Kanana ea medullary

Kanana ea medullary

Lesapo la mokokotlo ke mokoti o koalletseng lesapo la mokokotlo pelong ea lesapo la mokokotlo. E ka ba sebaka sa liso tsa mefuta e fapaneng, e bakang khatello ea mokokotlo e bakang bohloko, mathata a likoloi le a kutlo.

Anatomy

Mehala ea medulla, eo hape e bitsoang "medullary cavity", ke lesapo la mokokotlo le nang le lesapo la mokokotlo.

E le khopotso, lesapo la mokokotlo, kapa lesapo la mokokotlo, ke karolo ea tsamaiso ea methapo e bohareng. Katoloso ea boko, khoele ena e ka bang lisenthimithara tse mashome a mane e lumella phetiso ea tlhahisoleseling lipakeng tsa boko le 'mele, ka methapo ea mokokotlo e hlahang ho eona ka masoba a mateano.

physiology

Mehala ea medulla e koala le ho sireletsa lesapo la mokokotlo.

Lintho tse sa tloaelehang / Matšoao

Khatello ea lesapo la mokokotlo

Re bua ka khatello ea lesapo la mokokotlo ha lesapo la mokokotlo le methapo e arohaneng le lona li hatelloa ke kotsi. Khatello ena e baka bohloko ka morao, mahlaseli le maemong a tebileng ka ho fetisisa a mathata a motlakase, a kutlo le a sphincter.

The leqeba bakang compression ka fumaneha ka ntle ho lesapo la mokokotlo (extramedullary lesion) kapa ka hare (intramedullary lesion) 'me e be, ho itšetlehile ka tlhaho ea eona, a hlobaetsang kapa a sa foleng. E ka ba:

  • diski ea herniated 
  • hematoma ea subdural kapa epidural ka mor'a ts'oaetso e lebisitseng ho lemala ha ligament kapa lesapo, ho phunya lesapo, ho nka anticoagulant.
  • ho robeha, ho hatelloa ha lesapo la mokokotlo le likaroloana tsa lesapo, ho putlama ha lesapo la mokokotlo kapa ho putlama
  • hlahala (haholo-holo metastatic extramedullary tumor)
  • lefu la meningioma, neuroma
  • lesoba
  • khatello ea masapo ka lebaka la osteoarthritis
  • bokooa ba arteriovenous
  • cervicarthrosis myelopathy

Lefu la Cauda Equina

Sebaka sa lesapo la mokokotlo le boemong ba vertebrae ea ho qetela ea lumbar le sacrum, eo ho eona ho hlahang metso e mengata ea methapo e hokahantsoeng le maoto le matsoho a tlase, e bitsoa ponytail.

Ha khatello ea mokokotlo oa mokokotlo e lutse boemong ba ponytail ena, hangata ka lebaka la disk ea herniated, e ka lebisa ho lefu la cauda equina. Sena se bontšoa ke bohloko bo ka tlase ba mokokotlo, bohloko sebakeng sa perineum le maotong a ka tlaase, ho lahleheloa ke maikutlo, ho holofala ha karolo le mathata a sphincter. Ena ke tšohanyetso ea bongaka. 

Medullary infarction

Hangata, leqeba le hlahang qalong ea lesapo la mokokotlo le fokotsa sekhahla sa methapo ea mali, ebe le lebisa ho infarction ea medullary.

Litlhare

Phekolo

Ho buuoa ke mokhoa o tloaelehileng oa phekolo bakeng sa khatello ea lesapo la mokokotlo. Ho kenella, ho bitsoang laminectomy, ho kenyelletsa ho tlosa karolo e ka morao ea vertebra (kapa lehare) haufi le leqeba, ebe o e tlosa e le ho senya moko le metso ea oona. Ho kenella hona ho boetse ho etsa hore ho khonehe ho hlahloba leqeba.

Tabeng ea lefu la cauda equina, opereishene ena ea decompression e tlameha ho etsahala ka potlako e le ho qoba koloi e tebileng, ea kutlo, ea sphincter le sequelae ea thobalano.

Haeba leqeba le bakang khatello ea lesapo la mokokotlo ke hematoma kapa abscess, tsena li tla ntšoa ka ho buuoa.

Radiotherapy

Tabeng ea hlahala ea kankere, ka linako tse ling radiotherapy e kopanngoa le ho buuoa.

Diagnostic

Tlhahlobo ea kliniki

Ha u tobane le motor, sensory, sphincter kapa bohloko ba morao bo hlahang ka tšohanyetso, ke habohlokoa ho buisana ntle le tieho. Ngaka e tla qala ho etsa tlhahlobo ea kliniki ho tataisa tlhahlobo e thehiloeng matšoao le palpation ea lesapo la mokokotlo.

MRI

MRI ke tekanyo ea khauta bakeng sa lesapo la mokokotlo. E etsa hore ho khonehe ho fumana sebaka sa khatello ea lesapo la mokokotlo le ho lebisa tlhokomelo ea ho hlahlojoa ha pele mabapi le mofuta oa leqeba. Ho latela sesupo sa tlhahlobo, ente ea Gadolinium e ka etsoa.

CT myelography

Ha MRI e sa khonehe, CT kapa CT myelography e ka etsoa. Tlhahlobo ena e kenyelletsa ho kenya sehlahisoa sa opacifying ka har'a kanale ea mokokotlo e le hore u bone ka mahlo a methapo ea mokokotlo ho x-rays.

X-ray ea mokokotlo

Haeba ho belaelloa hore ho na le lesapo la masapo, X-ray ea mokokotlo e ka nkoa ho phaella ho MRI.

Medullary arteriography

Maemong a mang, arteriography e ka etsoa ho batla leqeba le ka bang teng la vascular. E na le ente, tlas'a anesthesia ea sebakeng seo, sehlahisoa se fapaneng ebe se nka letoto la litšoantšo nakong ea mekhahlelo ea ho potoloha ha methapo le methapo ea sehlahisoa sena.

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