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Virtual Colonoscopy Q&A | Dr. Karen Horton
Video: Virtual Colonoscopy Q&A | Dr. Karen Horton

Virtual colonoscopy (VC) ke teko ea ho nka litšoantšo kapa x-ray e batlang mofets'e, li-polyps kapa mafu a mang mala a maholo (colon). Lebitso la bongaka la teko ena ke CT colonology.

VC e fapane le colonoscopy e tloaelehileng. Colonoscopy ea kamehla e sebelisa sesebelisoa se selelele, se bonesitsoeng se bitsoang colonoscope se kentsoeng ka maleng le ka maleng a maholo.

VC e etsoa lefapheng la radiology la sepetlele kapa setsi sa bongaka. Ha ho hlokahale litlhare 'me ha ho sebelisoe colonoscope.

Tlhahlobo e etsoa ka tsela e latelang:

  • U robala ka lehlakoreng la hao le letšehali tafoleng e tšesaane e hokahantsoeng le mochini oa MRI kapa oa CT.
  • Mangole a hau a shebane le sefuba sa hau.
  • Phala e nyane e tenyetsehang e kenngoa kahare. Moea o pompeloa ka har'a tube ho etsa hore kolone e be kholo le ho ba bonolo ho e bona.
  • Joale u robala ka mokokotlo.
  • Tafole e kenella ka har'a kotopo e kholo mochini oa CT kapa oa MRI. Li-ray tsa colon ea hau lia nkuoa.
  • X-ray le eona e nkuoa ha o robala ka mpeng.
  • U tlameha ho lula u khutsitse nakong ea ts'ebetso ena, hobane motsamao o ka fifatsa x-ray. U ka kopuoa ho phefumoloha ha nakoana ha x-ray e nkuoa.

Khomphutha e kopanya litšoantšo tsohle ho etsa litšoantšo tsa mahlakore a mararo tsa kolone. Ngaka e ka sheba litšoantšo ho shebella video.


Mala a hau a hloka ho hloka letho ka botlalo mme a hloekile bakeng sa tlhahlobo. Bothata ka maleng a hao a maholo bo hlokang ho phekoloa bo ka hloloheloa haeba mala a hau a sa hloekisoa.

Mofani oa hao oa tlhokomelo ea bophelo o tla u fa mehato ea ho hloekisa mala. Sena se bitsoa ho lokisetsa mala. Mehato e ka kenyelletsa:

  • Ho sebelisa enemas
  • Ho se je lijo tse tiileng matsatsi a 1 ho isa ho a 3 pele ho tlhahlobo
  • Ho noa litlolo tse tlatsetsang

U hloka ho noa lino tse ngata tse hlakileng matsatsi a 1 ho isa ho a 3 pele ho tlhahlobo. Mehlala ea lino tse hlakileng ke:

  • Tlosa kofi kapa tee
  • Bouillon kapa moro o se nang mafura
  • Gelatin
  • Lino tsa lipapali
  • Mero ea litholoana tse sa hlatsoang
  • Metsi

Tsoela pele ho noa meriana ea hau ntle le haeba ngaka eu joetsa ka tsela e ngoe.

U tla hloka ho botsa mofani oa hau haeba u hloka ho emisa ho noa lipilisi tsa tšepe kapa maro matsatsing a 'maloa pele ho tlhahlobo, ntle le haeba mofani oa hau au joetsa hore ho lokile ho tsoela pele. Iron e ka etsa hore setulo sa hau se fifale. Sena se thatafalletsa ngaka ho e bona kahare.


Lisebelisoa tsa CT le MRI li hlokolosi haholo ho litšepe. Se ke oa roala mabenyane ka letsatsi la tlhahlobo ea hau. O tla kopuoa ho chencha liaparo tsa seterateng mme o apare liaparo tsa sepetlele bakeng sa ts'ebetso.

Li-x-ray ha li utloise bohloko. Ho pompa moea ka har'a kolone ho ka baka bohloko ba khatello ea maikutlo kapa ba khase.

Kamora tlhahlobo:

  • U ka 'na ua ikutloa u koalehile' me u e-na le leqhubu le bobebe ka mpeng ebe u fetisa khase e ngata.
  • O lokela ho tseba ho khutlela mesebetsing ea hau e tloaelehileng.

