Gịnị bụ ihe osise na ihe MRI? Na MRI diagnoses?

Diagnosis nke ọtụtụ ọrịa nke ukwu mgbagwoju anya site eziokwu na iji n'ụzọ ziri ezi chọpụta ihe bụ nsogbu, ahụ na atụmatụ nke mpụga anụ ahụ mgbanwe, mgbanwe ya Ọdịdị. N'ọnọdụ dị otú ahụ, ndị kasị mma usoro maka nchoputa bụ magnetik resonance Onyonyo (MRI).

Gịnị bụ magnetik resonance Onyonyo

Anya site MRI taa bụ nnọọ nkịtị n'ihi na ọ na-enye gị ohere iji anya nke uche fọrọ nke nta niile esịtidem akụkụ na ịchọpụta bughi mgbanwe anụ ahụ na akụkụ; Karịsịa, layered foto nke ụbụrụ MRI bụ nnọọ ihe ọmụma na-enye nnọọ aka na nchoputa nke intracranial etuto ahụ nke cancer, ọrịa strok (bara uru karịsịa ohere ahụ center na hemorrhagic ọrịa strok) na vaskụla ọrịa (aneurysms ma ọ bụ malformations); MRI dị mkpa, na oké traumatic mmerụ ahụ n'ụbụrụ.

uru nke usoro

MRI agwakọta ọhụhụ na ngosi, ma n'otu oge na nchekwa n'ihi ọrịa.

The doro uru nke MRI bụ na ọ bụ doo anya na ndị dị otú ahụ n'ụzọ zuru ezu n'ụzọ zuru ezu foto nke esịtidem akụkụ na anụ ahụ pụrụ inweta n'ejighị iche mmadụ.

Otú ọ dị, mgbe ụfọdụ, n'ihi na a ọzọ zuru ezu anya nke iche nkwalite bụ mee; akpan akpan, ọ bụ na ọdabara mgbe ọmụmụ nke ụbụrụ vaskụla daa ọrịa. Pictures of ụbụrụ MRI na iche bụ nnọọ ihe ọmụma na nnukwu ọrịa ụbụrụ ọbara ọrịa, ebe ha na-eme ka o kwe omume ka Chọpụta larịị nke arịa mmerụ ahụ na kpọmkwem akụkụ nke-enweghị nchịkwa na-elekwasị anya.

Olee otú ndị nyocha

N'okpuru nduzi nke magnetik oscillations agbanwe omume nke hydrogen atọm, ebe ọ bụ na ngagharị mode gbanwere ghaghị ebubo ahụ na ntọala nke hydrogen atọm. Mgbe nchupu nke ije ike-enwupụta, ofu ngwaọrụ.

MRI achọpụta ọrịa Usoro ọrụ dabere na magnetik phenomena nke resonance. Ụkpụrụ nke ime ihe nke na-achọpụta ọrịa ngwá na bụ na mgbanwe nke redio ke ndise. A redio mgbaàmà enwetara site na-agbanwe magnetik resonance spectrometer.

N'ihi na Njirimara nke hydrogen atọm, ọdịnaya nke nke na ahụ mmadụ esịmde iri percent nke ndị dị otú nchoputa bụ na o kwere omume na-enweghị nwetụrụ mmebi ahụ ike.

Ugbua na-njikere image, dọkịta ọkachamara nke kwekọrọ ekwekọ profaịlụ nke dapụtara image na-atụle, jiri ya tụnyere ihe norm na ịchọpụta enweghị nchịkwa mgbanwe.

usoro History

Onu nke nuclear magnetik resonance chọpụtara na kọwara ihe na n'etiti iri na abụọ na narị afọ - ke 1946. Na maka oge mbụ iji nweta ihe oyiyi na-enyemaka nke a technology ya ịga nke ọma 1973.

Olee otú bụ nnyocha e mere

Hibere, na ngwa maka magnetik resonance Onyonyo anya dị nnọọ ogologo warara tube.

Mgbe enịm n'ime a ndidi ọmụmụ owuwu eji a pụrụ iche n'ihe ndina ya.

