Search Results for hyperplasia

SQUAMOUS HYPERPLASIA Figure 6-30 SQUAMOUS HYPERPLASIA Simple squamous hyperplasia shows an increase in the overall thickness of the epithelium, sometimes with enlarged nuclei. This example shows minimal hyperkeratosis. More about this image found in SQUAMOUS HYPERPLASIA Simple squamous hyperplasia shows an increase in the ...

NK/T-CELL LYMPHOMA Figure 1-177 NK/T-CELL LYMPHOMA A: Pseudoepitheliomatous hyperplasia overshadows the lymphoid neoplasm. B: Intact surface squamous epithelium overlies a polymorphous lymphoid infiltrate. C: A large vessel in the center is destroyed, with bone destruction noted. D More about this image found in NK/T-CELL LYMPHOMA A: Pseudoepitheliomatous hyperplasia overshadows the ly...

MULTIFOCAL EPITHELIAL HYPERPLASIA Figure 4-35 MULTIFOCAL EPITHELIAL HYPERPLASIA A HIV-positive male with multifocal epithelial hyperplasia of the lips (black arrows) and a concomitant condyloma acuminatum (white arrow). More about this image found in MULTIFOCAL EPITHELIAL HYPERPLASIA A HIV-positive male with multifocal epit...

MULTIFOCAL EPITHELIAL HYPERPLASIA Figure 4-36 MULTIFOCAL EPITHELIAL HYPERPLASIA Characteristic histopathology of multifocal epithelial hyperplasia of the oral cavity with a subtle papillary architecture, marked epithelial acanthosis, and elongated rete. More about this image found in MULTIFOCAL EPITHELIAL HYPERPLASIA Characteristic histopathology of multifo...

MULTIFOCAL EPITHELIAL HYPERPLASIA Figure 4-37 MULTIFOCAL EPITHELIAL HYPERPLASIA Mitosoid bodies (arrows) are commonly seen. More about this image found in MULTIFOCAL EPITHELIAL HYPERPLASIA Mitosoid bodies (arrows) are commonly se...

GRANULAR CELL TUMOR Figure 4-38 GRANULAR CELL TUMOR A: Pseudoepitheliomatous hyperplasia overlying an unencapsulated granular cell tumor extending into the skeletal muscle. B: High-power view of the pseudoepitheliomatous hyperplasia associated with the granular cells. More about this image found in GRANULAR CELL TUMOR A: Pseudoepitheliomatous hyperplasia overlying an unen...

NECROTIZING SIALOMETAPLASIA Figure 4-75 NECROTIZING SIALOMETAPLASIA Pseudoepitheliomatous hyperplasia in necrotizing sialometaplasia mimics well-differentiated squamous carcinoma; however, the lobular configuration (arrows) of the glands is preserved. More about this image found in NECROTIZING SIALOMETAPLASIA Pseudoepitheliomatous hyperplasia in necrotizi...

PSEUDOEPITHELIOMATOUS HYPERPLASIA Figure 6-33 PSEUDOEPITHELIOMATOUS HYPERPLASIA A: Blastomycosis-associated pseudoepitheliomatous hyperplasia shows submucosal and intraepithelial neutrophils and undulating, very mature squamous epithelium mimicking a well-differentiated neoplastic process. B More about this image found in PSEUDOEPITHELIOMATOUS HYPERPLASIA A: Blastomycosis-associated pseudoepithe...

GRANULAR CELL TUMOR WITH PSEUDOEPITHELIOMATOUS HYPERPLASIA Figure 6-91 GRANULAR CELL TUMOR WITH PSEUDOEPITHELIOMATOUS HYPERPLASIA High-magnification view of an area of pseudoepitheliomatous hyperplasia where rounded, small nests of keratinizing epithelium appear to break away into the stroma More about this image found in GRANULAR CELL TUMOR WITH PSEUDOEPITHELIOMATOUS HYPERPLASIA High-magnificat...

BENIGN ENLARGED CERVICAL LYMPH NODES Figure 7-12 BENIGN ENLARGED CERVICAL LYMPH NODES A–C: Reactive lymphoid hyperplasia shows a polymorphous population of lymphocytes, tingible body macrophages, and lymphohistiocytic aggregates. D: Non-necrotizing granulomatous inflammation can be associated More about this image found in BENIGN ENLARGED CERVICAL LYMPH NODES A–C: Reactive lymphoid hyperplasia sh...

APICAL PERIODONTAL CYST Figure 5-129 APICAL PERIODONTAL CYST The cyst is lined by mature nonkeratinized stratified squamous epithelium without cytologic atypia but often with reactive epithelial hyperplasia. More about this image found in APICAL PERIODONTAL CYST The cyst is lined by mature nonkeratinized stratif...

MUCOSAL MELANOMA Figure 4-57 MUCOSAL MELANOMA A: Atypical melanocytes in the basal layer spread laterally in the radial growth phase. B: Pagetoid spread in the epithelium, with a nested epithelioid growth pattern in the stroma. C: Pseudoepitheliomatous hyperplasia overlying spindle-shaped More about this image found in MUCOSAL MELANOMA A: Atypical melanocytes in the basal layer spread lateral...

IMMATURE SQUAMOUS METAPLASIA Figure 6-31 IMMATURE SQUAMOUS METAPLASIA In immature squamous metaplasia with hyperplasia, the respiratory epithelium is undermined and replaced by immature squamous epithelium with round nuclei, minimal maturation, and little cytoplasm. This can be easily confused More about this image found in IMMATURE SQUAMOUS METAPLASIA In immature squamous metaplasia with hyperpla...

highlights the fungal hyphae and spores. C: Pseudoepitheliomatous hyperplasia associated with candidiasis. A neutrophilic microabscess is seen in the keratin (arrow). D: Moderate epithelial dysplasia with secondary colonization by Candida (inset). More about this image found in ORAL CANDIDIASIS A: Chronic hyperplastic candidiasis on the midline poster...

: Marginal zone lymphoma shows a polymorphous pattern of lymphocytes which can easily be mistaken for reactive lymphoid hyperplasia. D: Mantle cell lymphoma shows a uniform population of intermediate-sized lymphocytes. (Papanicolaou stains) More about this image found in HEAD AND NECK LYMPHOMAS A: Follicular lymphoma shows a uniform population ...

CANDIDIASIS Figure 6-32 CANDIDIASIS A: Hyperplastic candidiasis manifests as pseudoepitheliomatous hyperplasia, and shows marked acanthosis, prominent hyperkeratosis, and neutrophils in the superficial keratin layers. The rete are thickened and elongated. B: A higher-power view of hyperplastic More about this image found in CANDIDIASIS A: Hyperplastic candidiasis manifests as pseudoepitheliomatous...