Search Results for duct

THYROGLOSSAL DUCT CYST Figure 7-23 THYROGLOSSAL DUCT CYST A: On low power, this thyroglossal duct cyst is almost unilocular, with a thin lining, fibrous wall, and some residual thyroid tissue in the upper right corner. B: This thyroglossal duct cyst has a mixture of respiratory and squamous More about this image found in THYROGLOSSAL DUCT CYST A: On low power, this thyroglossal duct cyst is alm...

ADENOMATOID ODONTOGENIC TUMOR Figure 5-66 ADENOMATOID ODONTOGENIC TUMOR The nuclei of the duct-like areas are often polarized away from the lumen. More about this image found in ADENOMATOID ODONTOGENIC TUMOR The nuclei of the duct-like areas are often ...

NASOPALATINE DUCT CYST Figure 5-223 NASOPALATINE DUCT CYST A: Panoramic radiograph of a well-delineated radiolucency of the anterior mandible (arrows) causing splaying of the maxillary central incisors. B: Flattened cuboidal epithelium overlying a fibrous connective tissue wall. C More about this image found in NASOPALATINE DUCT CYST A: Panoramic radiograph of a well-delineated radiol...

THYROGLOSSAL DUCT CYST Figure 7-24 THYROGLOSSAL DUCT CYST This cyst is noninflamed, lined by respiratory epithelium, and has scattered thyroid follicles in the wall. More about this image found in THYROGLOSSAL DUCT CYST This cyst is noninflamed, lined by respiratory epit...

THYROGLOSSAL DUCT CYST WITH PAPILLARY THYROID CARCINOMA Figure 7-25 THYROGLOSSAL DUCT CYST WITH PAPILLARY THYROID CARCINOMA A: This thyroglossal duct cyst has papillary thyroid carcinoma arising within it, with edematous papillae and inconspicuous tumor cells lining them. The hyoid bone is seen More about this image found in THYROGLOSSAL DUCT CYST WITH PAPILLARY THYROID CARCINOMA A: This thyrogloss...

THYROGLOSSAL DUCT CYST Figure 7-26 THYROGLOSSAL DUCT CYST Ciliated columnar cells are the most common cyst lining cells identified from aspirates of thyroglossal duct cysts. When inflamed, the squamous lining cells are increased. More about this image found in THYROGLOSSAL DUCT CYST Ciliated columnar cells are the most common cyst li...

ADENOID AMELOBLASTOMA Figure 5-67 ADENOID AMELOBLASTOMA A: Low-power view of an epithelial tumor with numerous duct-like spaces producing a cribriform pattern. B: Basaloid epithelial cells with numerous duct-like spaces lined by columnar epithelium. Cells at the periphery of the sheets More about this image found in ADENOID AMELOBLASTOMA A: Low-power view of an epithelial tumor with numero...

ADENOMATOID ODONTOGENIC TUMOR Figure 5-65 ADENOMATOID ODONTOGENIC TUMOR Diagnostic areas of nodular swirls of epithelium with duct-like spaces. More about this image found in ADENOMATOID ODONTOGENIC TUMOR Diagnostic areas of nodular swirls of epithe...

ADENOID CYSTIC CARCINOMA Figure 6-86 ADENOID CYSTIC CARCINOMA Tight, cribriform nests with basaloid cells, rounded collections of basophilic basement membrane material, and rare true ducts are typical for adenoid cystic carcinoma. The nuclei are angulated and hyperchromatic. More about this image found in ADENOID CYSTIC CARCINOMA Tight, cribriform nests with basaloid cells, roun...

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...

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...

odontogenic tumors like ameloblastoma. C,D: Other examples demonstrate prominent, hypereosinophilic ducts, which are not seen in cases arising in major glands. More about this image found in SINONASAL ADENOID CYSTIC CARCINOMA In the sinonasal cavity, adenoid cystic...

arrow) is noted in lesions of long duration. Marked collagen sclerosis (black arrows) is present. D: Homogeneous, eosinophilic material mimicking amyloid surrounds residual mucous ducts. More about this image found in SMOKELESS TOBACCO KERATOSIS A: Translucent to white “wrinkled” leukoplakia...

lateral to medial). B: A lateral view from inside the middle ear showing the relationship between tensor tympani muscle, ossicles, nerves, and internal carotid artery. C: Position of the endolymphatic sac and duct in relationship to the cochlear and semicircular canals. More about this image found in EAR AND TEMPORAL BONE: ANATOMY The complex anatomic relationships are diag...

HISTOLOGY OF THE ORAL CAVITY Figure 4-3 HISTOLOGY OF THE ORAL CAVITY A: Unencapsulated lobules of mucous glands and associated ducts. B: Von Ebner glands are serous glands located in the posterior tongue near the circumvallate papillae. C: Filiform papillae, the most numerous of the tongue More about this image found in HISTOLOGY OF THE ORAL CAVITY A: Unencapsulated lobules of mucous glands an...