BARTONELLA-ASSOCIATED PELIOSIS Figure 17-5 BARTONELLA-ASSOCIATED PELIOSIS In the liver (A) and bone marrow (B) characteristic randomly distributed and cystic, blood-filled cavities are seen, which typify this disorder. Warthin-Starry silver stain (C) demonstrates numerous etiologic bacteria. More about this image found in BARTONELLA-ASSOCIATED PELIOSIS In the liver (A) and bone ...

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...

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...

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 ...

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 ...

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 ...

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...

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...

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 ...

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...