Search Results for lobule

LOBULAR CAPILLARY HEMANGIOMA Figure 1-70 LOBULAR CAPILLARY HEMANGIOMA A: Tight lobules with central veins are below an intact squamous epithelium. B: Lobules of capillary are separated by stroma below an ulcerated surface. C: Loose lobules of vessels surround a central vessel. D: Compressed More about this image found in LOBULAR CAPILLARY HEMANGIOMA A: Tight lobules with central veins are below...

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...

INFANTILE HEMANGIOMA Figure 4-43 INFANTILE HEMANGIOMA A: In the proliferative phase, cellular lobules form dense masses. B,C: In the involution phase, dilated lumens become prominent. D: The endothelial cells in infantile hemangioma are reactive for GLUT1 immunohistochemistry. More about this image found in INFANTILE HEMANGIOMA A: In the proliferative phase, cellular lobules form ...

CONVENTIONAL CHONDROSARCOMA Figure 5-193 CONVENTIONAL CHONDROSARCOMA A: Lobules of neoplastic cartilage infiltrate the submucosal soft tissue. B: Permeative growth into bone of atypical chondrocytes with nuclear hyperchromasia and binucleation. More about this image found in CONVENTIONAL CHONDROSARCOMA A: Lobules of neoplastic cartilage infiltrate ...

OLFACTORY NEUROBLASTOMA Figure 1-134 OLFACTORY NEUROBLASTOMA A: Grossly, this olfactory neuroblastoma (ONB) is a glistening, whitetan mass below the epithelium. (Courtesy of Dr. K. Magliocca, Atlanta, GA) B: A polypoid tissue fragment contains numerous lobules of tumor separated More about this image found in OLFACTORY NEUROBLASTOMA A: Grossly, this olfactory neuroblastoma (ONB) is ...

CHORDOMA Figure 7-51 CHORDOMA A resected upper nasal cavity chordoma shows a myxoid, shiny, lobulated cut surface. More about this image found in CHORDOMA A resected upper nasal cavity chordoma shows a myxoid, shiny, lob...

LARYNGEAL CHONDROSARCOMA Figure 6-100 LARYNGEAL CHONDROSARCOMA A total laryngectomy specimen for chondrosarcoma shows a lobulated, white-gray, pearly, homogenous mass arising from the cricoid cartilage. More about this image found in LARYNGEAL CHONDROSARCOMA A total laryngectomy specimen for chondrosarcoma ...

MYOFIBROMA (MYOPERICYTOMA) IN THE DIFFERENTIAL DIAGNOSIS OF GLOMANGIOPERICYTOMA Figure 1-106 MYOFIBROMA (MYOPERICYTOMA) IN THE DIFFERENTIAL DIAGNOSIS OF GLOMANGIOPERICYTOMA A,B: Myofibroma often shows well-developed myoid bodies (A), which are often perivascular (B). C,D: These lobules More about this image found in MYOFIBROMA (MYOPERICYTOMA) IN THE DIFFERENTIAL DIAGNOSIS OF GLOMANGIOPERICY...

LOBULAR CAPILLARY HEMANGIOMA Figure 1-69 LOBULAR CAPILLARY HEMANGIOMA Polypoid masses on low power. A: Surface ulceration with a collarette of metaplastic squamous epithelium. B: Lobules of capillaries within a fibrous stroma. C: Extensively hyalinized tumor with myxoid change and surface More about this image found in LOBULAR CAPILLARY HEMANGIOMA Polypoid masses on low power. A: Surface ulc...

: The fibrous connective tissue separates the lobules of capillaries. More about this image found in LOBULAR CAPILLARY HEMANGIOMA A: Relatively high cellularity is seen around...

NASOPHARYNGEAL ANGIOFIBROMA Figure 3-27 NASOPHARYNGEAL ANGIOFIBROMA A: Clinical endoscopic image of an exophytic mass covered by mucosa and emanating from the right nasopharynx. B: Angiofibromas appear grossly as lobulated, rubbery masses with a smooth outer surface and borders. C: Cross More about this image found in NASOPHARYNGEAL ANGIOFIBROMA A: Clinical endoscopic image of an exophytic m...

CHORDOMA Figure 7-53 CHORDOMA A: Chondroid chordoma can have a basophilic matrix with lobulation and tumor cells in lacunae, mimicking a chondrosarcoma. However, careful inspection identifies areas more typical of chordoma, as in the upper left aspect of this image. B: Dedifferentiated chordoma More about this image found in CHORDOMA A: Chondroid chordoma can have a basophilic matrix with lobulatio...

MUCOSAL MELANOMA Figure 1-147 MUCOSAL MELANOMA One of the helpful features in documenting primary disease is junctional activity, although pagetoid spread can be seen with many different tumor types in the sinonasal tract. A: Lobules of melanoma cells are seen at the junction. B: Small nests More about this image found in MUCOSAL MELANOMA One of the helpful features in documenting primary diseas...

lobules of fatty tumor contains scattered atypical stroma cells with hyperchromatic nuclei. D: High-power view of a fibrous septum shows multiple hyperchromatic stromal cells. More about this image found in WELL-DIFFERENTIATED LIPOSARCOMA A: Low-power view shows mature appearing a...