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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-ch48
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
...CYSTIC TUMOR OF THE ATRIOVENTRICULAR NODE: MAGNETIC RESONANCE IMAGING Figure 48-1 CYSTIC TUMOR OF THE ATRIOVENTRICULAR NODE: MAGNETIC RESONANCE IMAGING Although these rests are usually diagnosed initially at autopsy, cardiac imaging may detect them during life. A cardiac magnetic resonance image...
Images
CELLULAR BLUE NEVUS WITH <span class="search-highlight">CYSTIC</span> DEGENERATION  Nodule of melanocytes has a p...
Published: 01 February 2024
CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Figure 8-16 CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Nodule of melanocytes has a peripheral rim of fibrous stroma and central loose edematous stroma and hemorrhage. Some of the vessels have a hyalinized rim. More about this image found in CELLULAR BLUE NEVUS WITH CYSTIC DEGENERATION Nodule of melanocytes has a p...
Images
ADENOID <span class="search-highlight">CYSTIC</span> CARCINOMA  The tubular pattern of adenoid <span class="search-highlight">cystic</span> carcinoma i...
Published: 01 January 2024
ADENOID CYSTIC CARCINOMA Figure 8-67 ADENOID CYSTIC CARCINOMA The tubular pattern of adenoid cystic carcinoma is seen at high power. Basement membrane material is present in the pseudolumens of the tubules. More about this image found in ADENOID CYSTIC CARCINOMA The tubular pattern of adenoid cystic carcinoma i...
Images
<span class="search-highlight">CYSTIC</span> NEUTROPHILIC GRANULOMATOUS MASTITIS  A: Scanning magnification of a ...
Published: 01 January 2024
CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS Figure 2-5 CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS A: Scanning magnification of a breast core needle biopsy showing granulomatous inflammation. B: High power of a granuloma shows the admixed neutrophils. C: Cystic areas surrounded by a cuff of neutrophils. D: Brown and Brenn stain illustrates the presence of Gram-positive rods within a cystic space. The organisms are consistent with Corynebacteria species. More about this image found in CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS A: Scanning magnification of a ...
Images
<span class="search-highlight">CYSTIC</span> HYPERSECRETORY DUCTAL CARCINOMA IN SITU  A: At low power, expansion ...
Published: 01 January 2024
CYSTIC HYPERSECRETORY DUCTAL CARCINOMA IN SITU Figure 3-33 CYSTIC HYPERSECRETORY DUCTAL CARCINOMA IN SITU A: At low power, expansion of the lobules by bright eosinophilic secretions is appreciated. In addition, micropapillary proliferation and hyperchromasia of the epithelium lining the acini are... More about this image found in CYSTIC HYPERSECRETORY DUCTAL CARCINOMA IN SITU A: At low power, expansion ...
Images
<span class="search-highlight">CYSTIC</span> HYPERSECRETORY CHANGE  A: Low power shows dilated acini expanded by ...
Published: 01 January 2024
CYSTIC HYPERSECRETORY CHANGE Figure 3-34 CYSTIC HYPERSECRETORY CHANGE A: Low power shows dilated acini expanded by bright eosinophilic secretions. There does not appear to be cellular proliferation or cytologic atypia at this power. B: At higher power the secretory nature of the cytoplasm is bet... More about this image found in CYSTIC HYPERSECRETORY CHANGE A: Low power shows dilated acini expanded by ...
Images
ADENOID <span class="search-highlight">CYSTIC</span> CARCINOMA  This tumor displays both epithelial 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...
Images
ADENOID <span class="search-highlight">CYSTIC</span> CARCINOMA  Both epithelial 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...
Images
SOLID BASALOID ADENOID <span class="search-highlight">CYSTIC</span> CARCINOMA  A: On low power, this tumor has a ...
Published: 01 January 2024
SOLID BASALOID ADENOID CYSTIC CARCINOMA Figure 8-68 SOLID BASALOID ADENOID CYSTIC CARCINOMA A: On low power, this tumor has a very basaloid (and solid) appearance. B: Careful examination at high power reveals areas of basement membrane material and more spindled myoepithelial cell nuclei. C: A ... More about this image found in SOLID BASALOID ADENOID CYSTIC CARCINOMA A: On low power, this tumor has a ...
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 schwannian features  Variable additional findings:   Lacunae containing melanophages   Cystic degeneration in central part of nevus with loose edematous stroma   Necrosis usually absent, but ischemic or post-traumatic necrosis may be seen Ancillary Methods  Immunohistochemistry...
Images
SECRETORY CARCINOMA  A: Tumor cell nests with a microcystic pattern are emb...
Published: 01 January 2024
SECRETORY CARCINOMA Figure 9-2 SECRETORY CARCINOMA A: Tumor cell nests with a microcystic pattern are embedded in dense fibrotic stroma. B: Higher-power view shows eosinophilic secretions in some of the cystic spaces. C: At high power, the cytologic features are better appreciated: the cells ha... More about this image found in SECRETORY CARCINOMA A: Tumor cell nests with a microcystic pattern are emb...
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
... history of sarcoidosis helps support the diagnosis. Histochemical stains should be performed to rule out infectious etiologies. Cystic Neutrophilic Granulomatous Mastitis Definition.  Cystic neutrophilic granulomatous mastitis is a granulomatous infection specific to the breast ( 22 ). General...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-03
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
..., as discussed above. Special Types of DCIS. There are several morphologic variants of DCIS, such as apocrine DCIS, DCIS with endocrine differentiation, DCIS with mucinous differentiation, DCIS with signet ring cells, and cystic hypersecretory DCIS. These special types may have any of the architectural...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-08
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... carcinoma, NST. These include tubular carcinoma, invasive cribriform carcinoma, and mucinous carcinoma, as well as some triple-negative cancers, such as adenoid cystic carcinoma ( 22 ). Histologic Grade Over the years, histologic grade has been confirmed as a robust, independent prognostic indicator ( 23...
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
... examination, the lesion may appear as an irregular and cystic mass. Retroareolar asymmetrical density and skin thickening may be observed on mammogram ( 3 , 5 ). Microscopic Findings. In many cases, there is an exuberant acute inflammatory reaction, with neutrophils and microabscess formation obscuring...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-09
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... usually present with a mass or nipple discharge/bleeding. The absence of both apocrine metaplasia and a prominent cystic component distinguishes this entity from juvenile papillomatosis. A family history is reported in 13 to 28 percent of cases, but there does not appear to be an increase in personal...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-01
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... that resembles the Arias-Stella reaction) ( fig. 1-7 ). Pregnancy-like change may be seen in association with cystic hypersecretory hyperplasia (see chapter 3 ), although the exact relationship of these lesions to one another remains uncertain ( 30 ). The other process is clear cell change...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-14
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... is usually cystic, with a squamous epithelial lining; keratinaceous debris may be seen ( fig. 14-17 ). These inclusions may be located more centrally within the lymph node parenchyma. Combined glandular and squamous inclusions have features of both. BENIGN SQUAMOUS INCLUSION Figure 14-17 BENIGN SQUAMOUS...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-10
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
..., with approximately equal frequency (about 2 percent of cases), as well as tubular carcinoma and adenoid cystic carcinoma. Invasive lobular carcinoma is rare in men. The broad histologic spectrum of invasive ductal carcinoma, NST, present in the female breast, is encountered, with the notable observation...
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
... of collagenous spherulosis. B: At high power, these spaces are surrounded by myoepithelial cells and there is a thin cuticle of basement membrane material. The importance of recognizing collagenous spherulosis is not so much for what it is, but rather for not mistaking it for DCIS, adenoid cystic carcinoma...