new-skull頭顱影像學(xué)(編輯修改稿)
2025-02-08 08:35 本頁面
【文章內(nèi)容簡介】 tory processes of facial bones, orbits, and the mandible. Head in true lateral (same position as for lateral skull as in Sim’s position), chin adjusted so that both IPL and IOML are 90? to couch top Film: HD 18x24 cm CP: Zygoma (midway between the outer canthus and EAM) CR: 90? to film center 13 Lateral Skull (for nasal bones) ?B For nasal bone fractures. Head in true lateral (same position as for lateral skull as in Sim’s position) or erect, chin adjusted so that both IPL and IOML are 90? to couch top. Film: HD 18x24 cm CP: cm inferior to naison CR: 90? to film center NB/ A long narrow cone should be used. 14 Lateral Skull (for sinuses) ?B For inflammatory conditions: Secondary osteomyelitis, sinusitis, and sinus polyps (good for sphenoid, frontal, ethmoid, and maxillary sinuses). Patient erect sitting, head in true lateral (IPL 90? to film) Film: HD 18x24 cm CP: Midway between outer canthus and EAM CR: 90? horizontal to film center 15 Lateral 25? 30? (Axiolateral) (for mandible) ?B For s, neoplastic, or for inflammatory processes of the mandible (both sides are done for parison) . Head in true lateral with MSP parallel to the film, side of interest placed against the film, mouth closed, head then rotated in oblique 30? (for the body), 45? (for mentum), and 10? 15? for a (general survey). Film: HD 18x24 cm CP: Mandibular region of interest (body, ramus, … .). CR: 25? cephalic. 16 Lateral 15? (Modified Law for TMJs) ?S For advanced bony pathology of the mastoid process. Patient prone or erect, head in lateral, IPL 90? to film, face ( and MSP) then rotated 15? toward the film. Film: HD 18x24 cm CP: 4 cm superior to upside EAM CR: 15? caudal to pass through the downside TMJ. 17 Axiolateral (Sch252。ller for mastoids) ?S For advanced bony pathology of the mastoid air cells. Patient prone or erect, head in the true lateral, IPL 90? to film, MSP parallel to the film. Film: HD 18x24 cm CP: downside mastoid tip (4 cm superior, 4 cm posterior to upside EAM). CR: 25? 30? caudal. 18 Axioanterior Oblique (Stenvers for mastoids) ?B ? For advanced pathology of temporal bone, ., acoustic neuroma. Both sides are to be examined. ? Patient prone or erect, IOML 9
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