MCV (baaritaan dhiig): qoraalka. MCV: caadi

Tirinta tirada unugyada erythrocyte si loo ogaado in ay mugga celcelis ahaan ama falanqaynta dhiig lala waxbarashada kale waxaa loo isticmaalaa cudurka kala duwan ee noocyada kala duwan ee dhiig iyo xaaladaha kale ee bahal ah.

Waa maxay unugyada dhiigga cas

Sida laga soo xigtay dabeecadaha erythrocytes (unugyada dhiigga cas), kaas oo heer sare ah waa gaar ah unugyada non-nuclear, qaabka biconcave dhiig, waxaa suurto gal ah inuu xukumo gobolka ee caafimaadka qofka. unugyada erythrocyte ku qoran Midabka neefsashada - bir-ka kooban ee unugga protein. Ugu weyn ee shaqada unugyada dhiigga cas qaado oxygen, taas oo muhiim u ah hawlaha oo dhan xubnaha jirka. Inta lagu guda jiro formation of unugyadan u dhiganta dhuuxa lafta cas. Nidaamkan waxaa ay dhiiri-erythropoietin, kaasoo lagu soo saaro unugyada waaweyn kelyaha mugga hoos jira xaalad hypoxic.

Avv hemoglobin Normal iyo formation of unugyada dhiigga cas ayaa suuragal ah keliya in joogitaanka cyanocobalamin, iyo folic acid iyo sidoo kale sahayda ku filan oo udhigo bir ah. In erythrocytes ee wareegga systemic jiraan ilaa 4 bilood. Markaas waxaa waa u baabba 'unugyada dhiigga, meel ay nabaad waa caajisnimo iyo nidaamka reticuloendothelial.

Maxay ka dhigan tahay MCV?

MCV index erythrocyte waa index ah in lagu tilmaamay qiimaha mugga celceliska unugyada dhiigga cas. Si uu u adkeeyo ogaanshaha sax ah cudurka bukaanka, dhakhaatiirta had iyo jeer qoraan count dhiigga. Deciphering MCV sheegay in unugyada dhiiga in xaaladda jirka aadanaha. In dadka caafimaadka qaba, ratio ee unugyada dhiigga cas si total mugga dhiigga waa joogto ah, oo sidaas daraaddeed, oo ay size iyo tirada waa in aan la bedelay.

On horumarinta xasaasiyad, caabuq, la'aanta fitamiinada iyo walxaha macdanta laga heli karaa maraya ah MCV-falanqaynta dhiigga. Deciphering natiijada muujinaya aan caadi ahayn, caddeyn dalalka bahal suurto gal.

index Tani waxaa lagu qeexaa sida in falanqaynta guud ee caafimaad ee dhiigga iyo in waxbarasho gaar ah.

Sida loo xisaabiyo MCV ah

Si loo xisaabiyo mugga celceliska unugyada dhiigga cas loo baahan yahay si ay u qaybsadaan lacagta ee mugga gacanta by tirada guud ee unugyada dhiigga erythrocyte. Hab kale oo xisaabinta hiimotokiriit ku salaysan tirada qeybinta ama index 1 mm ³ of dhiig by tirada unugyada dhiigga cas. Under saamiga boqolkiiba hiimotokiriit celceliska dhexeeya muga ee unugyada dhiigga iyo guud ahaan mugga dhiigga.

On MCV falanqaynta dhiig, kelmadaha ah oo ku xiran yahay qiimaynta of size ee unugyada dhiigga cas, waxaa loo arkaa yar sax ahayn kale laba hab oo ah xisaabinta. Tan waxa u sabab xaqiiqda ah in marka dhexroor unugyada erythrocyte on 5% ah ee ay mugga la bedelo by 15%. Isku hallaynta ah tilmaamahan loo khaldan markii tiro badan oo ah unugyada dhiigga cas in ay is badaleen qaab. Tusaale ahaan, haddii aad qabtaan dhamaystiran count dhiig, qiimaha MCV waa caadi haddii bukaanka ah waxaa laga helaa labada macro- iyo microcytosis.

