
hadanchi chitralekhan

hadey scan kinwa hadey chitralekhan heey hadeche anoo-aushadh pratimeche tantra aahe. hadancha karkarog kinwa metastasis, hadanchi jaljal aanee fractureche sthan (jeey paramparik ksh-kiran pratimanmadhye disat nahee) aanee hadancha sansarg (austiomyelitis) yasah anek hadanchya sthitiche nidan karnyat heey madat karoo shakate.
anuchikitsa karyatmak pratime pradan karate aanee hadanchya chayapachay kinwa hadanchya punarnirmitiche drishyaman karnyas anumati dete, jeey itar bahutek pratimechi tantre (jase qee ksh-kiran sanganit tomography, seaty) karoo shakat naheet. hadanchya asamanya chayapachayasathichya pratimesathi hadanchya chitralekhanala positron utsarjan tomography (paliv prani) saha spardha milate, parantu teey khoopach qamee kharchik aahe. nakaratmak sadhya radiographinantar scaffoid fracturechya nidanasathi hadansambandhichya chitralekhanamadhye jaast sanvedansheelata asate parantu seaty kinwa mripeksha qamee vishishtata asate.
itihas.
sangadyanchya chayapachayatil kahee suruvatichya tapasanya 1930 chya dashakat george dii hevesi yanni phosphorus-32 vaparoon aanee 1940 chya dashakat charles pechar yanni kelya.
1950 aanee 1960 chya dashakat calcium-45 chaa tapas karnyat aala, parantu beeta utsarjak mhanoon kalpana karane katheen tharale. florin-18 sarkhya positron aanee gamma utsarjakanche imaging aanee rectilinear scanners strauntiumchya isotope adhik upayukt tharale. aadhunik tantrapramane phosphet, diaphosphonets kinwa tatsam ghatakancha label asalele technitium-99 mea. (99 emm. tii. see.) vaparnyacha prastav 1971 madhye pahilyanda mandanyat aala hota.
tattva.
hadansathiche sarvat samanya radiopharmaceutical mhanje 99 emm. tii. see. aanee methylene diaphosphonate (emm. dii. pii.). hadanchya itar radiopharmaceuticalsm etch. dii. pii., etch. emm. dii. pii. aanee dii. pii. dii. saha 99 emm. tii. see. chaa samavesh aahe. emm. dii. pii. hadachya sfatikeey hydroxypatite khanijavar shoshun ghete. khanijikaran heey asthibandhananvar hote, jeey hadanchya vadhichya thikananche pratinidhitva karate, jethe emm. dii. pii. (aanee itar diaphosphate) "sthanik rakt pravah aanee asthibandhan kriyakalapanchya pramanat hydroxypatite sphatikanshi bandhale jaatat aanee mhanoon hadanchi uladhal aanee hadanchya perfusionche chinhak aahet".
hadanchi uladhal jitaki adhik sakriy asel, titaki adhik kiranotsargi samagri disel. kahee gathee, asthibhang aanee sansarg heey vadhiv grahan kshetra mhanoon disun yetat.
lakshat ghya qee prarambhik austiolitic kriyakalapanantar punarnirmiti aanee durusti prakriyedarmyanche tantra austioblastic kriyakalapanvar avalambun asate. yamule yaa austioblastic (pratikriyashil) kriyakalap nasalelya rogansah, udaharanarth multiple myelomasah, yaa imaging tantrachya lagoo honyavar maryada yete. chitralekhan pratima dirgh kalavadhisathi chukichya nakaratmak rahatat aanee tyamule tyanche nidan moolya maryadit asate. yaa prakarananmadhye nidan aanee avasthapanasathi seaty kinwa emm. aar. aay. scanla pradhanya dile jaate.
tantra.
hadanchya scanchya eka vishisht tantrat, rugnala 740 embeekyuparyant technitium-99 emm. dii. pii. neey injection dile jaate (sahasa haat kinwa hatatil shiret, kadhikadhi payat) aanee nantar gamma cameane scan kele jaate, jeey plainer anterior aanee postariyar kinwa single photon utsarjan sanganit tomography (spect) pratima tipate. lahan jakhama pahanyasathi plainer cintegraphypeksha spect imaging tantrala pradhanya dile jaau shakate.
ekeri tappyatil niyamavalimadhye (keval hadanche pratimedvare), jee pramukhyane austiyoblastsvar prakash takel, pratima samanyatah injection dilyanantar 2 teey 5 tasanmadhye midavalya jaatat (chaar tasannantar 50-60% kriyakalap hadanvar nishchit keela jaeel). done kinwa teen tappyancha protocol atirikt nidan mahitee midvinyasathi injectionantar vegvegalya thikani atirikt scancha vapar karato. eka gatishil (i.eae. ekadhik adhigrahit chaukati) injection dilyanantar lagechach parfusion mahitee midvato. parafyujanantarcha dusra tappa 'raktasanchay' pratima (teen tappyanchya tantrat kelee gelee tarr) dahak sthitee kinwa rakt purvathyachya samasyanche nidan karnyas madat karoo shakate.
hadanvaril scan darmyan milanara eka vaishishtyapurn prabhavi doses mhanje 6.3 millisivert (emm. ess. vhee.).
paliv pranyanchya hadanche imaging.
jaree hadanchya chitralekhanamadhye samanyatah 99 emm. tii. see. radiopharmaceuticals gamma camera imagingcha sandarbh deela jaat asala, taree florin-18 soodiyam fluoride ([18eff] naaf) vaparoon positron utsarjan tomography (paliv prani) scanners chitra kadhane dekhil shakya aahe.
parimanatmak mojmapansathi, 99 emm. tii. see.-emm. dii. pii. chey [18eff] nafpeksha kahee fayade aahet. emm. dii. pii. mootrapind clearance mootra pravah darane prabhavit hott nahee aanee sulabh deta vishleshan vaparale jaau shakate jeey sthir sthitee gruheet dharate. laal raktpeshinmadhye tyache tracerche sevan nagany aahe, mhanoon plazma aanee sampoorn rakt gunottaramadhye sudharana karane aavashyak nahee, [18f] nafchya ulat. tathapi, tote mhanje prathine bandhanyache uchch darr (injection dilyanantar lagechach 25 takkyanvarun 12 tasannantar 70 takkyanparyant, jyamule kalantarane muktapane upalabdh emm. dii. pii. mojale jaate) aanee [18eff] nafpeksha jaast aanvik vajanamule qamee visaranakshamta, jyamule keshika pargamyata qamee hote.
paliv pranyanchya tantrache anek fayade aahet, jeey samanyatah paliv pranyanchya pratimesathi samanya aahet, jyat sudharit sthanik sankalp aanee adhik vikasit ksheenata sudharana tantrancha samavesh aahe. radiopharmaceutical injectionantar (emm. dii. pii./etch. dii. pii. sathee 2-3 tasanchya tulanet, <aay. dii. 1> minite) imaging adhik vegane suru kele jaau shakate mhanoon rugnacha anubhav sudharato. [18eff] naff paliv pranyanna scannerchi jaast magani aanee tracerchi maryadit upalabdhata yamule adthala yeto.