Search Results for follicular

OROPHARYNGEAL FOLLICULAR LYMPHOMA Figure 2-45 OROPHARYNGEAL FOLLICULAR LYMPHOMA The follicle structures of follicular lymphoma, unlike normal germinal centers, lack expression of BCL2. The cells are negative by immunohistochemistry. More about this image found in OROPHARYNGEAL FOLLICULAR LYMPHOMA The follicle structures of follicular ly...

OROPHARYNGEAL FOLLICULAR LYMPHOMA Figure 2-43 OROPHARYNGEAL FOLLICULAR LYMPHOMA At low magnification numerous follicle structures are seen in the tonsil. They are large, irregular, and variably sized. More about this image found in OROPHARYNGEAL FOLLICULAR LYMPHOMA At low magnification numerous follicle s...

OROPHARYNGEAL FOLLICULAR LYMPHOMA Figure 2-44 OROPHARYNGEAL FOLLICULAR LYMPHOMA The follicle structures consist of sheets of cells with irregular (cleaved) nuclei and lack the degree of proliferation and apoptosis seen in normal germinal centers. More about this image found in OROPHARYNGEAL FOLLICULAR LYMPHOMA The follicle structures consist of sheet...

OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA Figure 2-46 OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA Low magnification view shows vaguely nodular sheets of cells interspersed with some associated mature lymphocytes. More about this image found in OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA Low magnification view sho...

OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA Figure 2-47 OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA High magnification view shows the tumor cells in sheets with round to ovoid nuclei, small nucleoli, scattered multinucleated cells, irregular nuclear contours, and interspersed mature More about this image found in OROPHARYNGEAL FOLLICULAR DENDRITIC CELL SARCOMA High magnification view sh...

FOLLICULAR AMELOBLASTOMA Figure 5-41 FOLLICULAR AMELOBLASTOMA Palisaded and hyperchromatic peripheral cells are prominent. More about this image found in FOLLICULAR AMELOBLASTOMA Palisaded and hyperchromatic peripheral cells are...

FOLLICULAR AMELOBLASTOMA Figure 5-42 FOLLICULAR AMELOBLASTOMA The tumor islands show peripheral palisading with reverse nuclear polarity and subnuclear vacuolization. More about this image found in FOLLICULAR AMELOBLASTOMA The tumor islands show peripheral palisading with...

HEAD AND NECK LYMPHOMAS Figure 7-13 HEAD AND NECK LYMPHOMAS A: Follicular lymphoma shows a uniform population of intermediate-sized lymphocytes with irregular nuclei. B: Small lymphocytic lymphoma is composed of a monotonous population of small lymphocytes with hyperchromatic nuclei. C More about this image found in HEAD AND NECK LYMPHOMAS A: Follicular lymphoma shows a uniform population ...

FOLLICULAR DENDRITIC CELL SARCOMA Figure 7-16 FOLLICULAR DENDRITIC CELL SARCOMA A,B: Groups of loosely cohesive, atypical histiocytoid cells (A) are immunohistochemically positive for CD23 (B). More about this image found in FOLLICULAR DENDRITIC CELL SARCOMA A,B: Groups of loosely cohesive, atypica...

of the nasopharyngeal tissue. C: An immunostain is diffusely positive for the B-cell marker CD20. D: Follicular lymphomas of the nasopharynx are less common and are often grade 2 or 3. More about this image found in PRIMARY NON-HODGKIN LYMPHOMA OF THE NASOPHARYNX Lymphomas are infrequent i...

MALASSEZIA FOLLICULITIS Figure 24-47 MALASSEZIA FOLLICULITIS Numerous small follicular pustules with surrounding erythema on the posterior neck and upper back. (Courtesy of Dr. P. Moodley, Sandton, South Africa) More about this image found in MALASSEZIA FOLLICULITIS Numerous small follicular pustule...