1-20 of 2032

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Figure 1-2
Published: 01 June 2025
NORMAL TURBINATE Figure 1-2 NORMAL TURBINATE The nasal turbinates are composed of erectile tissue that contains thick, muscularized blood vessels. Given their prominence, they are sometimes mistaken for a vascular malformation or neoplasm. More about this image found in NORMAL TURBINATE The nasal turbinates are composed of erectile tissue that...
Images
Figure 1-68
Published: 01 June 2025
LOBULAR CAPILLARY HEMANGIOMA Figure 1-68 LOBULAR CAPILLARY HEMANGIOMA CT shows a soft tissue density mass (white arrow) in the anterior nose, adjacent to Little area in sagittal (A) and axial (B) views. More about this image found in LOBULAR CAPILLARY HEMANGIOMA CT shows a soft tissue density mass (white ar...
Images
Figure 1-90
Published: 01 June 2025
SOLITARY FIBROUS TUMOR Figure 1-90 SOLITARY FIBROUS TUMOR A: A coronal CT demonstrates a soft tissue density filling the left nasal cavity. B: Axial CT shows embolization material in an orbital tumor (white arrow). C: A pale, bosselated polypoid mass expands into the nasal lumen. (Courtesy More about this image found in SOLITARY FIBROUS TUMOR A: A coronal CT demonstrates a soft tissue density ...
Images
Figure 1-98
Published: 01 June 2025
GLOMANGIOPERICYTOMA Figure 1-98 GLOMANGIOPERICYTOMA A: Sagittal CT demonstrates a large, soft tissue density filling the nasal cavity (white arrow). B: An axial MRI T1-weighted fat suppressed postcontrast image of a soft tissue enhancing mass (white arrow) in the posterior nasal cavity. More about this image found in GLOMANGIOPERICYTOMA A: Sagittal CT demonstrates a large, soft tissue densi...
Images
Figure 1-130
Published: 01 June 2025
NEUROGLIAL HETEROTOPIA Figure 1-130 NEUROGLIAL HETEROTOPIA A: It is difficult to see the neural tissue within all of the fibrosis and thus additional studies are often required to document it. B: Glial tissue is easily identified in this field, with fibrosis noted at the bottom. C: Histiocytes More about this image found in NEUROGLIAL HETEROTOPIA A: It is difficult to see the neural tissue within ...
Images
Figure 1-131
Published: 01 June 2025
NEUROGLIAL HETEROTOPIA Figure 1-131 NEUROGLIAL HETEROTOPIA A: Glial tissue lacks atypia and is not aggregated to suggest a neoplasm. B: Heavy fibrosis nearly completely obscures the glial tissue (lighter pink cytoplasm). C: Giant cell reaction is noted adjacent to minor mucoserous glands. D More about this image found in NEUROGLIAL HETEROTOPIA A: Glial tissue lacks atypia and is not aggregated ...
Images
Figure 1-132
Published: 01 June 2025
NEUROGLIAL HETEROTOPIA Figure 1-132 NEUROGLIAL HETEROTOPIA A: Glial tissue blends imperceptibly with the adjacent fibrous connective tissue. B: The glial tissue is red, while the fibrosis is blue with a trichrome stain. C: The neural tissue is highlighted with glial fibrillary acidic protein More about this image found in NEUROGLIAL HETEROTOPIA A: Glial tissue blends imperceptibly with the adjac...
Images
Figure 1-164
Published: 01 June 2025
AMELOBLASTOMA Figure 1-164 AMELOBLASTOMA A,B: A maxillary sinus opacified soft tissue density is shown in these CT images (white arrow), from coronal (A) and axial (B) views. There is no maxilla connection to suggest jaw involvement. More about this image found in AMELOBLASTOMA A,B: A maxillary sinus opacified soft tissue density is show...
Images
Figure 4-42
Published: 01 June 2025
LYMPHANGIOMA Figure 4-42 LYMPHANGIOMA A: Dilated lymphatic channels replace the connective tissue papillae. B: D2-40 immunohistochemistry highlights the lymphatic endothelium. More about this image found in LYMPHANGIOMA A: Dilated lymphatic channels replace the connective tissue p...