Waa in la dhasha maskaxda ku haysaa in microspherocytes dhexroor guud ahaan qiimo tiro, laakiin heerka la mid ah mugga celcelis ahaan waa kala duwan caadiga ah, taas oo ah sababta had iyo jeer waxaa lagu talinayaa microscopy smear oo dhiig ah laga qaado.

unit of cabiraada

unit ee cabbirka celceliska mugga corpuscular (MCV) femtolitry qaaday (fl) ama micrometers cubic (microns ^3).

Waa maxay macnaha falanqaynta?

Iyada oo dhimaya Dhiiggan ogaado noocyada kala duwan ee anemia baahan daaweyn khaas ah.

Natiijooyinka MCV falanqaynta dhiig ogolaanaya in la kala saaro:

• anemia microcytic, birta iyo udhigo thalassaemia markii Avv of silsilad polypeptide la dhimay, qayb ka mid ah qaab-dhismeedka hemoglobin;
• anemia normocytic normochromic ama taasoo horumarisa ee cudurada raaga, lafta hoose dhuuxa failure, ay sabab u tahay wax soo saarka hoos u erythropoietin;
• anemia macrocytic la deficiency ah folic acid iyo cyanocobalamin markii kordhay size erythrocyte.

Waayo, gobol kasta wuxuu u baahan yahay daaweynta gaarka ah. Waayo, cudurka waa falanqaynta dhiig caafimaad oo aad u muhiim ah, kelmadaha MCV (macnaheedu mugga corpuscular) wuxuu kuu ogolaanayaa inaad xukumo gobolka ee unugyada dhiigga cas.

Haddii tilmaamahan uu qiimo caadi ah, unugyada dhiigga cas waxaa loo yaqaan normocytic. At natiijooyinka hoose index MCV unugyada dhiigga loo yaqaan microcytic, iyo qiyamka buunbuuniyo oo ay rumaysan macrocytic.

Go'aaminta xadgudubyada dheelitirka biyaha-elektrolytka ee jirka jidaynayey dhiig MCV-falanqaynta, kelmadaha waxqabadka taasoo muujinaysa isbedel ku dheelitirka cusbada. Haddii mugga celceliska unugyada dhiigga cas ka yar sida caadiga ah, waxaa suurtagal ah in ay ka hadlaan la'aanta ah ee dareeraha ee jirka aadanaha. Tusaale ahaan, in nooca fuuq hypertonic ah MCV in baaritaanka dhiigga hoos u. Haddii tilmaanta kor ku xusan iska caadi ah, ka dibna waxaan kala hadli kartaa hypotonic fuuqbaxa.

On falanqaynta MCV saamayn kara arrimo kala duwan. Yaraynta mugga erythrocyte celcelis ahaan waxay keeni kartaa hemolysis ama habka farsamo ee xeryahooda sunta rasaasta. dhiigga ee hooseysa MCV-falanqaynta, kelmadaha taasoo muujinaysa Khamriga bukaan-socodka iyo isticmaalka methanol sida walax sun ah, sidoo kale ma aha wax aan caadi ahayn.

Norma MCV

Celceliska tilmaame mugga corpuscular ku xiran tahay da'da qofka bukaanka ah, kan MCV baaritaan dhiig. Norm ee da 'kooxeedyada walba uu noqon doono mid gaar ah, oo waxaa la muujiyay in femtolitrah. Heerarka kala duwan dhigay qiimaha of this index, taas oo ah in kala duwan ee ka soo 80 ilaa 100 femtolitrov bukaanada qaangaarka ah.

