petrous


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petrous

[′pe·trəs]
(materials)
Referring to a material whose hardness resembles that of stone.
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References in periodicals archive ?
The internal acoustic meatus (IAM) is a short bony canal that lies between the posterior surface of the petrous pyramid and the bony labyrinth within the dense petrous bone (Standring, 2005); the IAM opens medially to the posterior canal fossa through the porus acusticus.
Anthropometry of internal acoustic meatus/Antropometria del meato acustico interno
Cholesterol granulomas are the most common pathologic entities in the petrous apex, accounting for 60% of all lesions in this area.
How to approach a bilobed petrous apex granuloma: a case report
Radical or Total Temporal Bone Resection.--This radical procedure is indicated for tumors that involve the petrous apex and extend intracranially or into the infratemporal fossa.
Data Set for the Reporting of Ear and Temporal Bone Tumors: Explanations and Recommendations of the Guidelines From the International Collaboration on Cancer Reporting
Through this approach, we were able to reach the area of the petrous apex over the cochlea and to identify the main anatomical structures to preserve, such as the lateral semicircular canal and the stapes.
Endoscopic Transcanal Approach to Geniculate Ganglion Hemangioma and Simultaneous Facial Nerve Reinnervation: A Case Report
Cases of involvement of labyrinth, petrous temporal bone and intracranial compartments were not encountered.
EXCLUSIVE ENDOSCOPIC CHOLESTEATOMA SURGERY
Mostly, the petrous apex is non-aerated and composed of dense bone and bone marrow (Figure 1).
Common Benign Conditions of the Petrous Apex in the Pediatric Population
(1) Most commonly these occur intracranially including at the cerebral convexities, sphenoid ridges, and petrous ridges.
Metastatic adenocarcinoma involving atypical meningioma
Lesions of the petrous temporal bone are characterized by facial paralysis and hearing loss.
Extraskeletal presentation of Ewing's Sarcoma
The favourite bone to get DNA from is the petrous bone - the inner-ear bone that extends inside the skull.
The Skeleton key to past; Chat on the Box Alfons Kennis
'EAR WE GO: The favourite bone to get DNA from is the petrous bone - the inner-ear bone that extends inside the skull.
Welcome.
There were also bilateral lesions of the petrous temporal bones.
Langerhans cell histiocytosis presenting as a scalp mass in a child
Other commonly affected bones are long bones (tibia, femur, fibula, humerus, radius, and ulna), vertebrae, and the other bones including patella, petrous apex, scapula, and metacarpals.
Intraosseous Schwannoma of the Calcaneus: A Rare Tumor of the Bone

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