Search Results for nasal

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...

LEIOMYOMA Figure 1-59 LEIOMYOMA CT image of an anterior nasal cavity leiomyoma (white arrow) shows a well-circumscribed soft tissue density. More about this image found in LEIOMYOMA CT image of an anterior nasal cavity leiomyoma (white arrow) sho...

LOBULAR CAPILLARY HEMANGIOMA Figure 1-67 LOBULAR CAPILLARY HEMANGIOMA A: An ulcerated mass is just inside the nasal vestibule. B: An ulcerated polypoid mass is seen on endoscopy within the nasal cavity. (Courtesy of Dr. G. G. Calzada, San Diego, CA) More about this image found in LOBULAR CAPILLARY HEMANGIOMA A: An ulcerated mass is just inside the nasal...

NEUROFIBROMA Figure 1-86 NEUROFIBROMA A: A coronal CT shows a mass filling the left nasal cavity, with slight bowing of the maxillary sinus wall (white arrow). B: The sagittal view shows a large lesion that expands into the paranasal sinuses and nasopharynx (white arrow). More about this image found in NEUROFIBROMA A: A coronal CT shows a mass filling the left nasal cavity, w...

NASAL CHONDROMESENCHYMAL HAMARTOMA Figure 1-172 NASAL CHONDROMESENCHYMAL HAMARTOMA A: Low-power shows a polypoid mass containing bands of hyaline cartilage. B: At higher power, there are nodules of mature cartilage in the background of a loose fibromyxoid stroma. More about this image found in NASAL CHONDROMESENCHYMAL HAMARTOMA A: Low-power shows a polypoid mass cont...

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 ...

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...

NK/T-CELL LYMPHOMA Figure 1-175 NK/T-CELL LYMPHOMA Several patient photographs show the clinical features of NK/T-cell lymphoma. A: Marked distortion of the nasal ala with erythema. B: Complete loss of the external nasal structure. C: Significant nasal, orbital, and labial swelling More about this image found in NK/T-CELL LYMPHOMA Several patient photographs show the clinical features ...

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...

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 ...

NORMAL SCHNEIDERIAN MEMBRANE Figure 1-1 NORMAL SCHNEIDERIAN MEMBRANE This ciliated pseudostratified or so-called schneiderian epithelium lines most of the nasal cavity and paranasal sinuses. More about this image found in NORMAL SCHNEIDERIAN MEMBRANE This ciliated pseudostratified or so-called s...

SCHWANNOMA Figure 1-79 SCHWANNOMA A: Nasoendoscopy shows a polypoid mass protruding into the lumen of the nasal cavity. B: The globular mass is well defined, and easily removed during surgery. More about this image found in SCHWANNOMA A: Nasoendoscopy shows a polypoid mass protruding into the lume...

MENINGIOMA Figure 8-105 MENINGIOMA CT shows a large tumor expanding from the temporal bone region into the orbit and nasal cavity, the most common finding in ear/temporal bone meningioma. More about this image found in MENINGIOMA CT shows a large tumor expanding from the temporal bone region ...

ANTROCHOANAL POLYP Figure 1-4 ANTROCHOANAL POLYP A finger-like, elongated mass (A) protrudes into the nasal cavity from the ostium (B). The surface may be eroded and the polyps are frequently soft due to edema. More about this image found in ANTROCHOANAL POLYP A finger-like, elongated mass (A) protrudes into the na...

NEUROGLIAL HETEROTOPIA Figure 1-129 NEUROGLIAL HETEROTOPIA A: There is a subcutaneous mass on the bridge of the nose of this young child. B: Sagittal CT shows a soft tissue mass just below the nasal bone (white arrow). More about this image found in NEUROGLIAL HETEROTOPIA A: There is a subcutaneous mass on the bridge of th...

ANTROCHOANAL POLYP Figure 1-3 ANTROCHOANAL POLYP In axial computerized tomography (CT), the right maxillary sinus has a soft tissue density arising from the antrum and squeezing through the ostium to involve the nasal cavity. More about this image found in ANTROCHOANAL POLYP In axial computerized tomography (CT), the right maxill...

MENINGIOMA Figure 1-158 MENINGIOMA A: Axial CT shows a sphenoid sinus mass (white arrow), but no CNS connection. B: Coronal CT of a left nasal cavity mass (white arrow) shows no intracranial extension. More about this image found in MENINGIOMA A: Axial CT shows a sphenoid sinus mass (white arrow), but no C...

: Pseudostratified columnar epithelium may be seen in cysts that are located more superiorly toward the nasal cavity. D: Neurovascular bundles in the cyst wall are a common finding. More about this image found in NASOPALATINE DUCT CYST A: Panoramic radiograph of a well-delineated radiol...

MUCOSAL MELANOMA Figure 1-145 MUCOSAL MELANOMA A: A polypoid mass has expanded the contour of the nose, resulting in a deformity. B: Endoscopic view of a large, polypoid nasal cavity melanoma. (Courtesy of Dr. G. G. Calzada, San Diego, CA) C: Axial T2-weighted MRI identifies a mass filling More about this image found in MUCOSAL MELANOMA A: A polypoid mass has expanded the contour of the nose, ...

below the sella, suggesting continuity. C: Axial CT of a mass causing opacification of the sphenoid sinus (white arrow), with associated bone remodeling. D: Coronal MRI T1-weighted, fat-suppressed postcontrast image of a large pituitary tumor filling the nasal sinus, expanding into the maxillary More about this image found in PITUITARY NEUROENDOCRINE TUMOR (PitNET) A: An intraoperative photo of a va...