothelioma, renal cell carcinoma, and other neoplasms ( Table 10-2 ) ( 11 ). Microscopic features suggestive of a germline mutation include the presence of junctional nests with BAP1 loss and fatty metaplasia of dermal melanocytes. Some BAP1-inactivated nevi show...