Bone Marrow Biopsy Needles: Hom, Siv

Aug 22, 2026

 

I. Lub Hom Phiaj

Diagnostic lub hom phiaj: Pab kev kuaj mob los ntawm kev tshuaj xyuas cov pob txha pob txha cellular hyperplasia, cellular composition thiab morphological hloov, ua cytogenetic (chromosome) testing, molecular biological (gene) kuaj, hematopoietic stem-cell kab lis kev cai, raws li zoo raws li parasitic thiab bacteriological kuaj.

Kho lub hom phiaj: Ntsuam xyuas cov lus teb thiab kev soj ntsuam. Nws tseem tuaj yeem sau cov pob txha rau pob txha pob txha.

II. Cov lus qhia

Kev kuaj mob ntawm ntau yam kab mob hematological; Kev kuaj xyuas cov pob txha pob txha los yog metastasis tshwm sim los ntawm cov kab mob neoplastic.

Unexplained hepatomegaly, splenomegaly, lymphadenopathy, thiab kub taub hau tsis paub keeb kwm.

Qee yam kab mob sib kis los yog kab mob cab uas yuav tsum tau siv cov kab mob hauv cov pob txha kab mob los yog smear rau kev kuaj kab mob, xws li kab mob pob txha rauSalmonella typhi, detection ntawmPlasmodiumthiab Leishman-Donovan lub cev ntawm cov pob txha pob txha smears.

Kev kuaj mob ntawm qee yam kab mob metabolic, xws li kab mob Gaucher, uas nws qhov kev kuaj pom tseeb yog nyob ntawm kev txheeb xyuas cov hlwb Gaucher hauv cov qauv pob txha.

Kev soj ntsuam ntawm kev kho cov lus teb thiab kev kwv yees hauv cov kab mob hematological thiab lwm yam kab mob cuam tshuam nrog cov pob txha pob txha infiltration.

Cov pob txha pob txha sau rau pob txha pob txha.

III. Contraindications

Hemophilia thiab mob hnyav coagulation. Yog tias kev kuaj mob pob txha tsis yog ib qho kev kuaj mob nkaus xwb, cov txheej txheem yuav tsum tau zam kom tsis txhob muaj qhov mob hnyav hauv zos.Nco tseg: thrombocytopenia ib leeg tsis yog ib qho contraindication rau pob txha pob txha.

Cov kab mob ntawm daim tawv nqaij hauv zos tshaj qhov chaw puncture.

IV. Kev npaj ua ntej

1. Kev Npaj Tus Neeg Mob

(1) Ua kev kuaj coagulation-function nyob rau hauv cov neeg mob uas xav tias coagulopathy los ntsuas cov txheej txheem tsim nyog. (2) Piav lub hom phiaj, cov txheej txheem txheej txheem, tej zaum yuav tsis xis nyob thiab ceev faj rau tus neeg mob lossis tus neeg sawv cev raug cai. (3) Qhia tus neeg mob txog kev koom tes thaum lub sijhawm ua haujlwm: qhia qhov mob lossis tsis xis nyob tam sim; khaws qhov chaw puncture kom huv si thiab tsis txhob raug dej rau 3 hnub tom qab qhov txheej txheem. (4) Tau txais daim ntawv tso cai los ntawm tus neeg mob lossis tus neeg hauv tsev neeg. Kev sib txuas lus ua ntej txheej txheem thiab cov ntaub ntawv qhia kev pom zoo yog qhov yuav tsum tau ua.

2. Kev npaj khoom siv

(1) Cov txheej txheem trolley muaj: ① Cov pob txha pob txha pob txha:Bone Marrow Biopsy Koob, sterile tais, forceps, qhov-towel, gauze swabs thiab paj rwb pob. ② Cov tshuaj tua kab mob: 2.5% tincture ntawm iodine, 75% ethanol, 0.5% povidone-iodine. ③ tshuaj loog hauv zos: 2% lidocaine (5 mL). (2) Cov khoom siv ntxiv: cov koob txhaj tshuaj pov tseg, cov hnab looj tes tsis muaj menyuam, iav slides, cov slideer slides, cov hlab ntim tshuaj tiv thaiv coagulant.

3. Kev npaj ua haujlwm

(1) Txheeb xyuas tus neeg mob tus kheej. (2) Master txheej txheem kev paub; tshuaj xyuas cov neeg mob keeb kwm thiab qhia txog kev sib tsoo. (3) Tso tus neeg mob kom tsim nyog; txheeb xyuas thiab cim qhov chaw puncture. (4) Ua kom huv si; tsis pub lub kaus mom, daim npog qhov ncauj thiab hnab looj tes tsis muaj menyuam. (5) Ua kom muaj peev xwm ua tau zoo, tsim cov pob txha pob txha smears raws li lub hom phiaj kho mob.

