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{"sheet":"MGD-laskuri","index":0,"n_rows":22,"n_cols":10,"rows_kept":22,"cut":false,"hidden":false,"merged":[]}
[null,null,null,null,null,null,null,null,"MGD laskuri 1.1"]
[]
[]
[]
["1) HVL:n määritys",null,null,null,null,null,null,"2) MGD:n laskeminen"]
[]
["Valitse HVL:n määritystapa:",null,null,null,null,null,null,"Valitse:"]
[]
[]
["Ka(x)=a*exp(-b*x) => HVL=ln[Ka(0 mmAl)/(2*a)]/-b",null,null,null,null,null,null,"MGD=Ka*g*c*s"]
[]
[null,null,null,null,null,null,null,"Ka ilmakerma",null,"mGy"]
[null,null,null,null,null,null,null,"HVL",null,"mmAl"]
[null,null,null,null,null,null,null,"Spektri"]
[null,null,null,null,null,null,null,"Fantomin paksuus",null,"mm"]
[null,null,null,null,null,null,null,"Rinnan paksuus",null,"mm"]
[null,null,null,null,null,null,null,"Arvioitu rauhaskudospitoisuus",null,"%"]
[null,null,null,null,null,null,null,"Potilaan ikä",null,"vuotta"]
[null,null,null,null,null,null,null,"g konversiokerroin"]
["HVL",null,"mmAl",null,null,null,null,"c rauhasen kudoskerroin"]
[null,null,null,null,null,null,null,"s spektristä riippuva kerroin"]
[null,null,null,null,null,null,null,"MGD",null,"mGy"]

{"sheet":" Käyttöohjeet","index":1,"n_rows":59,"n_cols":2,"rows_kept":59,"cut":false,"hidden":false,"merged":[]}
["Tekijä: ATi, Aino Tietäväinen, 17.12.2009"]
[]
["KÄYTTÖOHJEET:"]
[]
["Tämä Excel sisältää neljä sivua, \"Käyttöohjeet\" (tämä sivu), \"Ohjelmaloki\", johon voi tarvittaessa lisätä ohjelmaan tehdyt muutokset, havaitut ongelmat tai parannusehdotukset, \"MGD-laskuri\","]
["joka laskee HVL:n ja MGD:n sekä \"Taulukot\", joka sisältää taulukot, joita makro käyttää MGD:n laskemiseen. Muutokset jälkimmäiseen sivuun vaikuttavat laskettuun MGD-arvoon ja tästä syystä sivu onkin lukittu. "]
[]
["Lukituksen avaava SALASANA on 'stuk' (ilman hipsuloita..)!"]
[]
["MGD:n (Mean glandular Dose) lasketaan kahdessa osassa. Ensimmäinen osa määrittelee 1. HVL:n ja toinen osa laskee MGD:n. "]
["Laskeminen tapahtuu aina syöttämällä tarvittavat tiedot syöttöruutuihin (userform), jotka avautuvat napeista \"Mittaus\", \"Taulukkoarvio\", \"Valmis arvo\", \"Laske MGD (fantomi)\" tai \"Laske MGD "]
["(potilas)\". Itse Excel-taulukkoon EI siis tule kirjoittaa mitään, siihen tulee vain näkyville mittauksissa käytetyt parametrit ja tulokset!"]