Ebe ọ bụ na oge nke ọnụnọ nke onye ọrịa na unit bụ ezi elu - ruo iri anọ nkeji, na ụfọdụ n'oké ikpe - ọbụna ihe ọnọdụ maka na ọnụnọ nke onye ọrịa na "tube" ga-adị ka ala dị ka o kwere. Inside ngwaọrụ na-akwado site na bịara ikiri ìhè na ventilashion, iji hụ na a jụụ ume. Ọ bụ amanyere bụ iwu na unit ga-nkwurịta okwu na ọrụ button na-eduzi a nnyocha e mere.

ọzụzụ

• MRI usoro ekwesịghị rụrụ a full afo.
• Tupu usoro, onye ọrịa nnyocha e mere ga-ewepụ ihe niile metal akpọkwa (ese, ọla, hairpins, eze).

N'oge usoro, onye ọrịa nwere na-edina ka ka na dị ka o kwere ka ndị nnyocha e mere image a kpụrụ; na otú ọ ga-ghọtakwuo, ihe ezi nchoputa na mma uche. Ya mere, na otu ebe e nwere mkpa na-ebu tomographic amụ a obere nwa ya na ya na nyocha na ọkachamara na-amanye ebe nne ya.

nnyocha e mere na-arụpụta

MRI Doppler - a usoro nke ihe oyiyi, nke bụ layered oyiyi nke esịtidem akụkụ.

N'ihi tomographic ọmụmụ dị njikere, na-emekarị n'ime awa ole na ole mgbe ndị na-achọpụta ọrịa usoro.

Onye ọrịa na-enweta n'aka ndị a biri ebi picture nke ihe MRI, nke na-egosipụta ihe ndị bụ isi, isi ihe oyiyi, na-etolite a ọkachamara na uche.

N'ihi na mma, na ọtụtụ mgbe, onye ọrịa na-nyere aka dị ka na ihe niile mbanye, na-enweghị isịneke, na ihe oyiyi nwetara n'oge na usoro. Nke a nuance dị ezigbo mkpa na otu ebe onye ọrịa bụ na-eme n'ọdịnihu ga-adịrị nyopụta ndị natara data na nchoputa nke ọzọ ọkachamara.

Egosi maka Onyonyo

Nke a na Usoro na-enyere aka a elu ogo ziri ezi na iji anya nke uche na ọnọdụ na Ọdịdị:

• ụbụrụ na ọgidigi azụ;
• spain na nkwonkwo;
• intervertebral discs;
• obi na n'afọ;
• obi usoro.

Ọ na-eji maka nchoputa nke enweghị nchịkwa mgbanwe ndị a na akụkụ na usoro.

The egosi nwekwara ọnọdụ mgbe nchoputa nke traumatic unan ezughị ọmụma nyere site X-ray.

MRI dị oké mkpa mgbe mgbe e nwere enyo nke bughi daa ọrịa nke anụ ahụ ma ọ bụ akụkụ.

The peculiarity nke usoro mejupụtara na a Usoro budata ọzọ irè adụ anụ ahụ na-amụ.

Ọ bụghị nyochaworo iji Onyonyo:

• Ọkpụkpụ anụ ahụ.
• akpa ume anụ ahụ.
• Afo na akụkụ nile nke eriri afọ.

Contraindications na-agaghị emeli

The usoro nke magnetik resonance Onyonyo bụ nchebe na afọ nwere dịghị contraindications. Otú ọ dị, a ọnụ ọgụgụ nke contraindications ka idi:

• Nyere specificity nke a na-achọpụta ọrịa usoro, ọ na-contraindicated maka ọrịa na-enwe a aru nke ọ bụla dara inclusions ihe atụ, implants (e.g. na cranial oghere) na m. P.
• Ọ na-contraindicated maka MRI bụ ọnụnọ nke a pacemaker ndidi.
• Na oke-elekọta kwesịrị inyocha ọrịa na prostheses; dị ka nkwonkwo prostheses
• Ịrịba ike nke na-emezu magnetik resonance Onyonyo na ọrịa na Akwụkwụ na-adọ na ọrịa ndị ọzọ, n'ihi na nke-ahụkarị ji nke ọnwụ nke nsụhọ.
• Bụ isi ike mgbe ụfọdụ, ndị dị otú ahụ a mma ka ibu.

The otu ikwu contraindications ndị na-esonụ mgbe:

• Ndị mbụ nkebi nke di ime.
• Decompensated obi odida ogbo.
• Ọnụnọ nke vaskụla prostheses ma ọ bụ obi valves.
• Ọnụnọ nke tattoos na metal pigments.

