Search Results for myoepithelial

PLEOMORPHIC ADENOMA Figure 2-34 PLEOMORPHIC ADENOMA A: Low-magnification view of a palate pleomorphic adenoma with areas of cellular myoepithelial cells, ducts, and myxoid stroma. B: High-magnification view shows sheets of myoepithelial cells with bland cytology, nodular areas of myxoid stroma More about this image found in PLEOMORPHIC ADENOMA A: Low-magnification view of a palate pleomorphic aden...

LOW-GRADE NONINTESTINAL SINONASAL ADENOCARCINOMA Figure 1-50 LOW-GRADE NONINTESTINAL SINONASAL ADENOCARCINOMA A: Cases harboring BRAF p.V600E mutation have an unusual appearance, frequently with micropapillary growth and two cell types: an inner ductal cell and an outer myoepithelial More about this image found in LOW-GRADE NONINTESTINAL SINONASAL ADENOCARCINOMA A: Cases harboring

CERUMINOUS ADENOMA Figure 8-71 CERUMINOUS ADENOMA A: All the neoplastic cells are strongly positive with pancytokeratin. B: The luminal cells tend to be highlighted with CK7 specifically. C: The basal-myoepithelial cells are highlighted by p63. D: GATA3 highlights the luminal-glandular cells More about this image found in CERUMINOUS ADENOMA A: All the neoplastic cells are strongly positive with ...

PLEOMORPHIC ADENOMA Figure 6-82 PLEOMORPHIC ADENOMA A: The tumor shows a uniform population of ovoid myoepithelial cells dispersed in a chondromyxoid matrix. B: Areas of tumor resemble cartilage with loose, basophilic matrix and lacunae. More about this image found in PLEOMORPHIC ADENOMA A: The tumor shows a uniform population of ovoid myoep...

HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA Figure 1-55 HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA A,B: This is a biphasic tumor type, with a predominance of myoepithelial cells that exhibit varying degrees of cytoplasmic clearing (A) and spindling (B). C,D: Ducts are usually present More about this image found in HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA A,B: This is a biphasic tu...

CERUMINOUS PLEOMORPHIC ADENOMA Figure 8-69 CERUMINOUS PLEOMORPHIC ADENOMA A: Low power shows a pleomorphic adenoma below the surface. B: The biphasic appearance of the pleomorphic adenoma is easy to detect below an intact squamous epithelium. C: The epithelial-myoepithelial nature More about this image found in CERUMINOUS PLEOMORPHIC ADENOMA A: Low power shows a pleomorphic adenoma be...

HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA Figure 1-57 HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA A,B: The biphasic nature of the tumor is demonstrated. Myoepithelial cells stain for markers like smooth muscle actin (A), and the ductal elements are positive for CD117 (B). C,D More about this image found in HPV-RELATED MULTIPHENOTYPIC SINONASAL CARCINOMA A,B: The biphasic nature o...

: There is a desmoplastic stromal reaction to the islands of neoplastic cells. D: A biphasic appearance is seen, with luminal atypical columnar cells and basal-myoepithelial cells. More about this image found in CERUMINOUS ADENOCARCINOMA, NOS A: Large cystically dilated spaces are line...

and eosinophilic cytoplasm are commonly seen in minor salivary gland pleomorphic adenomas. D: Myoepithelial-rich pleomorphic adenoma with a chondroid matrix. More about this image found in PLEOMORPHIC ADENOMA A: Characteristic low-power image shows varying patter...

CERUMINOUS ADENOMA Figure 8-68 CERUMINOUS ADENOMA A: A dual cell population consists of inner luminal apocrine-type cells subtended by a myoepithelial layer. B: Florid apocrine change is seen, with ample eosinophilic cytoplasm forming blebs. The basal layer is intact. C: The biphasic More about this image found in CERUMINOUS ADENOMA A: A dual cell population consists of inner luminal apo...

MYOEPITHELIAL CELLS: MYRIAD HISTOLOGIC APPEARANCES Figure 1-5 MYOEPITHELIAL CELLS: MYRIAD HISTOLOGIC APPEARANCES A: Myoepithelial cells with more attenuated spindled cells. B: Myoid myoepithelial cells (see also fig. 1-4 : clear myoepithelial cells). More about this image found in MYOEPITHELIAL CELLS: MYRIAD HISTOLOGIC APPEARANCES A: Myoepithelial cells ...

IMMUNOSTAINS FOR THE PRESENCE OF MYOEPITHELIAL CELLS Figure 1-6 IMMUNOSTAINS FOR THE PRESENCE OF MYOEPITHELIAL CELLS A: The myoepithelial cell nuclei surrounding the ducts and lobules stain positively with p63; the epithelial cell nuclei are negative. B: Smooth muscle myosin heavy chain stains More about this image found in IMMUNOSTAINS FOR THE PRESENCE OF MYOEPITHELIAL CELLS A: The myoepithelial ...