[]
["1) HVL:n määrittäminen:"]
["HVL:n voi laskea mittauksista, arvioida taulukosta tai sille voi syöttää suoraan tunnetun arvon. Laskutavan voi valita painamalla ko. nappia. HVL:n suositusväli on tyypillinen mammoalue 0,3-0,8 mmAl "]
["(paitsi jos MGD lasketaan tunnetun rauhaskudospitoisuuden avulla, jolloin suositusväli on 0,3-0,6 mmAl), sillä MGD:n laskussa tarvittavat kertoimet saadaan taulukoista, joissa HVL on tällä välillä. "]
[]
[null,"1a) Mittaus"]
[null,"HVL:n laskemiseen mitatuista ilmakerma-arvoista käytetään seuraavaa yhtälöä:"]
[null,"Ka(x)=a*exp(-bx), jolloin HVL=ln[Ka(0 mmAl)/(2*a)]/-b, "]
[null,"jossa Ka on ilmakerma (mGy), x on alumiinisuodatuksen paksuus (mmAl), a (mGy) ja b (1/mmAl) ovat exponenttifunktion termejä. Parametrit a ja b määritetään ratkaisemalla yhtälöpari:"]
[null,"Ka1(x1)=a*exp(-b*x1) ja Ka2(x2)=a*exp(-b*x2). a- ja b-parametrit ovat: a=Ka1/exp(-b*x1) ja b=ln(Ka1/Ka2)/(x2-x1). Yhtälöparin ja HVL:n ratkaisemiseksi ohjelmaan täytyy syöttää 0 mmAl -suodatusta "]
[null,"vastaava ilmakerma Ka(0 mmAl), sekä kaksi suodatus+ilmakerma-arvoparia, jotka ovat mielellään mitattu mahdollisimman läheltä ja molemmin puolin Ka(0 mmAl):aa. "]
[null,"Näin HVL:n virhe on mahdollisimman pieni. Jos suodatus-ilmakermapareja ei ole laskettu Ka(0 mmAl):n ympäriltä, ohjelma pystyy laskemaan HVL:n, mutta tulos on hieman epätarkempi. "]
[null,"Mittaus-valikosta on mahdollista myös valita kohta \"HVL-arviot jännitteille 25-32 kV\", joka arvioi mitatun ulostulon ja lasketun HVL:n avulla ulostulon ja HVL:n jännitteille 25-32 kV, kun "]
[null,"mittauksissa käytetty jännite ja spektri tiedetään [3]. Nämä ulostulo- ja HVL-arvot ovat siis arvioita ko. röntgenlaitteelle."]
[]
[null,"1b) Taulukkoarvio"]
[null,"Jos HVL:iä ei ole mitattu sen voi arvioida tunnetun spektrin (vaihtoehtona \"Mo/Mo\", \"Mo/Rh\", \"Rh/Rh\", \"W/Rh\" tai \"W/Ag\") ja jännitteen ( 24-34 kV, 28-34 kV jos spektri \"W/Ag\") avulla. Tämä on kuitenkin "]
[null,"epätarkempi menetelmä kuin (huolella suoritettu) mittaus."]
[]
[null,"1c) Valmis arvo"]
[null,"Ohjelmaan on mahdollista syöttää valmiiksi tunnettu HVL-arvo."]
[]
["2) MGD:n laskeminen:                                                                                                                                                                                                 "]
["MGD:tä laskettaessa käytetään seuraavaa yhtälöä: "]
["MGD=Ka*g*c*s, "]
["jossa g on konversiokerroin (johon vaikuttavat HVL ja rinnan paksuus), "]
["c on rauhasen kudoskerroin (johon vaikuttavat HVL, rinnan koostumus ja rinnan paksuus) ja "]
["s on spektristä riippuva kerroin (Oletuksena Mo/Mo, jolloin s=1) [1]. "]
["Ohjelma ottaa HVL-arvon suoraan ruudusta B20, johon ei ole tarkoitus tehdä suoraan muutoksia. Ohjelma laskee MGD:n joko fantomimittauksille tai potilaalle. "]
["Kummassakin tapauksessa ohjelma interpoloi lineaarisesti (eli ratkaisee yhtälöparin y1=a*x1+b ja y2=a*x2+b) g- ja c-kertoimet taulukoista (\"Taulukot\"-sivu). Taulukoissa rintojen paksuudet "]
["ovat väliltä 20-110 mm. Tällä välillä kertoimien ja MGD:n arvo on tarkin. Kummassakin tapauksessa on mahdollista lisäksi valita kohta \"g- ja c-kertoimet jännitteille 25-32 kV\", jotka laskevat "]
["arvioidut g- ja c-kertoimet käyttäen kohdassa 1a) laskettuja HVL-arvoja. Koska eri jännitteillä laitteen mAs-arvo -ja näin ollen ulostulo- muuttuvat, käyttäjälle jää itselleen halutessaan MGD-"]
["arvojen lasku. Taulukon ulostulo onkin vain \"suhteellinen ulostulo\" jossa ei ole huomioitu muuttuvaa mAs-arvoa."]
