CT PETROUS TEMPORAL BONES

INDICATIONS (1-4)

ct ptb indication

Otitis media
Chronic ear infection
Mastoiditis
Congenital anomaly
Trauma
Vertigo:
- Chronic, recurrent, tinnitus
- Chronic, recurrent, unilateral hearing loss
- Episodic, peripheral, initial exam
Head trauma- CSF leak suspected
Cholesteatoma, pre-operative planning
Cochlear implant candidate, pre-operative planning
Hearing loss:
- Conductive, no mass in ear, initial exam
- Mixed conductive and sensorineural, initial exam
Neoplasm with suspected intracranial or inner ear extension, surgical planning
Tinnitus:
- pulsatile, unilateral or bilateral, suspected retrotympanic lesion on otoscopy (may require angiogram if vascular malformation or variant is suspected)

ct ptb pt prep

ct ptb anatomy

Radiopaedia. CT Paranasal Sinuses (protocol). [Internet]. 2010 [updated 23 March 2023, cited 7 April 2024]. Available from https://radiopaedia.org/articles/ct-paranasal-sinus-protocol-1?lang=gb
Som, P. M., & Curtin, H. D. (2011). Head and neck imaging. Mosby Elsevier.
ACR–ASNR–SPR Practice parameter for the performance of computed tomography (CT) of the extracranial head and neck. American College of Radiology. (2023, August). https://www.acr.org/-/media/ACR/Files/Practice-Parameters/CT-Head-Neck.pdf
American College of Radiology (ACR). Appropriateness Criteria. [Internet]. 2022 [Updated 2023, Cited 20 Jan 2024]. Available from https://www.acr.org/Clinical-Resources/ACR-Appropriateness-Criteria