Marar badan waxaa aad u muhiim ah qoraalka imtixaanka MCV-dhiig. Norma waxaa ugu sareeya ee lagu arkay dhalatay. Waa in aan ka badnayn 140 femtolitrov. Sida ilmuhu korayo qiimaha caadiga ah ee index waxaa la dhimay. Sayidka, heerka for sano jir ah ilmaha u noqon lahaa kala duwan ee ka 71 si ay u 84 femtolitrov. Laga bilaabo 1 sano ilaa shan sano jir qiimaha mugga celceliska unugyada dhiigga cas dhaxaysey 73 85 femtolitrov. Laga bilaabo 5 ilaa 10 sano waxaa loo arkaa inay natiijada baaritaanka caadiga ah MCV 75 87 femtolitrov, oo kaliya in ay qaangaarnimada, tilmaame this gaadhay caadooyinka dadka waaweyn.

cadaynaynin MCV

Haddii qiimaha MCV in baaritaanka dhiigga hoos u, waxa muujinaysaa horumarka anemia microcytic. waxaa Horumarinta la yaraanta udhigo birta ee plasma dhiig, joogitaanka a cudurada dabiiciga ah ee joogtada ah iyo cudurada la iska dhaxlo, horumarinta burooyinka halista ah, xeryahooda sunta rasaasta qaadashada daawooyinka qaarkood, ku xadgudubka qamriga, in thalassaemia sida Avv of silsilad polypeptide ah, qayb ka mid ah qaab-dhismeedka hemoglobin hoos.

qiimaha buunbuuniyo MCV

qiimaha sare ee mugga celceliska unugyada erythrocyte tilmaamaya horumarka anemia iyo xaaladaha kale ee bahal in la gartaa macrocytic:

• deficiency of vitamin B ₁₂ (cyanocobalamin) ee absorbability xadgudub;
• folievodefitsitnoy anemia la acid yaraanta folic;
• anemia megaloblastic ay sabab u tahay xadgudub Avv DNA;
• anemia ficiladooda;
• hypothyroidism, taas oo ay jirto la'aan ah hormoonka thyroid;
• cudurada mindhicirada,
• cudurrada beerka;
• function dhimay unugyada ganaca,
• cudurada dhuuxa lafta,
• sumowga ama daawo sun ah;
• Khamriga.

Tusiyaha falanqaynta dhiig MCV waxa laga yaabaa in wax yar ka badan caadi ah in dumarka marka la qaadanayo uurka hormoonnada ah. Cabista sigaarka wuxuu sidoo kale keeni kara in la kordhiyo mugga celceliska unugyada dhiigga cas.

Fikradda ah MCH

Wada jir ah ula qeexidda MCV, falanqaynta MCH-dhiig u ogolaanaya si loo soo ogaado faraqa si loo ogaado foomamka of anemia. Waxaa loola jeedaa tirada sida qiyaas ahaan hal erythrocyte bir-ka kooban borotiinka haemoglobin. Qiyaasay eego buuxda.

Xisaabi qiimaha celceliska ah ee content haemoglobin ee ka mid ah erythrocyte qeybi fiirsashada haemoglobin ah by tirada unugyada erythrocyte. In la barbardhigo tilmaame midabka ah, MCH-falanqaynta noo ogolaadaa in si sax ah loo ogaado heerka protein bir-ka kooban ee unugyada dhiigga cas.

Marka la eego qiimaha index tani waa barar aad anemia go'doon, hypo iyo normochromic. Normohromiyu waxaa laga heli karaa dad caafimaad qaba, laakiin mararka qaarkood uu weheliyo hemolytic anemia iyo aplastic, iyo sidoo kale shuruudaha la xidhiidha dhiig la'aan ba'an.

Marka hypochromia mugga erythrocyte hoos u dhac, aynu oran microcytosis ama hoos u dhac ku protein haemoglobin ee unugyada dhiigga cas la mugga caadi ah. isku darka suurto gal Sayidka hypochromia la erythrocytes sida size la dhimay iyo normo- iyo macrocytes.

muujinta Hyperchromicity eegin robab unugyada erythrocyte protein hemoglobin dhacdaa oo sababay kaliya muda ah unugyada dhiigga cas. Tan waxa u sabab xaqiiqada ah in la kordhiyo hemoglobin kor ku xusan iska caadi ah nafsaaniga ah waa ay crystallization iyo hemolysis.