[]
[null,"2a) MGD Fantomille"]
[null,"Fantomimittauksessa oletetaan 50% rauhaskudos, jolloin c=1. "]
[]
[null,"2b) MGD Potilaalle"]
[null,"Potilasmittauksessa valitaan joko potilaan ikäryhmä (40-49 tai 50-64 vuotta) tai tunnettu rauhaskudospitoisuus (0-100%) sekä spektri ja rinnan paksuus, joiden avulla g-, s- ja c-kertoimet sekä "]
[null,"MGD lasketaan. Näin mikäli rauhaskudospitoisuutta ei tunneta, c-kerroin voidaan arvioida potilaan iän, HVL:n  ja rinnan paksuuden avulla."]
[]
[]
["Viitteet:"]
["[1] D. Dance et al., \"Additional factors for the estimation of mean glandular breast dose using the UK mammography dosimetry protocol\", Phys. Med. Biol., vol. 45, 2000"]
["[2] TRS457 s. 164, Young, K.C., Royal Surrey County Hospital, Guildford, personal communication, 2003. "]
["[3] K. J. Robson, \"A parametric method for determining mammographic X-ray tube output and half value layer\", Brit J Radiol., vol 74, 2001"]
["[4] Dance, Young, van Engen. Estimation of mean glandular dose for breast tomosynthesis: factors for use with the UK, European and IAEA breast dosimetry protocols, PMB 56, 2011."]

{"sheet":"Ohjelmaloki","index":2,"n_rows":28,"n_cols":3,"rows_kept":28,"cut":false,"hidden":false,"merged":[]}
["Loki:"]
[]
["pm. ","nimi:","selite:"]
["2009-12-15","ATi","Parannusehdotuksia: 1) Ohjelma voisi antaa valita muunkin fantomin paksuuden kuin 45 mm PMMA. "]
[null,null,"2) Pitäisikö MGD laskea käyttäen Dancen uusia s-kertoimia? (Dance et. al. 2009, kts Taulukot-sivu)."]
[null,null,"3) Ohjelma laskee laitekohtaiset HVL-arvot jännitevälille 25-32 kV kun on mitannut HVL:n yhdellä jännitteellä (Robson 2001). "]
[null,null,"Pitäisikö ohjelman pystyä laskemaan myös MGD tälle jännitevälille (tarvitsee mAs:n)?"]
[null,null,"4) Virhearviointi?"]
[]
["2009-12-17","ATi","Ohjelman ensimmäinen versio 1.0 valmis."]
[]
["2014-10-14","ATi","Ohjelmakoodista korjattiin virhe, joka laski väärän c-kertoimen kun 0.35<HVL<0.4. c-kerroin laskettiin tällöin aina HVL=0.35 -arvolla. "]
[null,null,"Virhe liittyi todennäköisesti tietokoneen tarkkuuteen ilmoittaa lukuja. Koodissa käytetyt HLOOKUP- ja VLOOKUP-funktiot etsivät niille "]
[null,null,"annetun luvun taulukosta. Tällöin annetun luvun pitää olla joko täysin sama luku kuin taulukossa oleva luku, tai vähän suurempi, sillä "]
[null,null,"mikäli HLOOKUP ja VLOOKUP eivät löydä täysin samaa lukua taulukosta ne valitsevat suurimman luvun, joka on pienempi kuin "]
[null,null,"annettu luku (ei siis lukua, joka on mahdollisimman lähellä annettua lukua). Esimerkiksi 0.8/2 ei ole välttämättä niin tarkasti 0.40, "]
[null,null,"että ko. luku tulisi valituksi taulukosta. HLOOKUP ja VLOOKUP saattavat valita luvun 0.35 sen sijaan. Nyt koodi lisää jokaiseen lukuun "]
[null,null,"arvon 0.0001 (esim. 0.40+0.0001=0.4001), jolloin taulukosta tulee valituksi sitä pienempi luku (esim. 0.40)."]