Images
Figure 5-219
Published: 01 June 2025
CHERUBISM Figure 5-219 CHERUBISM A: Vascular fibrous tissue with scattered multinucleated osteoclast-like giant cells and hemorrhage. B: Eosinophilic cuff-like perivascular deposits (arrow) within the monotonous edematous spindle cell stroma. More about this image found in CHERUBISM A: Vascular fibrous tissue with scattered multinucleated osteocl...
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Figure 8-62
Published: 01 June 2025
AURAL POLYP Figure 8-62 AURAL POLYP A: Multiple polypoid fragments of tissue filled with inflammatory cells. B: The fragments of tissue have associated epithelium as part of the normal middle ear mucosa. C: Epithelial invaginations are seen along with dense inflammation. D: Tunnel clusters More about this image found in AURAL POLYP A: Multiple polypoid fragments of tissue filled with inflammat...
Images
Figure 8-63
Published: 01 June 2025
AURAL POLYP Figure 8-63 AURAL POLYP A: There is a polypoid appearance to the tissue, with rich inflammation. B: Isolated glandular units with ciliated epithelium are noted in the heavy inflammation with germinal center formation. C: There is a sea of lymphoid elements with plasma cells More about this image found in AURAL POLYP A: There is a polypoid appearance to the tissue, with rich inf...
Images
Figure 8-94
Published: 01 June 2025
ENCEPHALOCELE Figure 8-94 ENCEPHALOCELE A: Displaced neural tissue is seen adjacent to fibrosis. B: Inflammatory tissue is seen in the periphery. C: The neural tissue is highlighted with GFAP immunohistochemistry. More about this image found in ENCEPHALOCELE A: Displaced neural tissue is seen adjacent to fibrosis. B:...
Images
Figure 2-1
Published: 01 June 2025
NORMAL ANATOMY OF THE TONSILLAR TISSUES Figure 2-1 NORMAL ANATOMY OF THE TONSILLAR TISSUES At low power, portions of the oropharynx show invaginated crypt epithelium intimately associated with organized lymphoid tissue with prominent germinal centers. More about this image found in NORMAL ANATOMY OF THE TONSILLAR TISSUES At low power, portions of the orop...
Images
Figure 5-80
Published: 01 June 2025
COMPLEX ODONTOMA Figure 5-80 COMPLEX ODONTOMA Radiopaque masses of disorganized dental hard tissues. Thin radiolucent dental follicle surrounds the odontoma. More about this image found in COMPLEX ODONTOMA Radiopaque masses of disorganized dental hard tissues. Th...
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Figure 7-23
Published: 01 June 2025
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...
Images
Figure 6-5
Published: 01 June 2025
LARYNGEAL CONTACT ULCER Figure 6-5 LARYNGEAL CONTACT ULCER A: Low-magnification view of a contact ulcer shows polypoid, ulcerated tissue with exuberant granulation tissue. B: Contact ulcer with fibrinopurulent ulcer debris, prominent granulation tissue, and capillary vessels in the ulcer bed. More about this image found in LARYNGEAL CONTACT ULCER A: Low-magnification view of a contact ulcer shows...
Images
Figure 5-186
Published: 01 June 2025
OSTEOSARCOMA Figure 5-186 OSTEOSARCOMA Axial CT shows an expansile opaque mass with cortical destruction and extension into soft tissues. Bone is produced outside the cortex as the tumor invades soft tissue. More about this image found in OSTEOSARCOMA Axial CT shows an expansile opaque mass with cortical destruc...
Images
Figure 7-46
Published: 01 June 2025
LYMPHANGIOMA Figure 7-46 LYMPHANGIOMA A: At low magnification, lymphangiomas consist of open, dilated spaces, with the fibrous septa between them containing variable amounts of lymphoid tissue. B: Medium power shows the scattered, disorganized lymphoid tissue. C: The lining cells More about this image found in LYMPHANGIOMA A: At low magnification, lymphangiomas consist of open, dilat...
Images
Figure 1-176
Published: 01 June 2025
NK/T-CELL LYMPHOMA Figure 1-176 NK/T-CELL LYMPHOMA A: CT shows a destructive nasal cavity mass, expanding into the soft tissues (white arrow). (Courtesy of Dr. R. Carlos, Guatemala City, Guatemala) B: This axial CT demonstrates marked anterior nasal destruction with loss of soft tissue (white More about this image found in NK/T-CELL LYMPHOMA A: CT shows a destructive nasal cavity mass, expanding ...