Dab tsi yog qhov petrous?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Cov petrous qhov ntawm cov pob txha ntawm lub cev yog pyramid-puab thiab yog wedged nyob rau hauv lub hauv paus ntawm pob txha taub hau ntawm cov pob txha sphenoid thiab occipital. Qhia medially, rau pem hauv ntej, thiab me ntsis nce siab, nws nthuav tawm lub hauv paus, lub apex, peb qhov chaw, thiab peb lub kaum sab xis, thiab cov tsev nyob hauv nws sab hauv, cov khoom ntawm pob ntseg sab hauv.

Tsis tas li ntawd, qhov twg yog cov ridges?

Nyob rau sab hauv ntawm pob txha taub hau, tus petrous ib feem ntawm txhua lub cev pob txha lub cev ua qhov tseem ceeb, kab pheeb ces kaum petrous qaum nyob rau hauv pem teb ntawm lub cranial kab noj hniav. Nyob hauv txhua qhov petrous qab yog cov kab noj me me uas nyob hauv cov qauv ntawm nruab nrab thiab sab hauv pob ntseg.

Ib sab saum toj no, cov txheej txheem dab tsi muaj nyob hauv qhov tsis txaus ntseeg ntawm cov pob txha ntawm lub cev? Nco ntsoov tias muaj ob peb lub kwj dej tseem ceeb nyob hauv thaj tsam ntawm cov pob txha ntawm lub cev uas tau piav qhia ua ntej, thiab cov no yog:

• Carotid kwj dej.
• Facial Canal.
• Canaliculus rau chorda tympani.
• Tympanic canaliculus.
• Musculotubal kwj dej.
• Cochlear canaliculus yog qhov zoo tshaj plaws.
• Vestibular aqueduct.
• Sab hauv acoustic meatus.

Qhov thib ob, dab tsi yog CT petrous bone scan rau?

Cov CT yog qhov kev xeem muaj zog tshwj xeeb rau kev kawm txog tsib ntu ntawm T- pob txha : Squamous: tsim sab phab ntsa ntawm nruab nrab cranial fossa. Mastoid. Petrous : muaj pob ntseg sab hauv, sab hauv auditory kwj dej (IAC), petrous apex. Tympanic: ua rau feem ntau ntawm pob ntseg pob ntseg sab nraud.

Peb ntu ntawm pob txha ntawm lub cev yog dab tsi?

Qauv. Cov cev cev muaj plaub ntu - lub squamous, mastoid, petrous thiab tympanic ntu.