[null,null,"Koodiin tehtiin myös muita pienempiä muutoksia ja sitä muokattiin tiiviimpään muotoon. Sen toimintaa testattiin "]
[null,null,"MGDlaskuri_1_1_testaus-excelin mukaisesti. Lisätestaus olisi vielä tarpeen. "]
[]
[null,null,"Ohjelman taulukoita myös laajennettiin. Taulukoihin lisättiin"]
[null,null,"1) s-kerroin uudelle spektrille (W/75 um Ag), "]
[null,null,"2) HVL-arvot 0.65-0.8 mmAl g-kertoimen laskemista varten,"]
[null,null,"3) arvioituja HVL-arvoja W/75 um Ag -spektrille jännitteillä 28-32 kV, sekä "]
[null,null,"4) HVL-arvot 0.65-0.8 mmAl c-kertoimen laskemista varten (kun c-kerroin arvioidaan tunnetun iän avulla)."]
[]
["2014-12-04",null,"Ohjelman toinen versio 1.1 valmis."]

{"sheet":"Taulukot","index":3,"n_rows":257,"n_cols":13,"rows_kept":257,"cut":false,"hidden":false,"merged":[]}
["Huom! Tämän sivun taulukoiden muuttaminen saattaa johtaa makron laskemien tulosten muuttumiseen. Siksi tämä sivu on lukittu."]
["Lukituksen avaava SALASANA on 'stuk' (ilman hipsuloita..)!"]
[]
[]
["Taulukot otettu seuraavista lähteistä:"]
["[1] D. Dance et al., \"Additional factors for the estimation of mean glandular breast dose using the UK mammography dosimetry protocol\", Phys. Med. Biol., vol. 45, 2000"]
["[2] TRS457 s. 164, Young, K.C., Royal Surrey County Hospital, Guildford, personal communication, 2003. "]
["[3] K. J. Robson, \"A parametric method for determining mammographic X-ray tube output and half value layer\", Brit J Radiol., vol 74, 2001"]
["[4] Dance, Young, van Engen. Estimation of mean glandular dose for breast tomosynthesis: factors for use with the UK, European and IAEA breast dosimetry protocols, PMB 56, 2011."]
[]
[]
["Osan taulukoiden vieressä on tasokuvaajat (surface plot), jotka toimivat arviona "]
["soveltuuko lineaarinen interpolointi taulukoitujen arvojen välissä olevien arvojen laskemiseen. "]
[]
[]
[]
["s-kerroin"]
["Mo/Mo",1]
["Mo/Rh",1.0169999999999999]
["Rh/Rh",1.0609999999999999]
["Rh/Al",1.044]
["W/Rh",1.042]
["W/Ag",1.042]
["*Dance et al. 2000"]
["**Huom, koodi ei käytä arvoja suoraan yllä olevasta taulukosta (taulukon arvot ovat suoraan koodissa, joten tämän taulukon muuttaminen ei vaikuta tuloksiin)"]
[]
["g-kerroin",null,null,null,"HVL (mm Al)"]
["Breast thickness",null,0.3,0.35,0.4,0.45,0.5,0.55000000000000004,0.6,0.65,0.7,0.75,0.8]
["(mm )","Index",1,2,3,4,5,6,7,8,9,10,11]
[20,1,0.39,0.433,0.47299999999999998,0.50900000000000001,0.54300000000000004,0.57299999999999995,0.58699999999999997,0.622,0.64400000000000002,0.66300000000000003,0.68200000000000005]
[30,2,0.27400000000000002,0.309,0.34200000000000003,0.374,0.40600000000000003,0.437,0.46600000000000003,0.49099999999999999,0.51400000000000001,0.53500000000000003,0.55500000000000005]
[40,3,0.20699999999999999,0.23499999999999999,0.26100000000000001,0.28899999999999998,0.318,0.34599999999999997,0.374,0.39900000000000002,0.42099999999999999,0.441,0.46]
[50,4,0.16400000000000001,0.187,0.20899999999999999,0.23200000000000001,0.25800000000000001,0.28699999999999998,0.31,0.33200000000000002,0.35199999999999998,0.371,0.38900000000000001]