Diagnosis nke ụbụrụ daa ọrịa

Mgbe ọ na-abịa na-achọpụta ọrịa nnyocha nke ụbụrụ magnetik resonance Onyonyo (MRI) bụ nke kasị ọmụma nyochaa ele.

N'eziokwu, MRI enyocha kwa nke ụbụrụ - a foto nke ya n'ígwé.

Ya mere, ekele a na-achọpụta ọrịa usoro na-ekwe, ọtụtụ nkọwa zuru ezu na-amụ ụbụrụ umi na njirimara nke abnormalities na mbụ nkebi.

MRI ụbụrụ-enyocha kwa ka a mere na ndị na-esonụ mgbe:

1. Nnukwu ischemic ọrịa strok.
2. Siri ike traumatic mmerụ ahụ n'ụbụrụ. Mgbe a na-akpasasị uche mmerụ ahụ n'ụbụrụ iji zere mgbaji ọkpụkpụ nke okpokoro isi ọkpụkpụ a na-anabata ime ihe X-ray nke isi. MRI, Otú ọ dị, na-enye ohere ka iji anya nke uche bụghị naanị okpokoro isi, ma ala nke intracranial owuwu.
3. Ịrịba ama nke intracranial ọbara mgbali. Ke idaha emi, njirimara nke isịneke ma ọ bụ intracranial olu ukwu ikwado guzobere layered foto. MRI nke ụbụrụ na hypertensive syndrome inye iji gosi diagnoses dị ka intracranial hematoma, intracranial akpụ, ụbụrụ etuto.
4. Anomalies nke ụbụrụ arịa.
5. Ọnọdụ nlekota mgbe neurosurgical n'ịwa ahụ.
6. MRI enyere zuru ezu picture na ịtọ na ọnọdụ na (na megharịa ọnwụnwa) na Ọnọdụ nke neuromas na cystic formations.

Diagnosis nke ọkpụkpụ azụ daa ọrịa

Magnetik resonance Onyonyo bụ a oké ụzọ ịchọpụta enweghị nchịkwa ọnọdụ nke spain.

N'ihi ga-abụ a zuru ezu na-achọpụta ọrịa usoro stratified picture.

MRI nke thoracic spain na e kenyere ndị na-esonụ na-egosi:

• Pain syndrome-amaghị ama etiology na obi ebe - zere guzobere isi cancer ma ọ bụ metastatic lesion.
• Akwara ozi mgbaàmà, ikwe ka ọnụnọ nke intervertebral hainia.
• The usoro na ọdabara ma tupu ịwa ahụ na mgbe ọ na - aka ịchịkwa Ọnọdụ nke mgbake Filiks.
• Injury na a-enyo enyo na mgbaji ọkpụkpụ nke obi - iji zere ọkpụkpụ mebiri. Ebe ọ bụ na tomography enye a zuru ezu ịdọ ndị image, ọ bụ ihe na-enye aka na ọnọdụ ndị a karịa ndị X-ray.

MRI nke lumbar nwere achọpụta ọrịa uru ndị na-esonụ mgbe:

• Mkpesa nke mgbu na lumbosacral region, enweghị irè nke X-ray ọmụmụ.
• Mgbe unan ebe a - iji zere ọkpụkpụ na traumatic unan.
• Mgbe a chọpụtara na fractures nke ọkpụkpụ azụ, gbagwojuru anya site Ndahie nke ọkpụkpụ iberibe - dokwuo anya ruo n'ókè nke Ndahie, zere mmebi nke intervertebral cartilage, meninges na ọgidigi azụ.
• N'ihi na esi nchoputa nke degenerative mgbanwe nke ọkpụkpụ azụ na vertebrae dị ka a n'ihi nke mbibi nke metastatic ọnya.
• Akwara ozi mgbaàmà na-egosi iyatesịt ma ọ bụ mkpakọ nke akwara mgbọrọgwụ mkpakọ na-akpata na-kpọmkwem; na nke a, maka nchoputa nke vertebral Ndahie, na bụ iji mee ka onye na X-ray. MRI nke ọkpụkpụ azụ dị mkpa na-ebu mata daa ọrịa nke nerentgenokontrastnyh anụ ahụ (displacement nke intervertebral diski, herniated diski, mkpali edema, compressing akwara mgbọrọgwụ akpụ na-eme ka mkpakọ).