V. Cov txheej txheem ua haujlwm

1. Tus neeg mob Positioning

Qhov chaw nyob ntawm qhov chaw xaiv qhov chaw: (1) Prone los yog lateral decubitus: rau posterior superior iliac qaum. (2) Supine: rau anterior superior iliac qaum thiab sternum. (3) Zaum lossis lateral decubitus: rau lumbar spinous txheej txheem.

2. Xaiv qhov chaw Puncture

(1) Posterior superior iliac qaum: ib puag ncig pob txha prominence kwv yees li 3 cm lateral mus rau qib L5-S1. Qhov no yog qhov chaw siv ntau tshaj plaws rau nws txoj kev vam meej thiab kev nyab xeeb; Nws yog qhov zoo dua rau cov pob txha pob txha loj loj rau kev cog qoob loo. (2)Sab saum toj superior iliac qaum: tiaj tus pob txha nto 1-2 cm distal rau anterior superior iliac qaum. Ib qho yooj yim stabilization thiab kev nyab xeeb nkag mus, tsis tau txo cov pob txha-pob txha cellularity thiab me ntsis kev ua tau zoo npaum li cas piv nrog cov posterior superior iliac qaum. (3)Sternal site: midline ntawm lub cev sternal ntawm 2nd intercostal qhov chaw. nplua nuj nyob rau hauv cov pob txha pob txha; qhia thaum lwm qhov chaw muab cov qauv tsis kuaj mob. Sternal puncture yog xav tau rau kev ntsuam xyuas ntawm aplastic anemia. (4)Txoj kev lumbar spinous: prominence ntawm lumbar spinous txheej txheem. Zoo cellular yield tab sis technically demanding thiab infrequently siv. Zam qhov chaw uas muaj kab mob ntawm daim tawv nqaij. Kos qhov chaw puncture xaiv.

3. Kev tua kab mob ntawm daim tawv nqaij thiab draping

(1) Don sterile gloves. Place cotton balls into two sterile cups for 2.5 % tincture of iodine and 75 % ethanol respectively. (2) Centered on the marked site, apply 2.5 % tincture of iodine over a diameter >15 cm. Cia 1 feeb kom qhuav, ua raws li ob lub voj voog ntawm 75% tshuaj tua kab mob ethanol siv tib lub vojvoog. (3) Siv cov phuam da dej tsis muaj menyuam nrog nws qhov qhib nruab nrab ntawm qhov chaw sib tsoo. Ruaj ntseg nrog daim kab xev nplaum rau zaum lossis lateral-decubitus txoj haujlwm.

4. Tshuaj loog hauv zos

(1) Aspirate kwv yees li 5 mL ntawm 2% lidocaine nrog 5-mL syringe. (2) Ncua ib lub wheal subcutaneous ntawm qhov chaw puncture. Ua ntej lub syringe vertically. (3) Aspirate intermittently; txhaj tshuaj loog hauv zos tsuas yog tias tsis muaj ntshav aspirated. Infiltrate sequentially los ntawm cov ntaub so ntswg mus rau periosteum. Sau qhov tob ntawm rab koob nkag. Ua ntau lub ntsiab lus periosteal tshuaj loog rau tshuaj loog ib cheeb tsam es tsis yog ib qho taw tes, txo qhov mob los ntawm misalignment ntawm puncture thiab anesthetic site.