[60,5,0.13500000000000001,0.154,0.17199999999999999,0.192,0.214,0.23599999999999999,0.26100000000000001,0.28199999999999997,0.3,0.317,0.33300000000000002]
[70,6,0.114,0.13,0.14499999999999999,0.16300000000000001,0.17699999999999999,0.20200000000000001,0.224,0.24399999999999999,0.25900000000000001,0.27400000000000002,0.28899999999999998]
[80,7,9.8000000000000004E-2,0.112,0.126,0.14000000000000001,0.154,0.17499999999999999,0.19500000000000001,0.21199999999999999,0.22700000000000001,0.24099999999999999,0.254]
[90,8,8.5999999999999993E-2,9.8000000000000004E-2,0.111,0.123,0.13600000000000001,0.154,0.17199999999999999,0.18790000000000001,0.20169999999999999,0.21429999999999999,0.22700000000000001]
[100,9,7.5999999999999998E-2,8.6999999999999994E-2,9.9000000000000005E-2,0.11,0.121,0.13800000000000001,0.154,0.16819999999999999,0.18090000000000001,0.19259999999999999,0.2044]
[110,10,6.9000000000000006E-2,7.9000000000000001E-2,8.8999999999999996E-2,9.9000000000000005E-2,0.109,0.124,0.13900000000000001,0.152,0.1638,0.17460000000000001,0.18559999999999999]
["* Dance et al. 2000."]
[]
["Arvioituja HVLiä:"]
[null,null,null,"Target/filter combination"]
["Tube",null,null,"(mm Al)"]
["voltage",null,"Mo/30 µm Mo","Mo/25 µm Rh","Rh/25 µm Rh","W/50 µm Rh","W/75 µm Ag"]
["(kV)","Index",1,2,3,4,5,"Huom! Taulukossa oli alun perin vain \"Mo/Mo, Mo/Rh, Rh/Rh ja W/Rh\","]
[24,1,0.317,0.38100000000000001,0.36899999999999999,0.50700000000000001,null,"paksuudet on oletettu samoiksi kuin muissa taulukoissa."]
[25,2,0.32600000000000001,0.38900000000000001,0.38200000000000001,0.51600000000000001]
[26,3,0.33600000000000002,0.39700000000000002,0.39400000000000002,0.52500000000000002]
[27,4,0.34499999999999997,0.40500000000000003,0.40699999999999997,0.53400000000000003]
[28,5,0.35499999999999998,0.41299999999999998,0.41899999999999998,0.54300000000000004,0.71]
[29,6,0.36499999999999999,0.42199999999999999,0.432,0.55200000000000005,0.72]
[30,7,0.374,0.43,0.44400000000000001,0.56100000000000005,0.73]
[31,8,0.38400000000000001,0.438,0.45700000000000002,0.57099999999999995,0.74]
[32,9,0.39400000000000002,0.44600000000000001,0.46899999999999997,0.57999999999999996,0.75]
[33,10,0.40300000000000002,0.45400000000000001,0.48199999999999998,0.58899999999999997,0.76]
[34,11,0.41299999999999998,0.46300000000000002,0.49399999999999999,0.59799999999999998,0.77]
["* TSR 457, s. 164 (Keskustelu Youngin kanssa)."]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
["c-kerroin arvioidaan potilaan iän, HVL:n ja rinnan paksuuden avulla:"]
["Breast ",null,null,"40-49 v"]
["thickness","HVL (mm Al)"]
["(cm)",null,0.3,0.35,0.4,0.45,0.5,0.55000000000000004,0.6,0.65,0.7,0.75,0.8]
[null,"Index",1,2,3,4,5,6,7,8,9,10,11]
[20,1,0.88500000000000001,0.89100000000000001,0.9,0.90500000000000003,0.91,0.91400000000000003,0.91900000000000004,0.92300000000000004,0.92800000000000005,0.93200000000000005,0.93600000000000005]