VC e ka etsoa ka mabaka a latelang:

  • Ho latela kankere ea colon kapa li-polyps
  • Ho opeloa ke mpa, ho fetoha ha mala, kapa ho theola boima ba 'mele
  • Phokolo ea mali ka lebaka la tšepe e tlase
  • Mali ka setuloaneng kapa a batsho, litulo
  • Screen ea mofetše oa colon kapa rectum (e lokela ho etsoa lilemo tse ling le tse ling tse 5)

Ngaka ea hau e kanna ea batla ho etsa colonoscopy e tloaelehileng ho fapana le VC. Lebaka ke hore VC ha e lumelle ngaka ho tlosa mehlala ea lisele kapa li-polyps.

Ka linako tse ling, VC e etsoa haeba ngaka ea hau e sa khone ho tsamaisa tube e tenyetsehang ho pholletsa le kolone nakong ea colonoscopy e tloaelehileng.


Lintho tse tloaelehileng tse fumanoeng ke litšoantšo tsa mala a phetseng hantle a mala.

Liphetho tse sa tloaelehang tsa liteko li ka bolela tse ling tsa tse latelang:

  • Kankere e hlakileng
  • Mekotla e sa tloaelehang ea lera la mala, e bitsoang diverticulosis
  • Colitis (mala a ruruhileng le a ruruhileng) ka lebaka la lefu la Crohn's, ulcerative colitis, tšoaetso, kapa khaello ea phallo ea mali
  • Ho tsoa mali ka mpeng (GI)
  • Li-polyps
  • Hlahala

Colonoscopy ea kamehla e ka etsoa (ka letsatsi le fapaneng) kamora VC haeba:

  • Ha ho na lebaka la ho tsoa mali kapa matšoao a mang a fumanoeng.VC e ka hloloheloa mathata a manyane ka har'a colon.
  • Mathata a hlokang biopsy a bonoe ho VC.

Likotsi tsa VC li kenyelletsa:

  • Ho hlahisa mahlaseli a tsoang ho CT scan
  • Ho nyekeloa ke pelo, ho hlatsa, ho ruruha, kapa ho teneha ka nko ho tsoa merianeng e sebelisetsoang ho itokisetsa tlhahlobo
  • Ho phethoha ha mala ha pompo ea ho pompa moea e kenngoa (ho na le monyetla o fetelletseng).

Phapang lipakeng tsa colonoscopy e tloaelehileng le e tloaelehileng e kenyelletsa:

  • VC e ka sheba colon ka mahlakore a fapaneng a fapaneng. Hona ha ho bonolo joalo ka colonoscopy e tloaelehileng.
  • VC ha e hloke sedation. U ka khutlela mesebetsing ea hau e tloaelehileng hang hang kamora tlhahlobo. Kamehla colonoscopy e sebelisa sedation mme hangata ho lahleheloa ke letsatsi la mosebetsi.
  • VC e sebelisang li-scanner tsa CT e u pepesetsa mahlaseli a kotsi.
  • Kamehla colonoscopy e na le kotsi e nyane ea ho phatloha ha mala (ho baka keleli e nyane). Ha ho na kotsi e joalo e tsoang ho VC.
  • VC hangata ha e khone ho bona li-polyp tse nyane ho feta 10 mm. Kamehla colonoscopy e khona ho bona li-polyps tsa boholo bohle.

Colonoscopy - ho ka thoeng; CT bokolone; K'homphieutha ea tomographic e hlophisitsoeng; Colography - e hlakileng

  • CT scan
  • MRI e hlahloba

Itzkowitz SH, Potack J. Colonic polyps le polyposis syndromes. Ka: Feldman M, Friedman LS, Brandt LJ, bahlophisi. Sleisenger le Fordtran's Mafu a ka Mpeng le a Sebete: Pathophysiology / Diagnosis / Management. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016: khaolo ea 126.

Moahloli Kim, Pickhardt PJ. K'homphieutha ea compression ea tomography. Ka: Gore RM, Levine MS, eds. Buka ea sengoloa ea Radiology ea ka mpeng. La 4 ed. Philadelphia, PA: Elsevier Saunders; 2015: khaolo ea 53.

Lawler M, Johnston B, Van Schaeybroeck S, le al. Kankere e hlakileng. Ka: Niederhuber JE, Armitage JO, Kastan MB, Doroshow JH, Tepper JE, bahlophisi. Abeloff's Clinical Oncology. La 6th. Philadelphia, PA: Elsevier; 2020: khaolo ea 74.

Lin JS, Piper MA, Palo ea LA, et al. Ho hlahloba kankere e khanyang: tlaleho ea bopaki bo ntlafalitsoeng le tlhahlobo e hlophisitsoeng bakeng sa Sesole sa Ts'ireletso ea US. JAMA. 2016; 315 (23): 2576-2594. PMID: 27305422 www.ncbi.nlm.nih.gov/pubmed/27305422.

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