5. Txhaum

(1) Koob qhov tob hloov kho rauBone Marrow Biopsy Koob: Sib piv qhov tob nrog cov tshuaj loog syringe. Kho qhov hloov kho ntawm lub pob txha pob txha pob txha koob mus rau 0.5-1 cm tob dua li qhov tob mus txog thaum lub sij hawm tshuaj loog periosteal. Teem kwv yees li 1 cm los ntawm rab koob rau sternal thiab spinous-txoj kev puncture; teem caij kwv yees li 1.5 cm rau anterior thiab posterior superior iliac txha nraub qaum. (2) Puncture txheej txheem: - Rau anterior thiab posterior superior iliac qaum: stabilize qhov chaw nrog ntiv tes xoo thiab ntiv tes. Tuav lubBone Marrow Biopsy Koobperpendicular rau pob txha nto. Tig maj mam raws lub axis ntev thaum nce mus. Kev txo qis tam sim ntawd qhia tias nkag mus rau hauv medullary kab noj hniav. Ua ntej kwv yees li 1 cm dhau los ntawm periosteum. Tsis txhob txav mus rau sab nraud ntau dhau lossis ua kom muaj zog. - Rau sternal puncture (kev pheej hmoo ntawm cov hlab ntsha loj thiab mob plawv): stabilize qhov chaw. Qhib lub bevel mus rau lub medullary kab noj hniav, lub kaum sab xis ntawm 70℃-80℃rau tus neeg mob lub taub hau. Tig maj mam thiab ua ntej 0.5-1 cm. Fixation nyob rau hauv cov pob txha, es tsis txawv "muab-txoj kev" kev xav, paub meej tias txoj hauj lwm raug. Kev ceev faj ntxiv rau cov neeg mob osteoporotic cov neeg laus thiab cov neeg mob ntau-myeloma. - Rau lumbar spinous-process puncture: stabilize qhov chaw. Ua ntej tusBone Marrow Biopsy Koobperpendicular rau pob txha nto nrog maj mam tig rau 0.5-1 cm. Fixation nyob rau hauv pob txha paub meej txoj hauj lwm; ib qho kev paub meej meej feem ntau tsis tuaj. (3) Aspiration: Tshem tawm cov stylet thiab tso rau hauv lub tais uas tsis muaj menyuam. Txuas lub syringe qhuav. Cov kua dej hauv pob txha rov qab lees paub qhov kev nkag tau zoo. Yog tias tsis muaj kua dej, rov tso cov stylet, tig los yog ua ntej me ntsis, ces rov ua dua. Ceeb toom rau tus neeg mob ntawm qhov mob tsis zoo thaum lub sij hawm aspiration.

6. Kev npaj smear

Tshem tawm cov syringe, rov tso cov stylet, thiab tshem cov pob txha pob txha mus rau cov iav slides tam sim ntawd kom tsis txhob txhaws. Ib tus neeg pabcuam siv cov swb swb los npaj smears sai. Daim ntawv lo nrog lub npe, hnub nyoog, poj niam txiv neej thiab tus lej kho mob. Rau cov kab mob hypercellular npaj thinner smears; rau hypocellular marrow npaj thicker smears. Tsim nyog smears yuav tsum qhia lub taub hau, lub cev thiab tus Tsov tus tw cheeb tsam.

7. Kev tshem tawm koob thiab kho qhov txhab

(1) Tshem tawmBone Marrow Biopsy Koobnrog stylet nyob rau hauv qhov chaw. (2) Disinfect daim tawv nqaij. Siv cov ntaub qhwv tsis muaj menyuam thiab tuav cov ntaub ntawv compression rau 1-3 min; ruaj ntseg nrog daim kab xev nplaum. (3) Qhia tus neeg mob kom qhov chaw qhuav thiab huv si rau 3 hnub.

VI. Teeb meem thiab kev tswj xyuas

Perforation ntawm posterior sternal cortex nrog kev raug mob rau lub plawv los yog cov hlab ntsha loj: lub neej hem, tshwm sim los ntawm kev quab yuam ntau dhau los yog over-nto thaum lub sij hawm sternal puncture. nruj me ntsis txwv koob-stopper txoj hauj lwm rau 1 cm rau sternal nkag; nce mus qeeb nrog maj mam tig. Siv lub zog pib tsawg kawg nkaus hauv cov neeg mob osteoporotic thiab cov neeg mob uas muaj ntau yam myeloma.

tawg ntawmBone Marrow Biopsy Koobnyob rau hauv cov pob txha: feem ntau tshwm sim los ntawm kev siv ntau dhau tom qab koob nkag mus rau hauv cov pob txha los yog quab yuam kev nce qib ntawm cov pob txha tuab. Kev sab laj kev phais yuav tsum tau muaj yog tias rab koob tawg tshwm sim hauv pob txha.

Cov txheej txheem rau kev ua tiav pob txha-Marrow Puncture

Transient sharp mob ntawm pob txha pob txha aspiration.

Yellowish-white pob txha-marrow particles pom nyob rau hauv cov ntaub ntawv aspirated.

Kev txheeb xyuas cov pob txha-cov hlwb tshwj xeeb xws li megakaryocytes, plasma cells thiab cov hlwb reticular ntawm smears.

Cov ntaub ntawv txheej txheem no suav nrog kev ua haujlwm kho mob nyuaj nrog cov cuab yeej tshwj xeeb uas yuav tsum tau ua. Hom kev ua haujlwm txhawb nqa kev txhim kho cov qauv kev txheeb xyuas thiab cov ntaub ntawv sib sau ua ke rau cov ntaub ntawv kho mob zoo li no. Koj puas xav siv nws?

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