[30,2,0.89400000000000002,0.89800000000000002,0.90300000000000002,0.90600000000000003,0.91100000000000003,0.91500000000000004,0.91800000000000004,0.92400000000000004,0.92800000000000005,0.93300000000000005,0.93700000000000006]
[40,3,0.94,0.94299999999999995,0.94499999999999995,0.94699999999999995,0.94799999999999995,0.95199999999999996,0.95499999999999996,0.95599999999999996,0.95899999999999996,0.96099999999999997,0.96399999999999997]
[50,4,1.0049999999999999,1.0049999999999999,1.0049999999999999,1.004,1.004,1.004,1.004,1.004,1.0029999999999999,1.0029999999999999,1.0029999999999999]
[60,5,1.08,1.0780000000000001,1.0740000000000001,1.0740000000000001,1.071,1.0680000000000001,1.0660000000000001,1.0609999999999999,1.0580000000000001,1.0549999999999999,1.0509999999999999]
[70,6,1.1519999999999999,1.147,1.141,1.1379999999999999,1.135,1.1299999999999999,1.127,1.117,1.111,1.105,1.0980000000000001]
[80,7,1.22,1.2130000000000001,1.206,1.2050000000000001,1.1990000000000001,1.19,1.1830000000000001,1.1719999999999999,1.163,1.1539999999999999,1.145]
[90,8,1.27,1.264,1.254,1.248,1.244,1.2350000000000001,1.2250000000000001,1.214,1.204,1.1930000000000001,1.181]
[100,9,1.2949999999999999,1.2869999999999999,1.2789999999999999,1.2749999999999999,1.272,1.262,1.2509999999999999,1.238,1.2270000000000001,1.2150000000000001,1.2030000000000001]
[110,10,1.294,1.29,1.2829999999999999,1.2809999999999999,1.2729999999999999,1.264,1.256,1.242,1.232,1.22,1.208]
["*Dance et al. 2000."]
[]
[]
["Breast ",null,null,"50-64 v"]
["thickness","HVL (mm Al)"]
["(cm)",null,0.3,0.35,0.4,0.45,0.5,0.55000000000000004,0.6,0.65,0.7,0.75,0.8]
[null,"Index",1,2,3,4,5,6,7,8,9,10,11]
[20,1,0.88500000000000001,0.89100000000000001,0.9,0.90500000000000003,0.91,0.91400000000000003,0.91900000000000004,0.92300000000000004,0.92800000000000005,0.93200000000000005,0.93600000000000005]
[30,2,0.92500000000000004,0.92900000000000005,0.93100000000000005,0.93300000000000005,0.93700000000000006,0.94,0.94099999999999995,0.94699999999999995,0.95,0.95299999999999996,0.95599999999999996]
[40,3,1,1,1,1,1,1,1,1,1,1,1]
[50,4,1.0860000000000001,1.0820000000000001,1.081,1.0780000000000001,1.075,1.071,1.069,1.0640000000000001,1.06,1.0569999999999999,1.0529999999999999]
[60,5,1.1639999999999999,1.1599999999999999,1.151,1.1499999999999999,1.1439999999999999,1.139,1.1339999999999999,1.1240000000000001,1.117,1.111,1.103]
[70,6,1.232,1.2250000000000001,1.214,1.208,1.204,1.196,1.1879999999999999,1.1759999999999999,1.167,1.157,1.147]
[80,7,1.2749999999999999,1.2649999999999999,1.2569999999999999,1.254,1.2470000000000001,1.2370000000000001,1.2270000000000001,1.2130000000000001,1.202,1.1910000000000001,1.179]
[90,8,1.2989999999999999,1.292,1.282,1.2749999999999999,1.27,1.26,1.2490000000000001,1.236,1.2250000000000001,1.2130000000000001,1.2]
[100,9,1.3069999999999999,1.298,1.29,1.286,1.2829999999999999,1.272,1.2609999999999999,1.248,1.236,1.224,1.2110000000000001]
[110,10,1.306,1.3009999999999999,1.294,1.2909999999999999,1.2829999999999999,1.274,1.266,1.2509999999999999,1.24,1.228,1.2150000000000001]
["*Dance et al. 2000."]
[]
[]
["Target/filter ",null,"Filter  "]
["combination ",null,"thickness","n ","a ","b"]
["Mo/30 mm Mo ",null,"36,1 mm ",3.06,-3.2600000000000001E-4,2.7300000000000001E-2,null,"Output=A*(kV)^n   =>   A=Output/kV^n"]
["Mo/25 mm Rh ",null,"29,9 mm ",3.24,-6.2399999999999999E-4,4.4499999999999998E-2,null,"HVL=a*(kV)^2+b*(kV)+c   =>   c=HVL-a*(kV)^2-b*(kV)"]
["Rh/25 mm Rh ",null,"29,9 mm ",3.03,-5.1400000000000003E-4,4.2500000000000003E-2]
["W/50 mm Rh ",null,"58,9 mm ",1.96,-5.3899999999999998E-4,4.0300000000000002E-2]
["Rh/1.0 mm Al ",null,"1,20 mm ",4.3899999999999997,-1.1299999999999999E-3,9.0899999999999995E-2]
["Mo/1.0 mm Al ",null,"1,20 mm ",4.2300000000000004,-7.7499999999999997E-4,5.9299999999999999E-2]
["*Mo, molybdenum; Rh, rhodium; W, tungsten."]
["**Robson 2001"]
["***Huom, koodi ei käytä arvoja suoraan tästä taulukosta (taulukon arvot ovat"]
["suoraan koodissa, joten tämän taulukon muuttaminen ei vaikuta tuloksiin)"]
[]
[]
["Coefficient Age 40 to 49 Age 50 to 64"]
["a",5.2089999999999998E-5,-1.1179999999999999E-4,null,"Glandularity(%)=a*t^3+b*t^2+c*t+d"]
["b ",1.25494E-3,3.9320000000000001E-2]
["c ",-1.988,-4.5439999999999996]
["d ",138.80000000000001,176]
["*Dance et al., 2000"]
["**Huom, koodi ei käytä arvoja suoraan yllä olevasta taulukosta (taulukon arvot ovat"]
["suoraan koodissa, joten tämän taulukon muuttaminen ei vaikuta tuloksiin)"]
[]
[]
[]
[]
["c-kerroin, joka arvioidaan rinnan paksuuden, HVL:n ja tunnetun rauhaskudospitoisuuden avulla "]
[]
["HVL","Breast",null,null,"Breast glandularity (g)"]
[null,"thickness",null,null,"(%)"]
["(mm Al)","(mm)",null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.30",20,1,1.1299999999999999,1.0589999999999999,1,0.93799999999999994,0.88500000000000001]
[null,30,2,1.206,1.0980000000000001,1,0.91500000000000004,0.83599999999999997]
[null,40,3,1.2529999999999999,1.1200000000000001,1,0.89800000000000002,0.80800000000000005]
[null,50,4,1.282,1.127,1,0.88600000000000001,0.79400000000000004]
[null,60,5,1.3029999999999999,1.135,1,0.88200000000000001,0.78500000000000003]
[null,70,6,1.3169999999999999,1.1419999999999999,1,0.88100000000000001,0.78400000000000003]
[null,80,7,1.325,1.143,1,0.879,0.78]
[null,90,8,1.3280000000000001,1.145,1,0.879,0.78]
[null,100,9,1.329,1.147,1,0.88,0.78]
[null,110,10,1.3280000000000001,1.143,1,0.879,0.77900000000000003]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.35",20,1,1.123,1.0580000000000001,1,0.94299999999999995,0.89100000000000001]
[null,30,2,1.196,1.0900000000000001,1,0.91900000000000004,0.84199999999999997]
[null,40,3,1.244,1.1120000000000001,1,0.90300000000000002,0.81599999999999995]
[null,50,4,1.272,1.121,1,0.89,0.80100000000000005]
[null,60,5,1.294,1.1319999999999999,1,0.88600000000000001,0.79300000000000004]
[null,70,6,1.3080000000000001,1.1379999999999999,1,0.88600000000000001,0.78800000000000003]
[null,80,7,1.3120000000000001,1.1399999999999999,1,0.88400000000000001,0.78600000000000003]
[null,90,8,1.319,1.145,1,0.88400000000000001,0.78600000000000003]
[null,100,9,1.319,1.1439999999999999,1,0.88100000000000001,0.78500000000000003]
[null,110,10,1.3220000000000001,1.1419999999999999,1,0.88200000000000001,0.78400000000000003]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.40",20,1,1.111,1.054,1,0.94899999999999995,0.9]
[null,30,2,1.181,1.087,1,0.92200000000000004,0.85099999999999998]
[null,40,3,1.2270000000000001,1.105,1,0.90700000000000003,0.82499999999999996]
[null,50,4,1.258,1.1200000000000001,1,0.89900000000000002,0.81]
[null,60,5,1.276,1.125,1,0.89,0.79800000000000004]
[null,70,6,1.292,1.1319999999999999,1,0.88700000000000001,0.79300000000000004]
[null,80,7,1.302,1.1359999999999999,1,0.88500000000000001,0.79]
[null,90,8,1.3080000000000001,1.1379999999999999,1,0.88400000000000001,0.78900000000000003]
[null,100,9,1.3109999999999999,1.1379999999999999,1,0.88300000000000001,0.78800000000000003]
[null,110,10,1.3149999999999999,1.1399999999999999,1,0.88500000000000001,0.79100000000000004]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.45",20,1,1.099,1.052,1,0.94799999999999995,0.90500000000000003]
[null,30,2,1.169,1.08,1,0.92400000000000004,0.85799999999999998]
[null,40,3,1.2090000000000001,1.1020000000000001,1,0.90900000000000003,0.82899999999999996]
[null,50,4,1.248,1.115,1,0.89800000000000002,0.81499999999999995]
[null,60,5,1.2669999999999999,1.125,1,0.89100000000000001,0.80100000000000005]
[null,70,6,1.2829999999999999,1.129,1,0.89200000000000002,0.79700000000000004]
[null,80,7,1.298,1.137,1,0.88700000000000001,0.79900000000000004]
[null,90,8,1.3009999999999999,1.135,1,0.88600000000000001,0.79200000000000004]
[null,100,9,1.3049999999999999,1.1379999999999999,1,0.88600000000000001,0.79100000000000004]
[null,110,10,1.3120000000000001,1.1379999999999999,1,0.88500000000000001,0.78900000000000003]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.50",20,1,1.0980000000000001,1.05,1,0.95499999999999996,0.91]
[null,30,2,1.1639999999999999,1.0780000000000001,1,0.92800000000000005,0.86399999999999999]
[null,40,3,1.2090000000000001,1.0940000000000001,1,0.91200000000000003,0.83499999999999996]
[null,50,4,1.242,1.111,1,0.90300000000000002,0.81699999999999995]
[null,60,5,1.2629999999999999,1.1200000000000001,1,0.89600000000000002,0.80700000000000005]
[null,70,6,1.278,1.127,1,0.89,0.8]
[null,80,7,1.2889999999999999,1.1319999999999999,1,0.88900000000000001,0.79400000000000004]
[null,90,8,1.2949999999999999,1.1339999999999999,1,0.88700000000000001,0.79300000000000004]
[null,100,9,1.302,1.1379999999999999,1,0.88600000000000001,0.79100000000000004]
[null,110,10,1.3029999999999999,1.1399999999999999,1,0.88500000000000001,0.78900000000000003]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.55",20,1,1.0860000000000001,1.0429999999999999,1,0.95499999999999996,0.91400000000000003]
[null,30,2,1.1539999999999999,1.071,1,0.93200000000000005,0.87]
[null,40,3,1.196,1.093,1,0.91800000000000004,0.84299999999999997]
[null,50,4,1.2270000000000001,1.105,1,0.90600000000000003,0.82399999999999995]
[null,60,5,1.252,1.115,1,0.9,0.81399999999999995]
[null,70,6,1.2669999999999999,1.1220000000000001,1,0.89600000000000002,0.80500000000000005]
[null,80,7,1.278,1.125,1,0.89,0.8]
[null,90,8,1.2849999999999999,1.1279999999999999,1,0.89,0.79800000000000004]
[null,100,9,1.29,1.133,1,0.88900000000000001,0.79600000000000004]
[null,110,10,1.2929999999999999,1.1339999999999999,1,0.88800000000000001,0.79300000000000004]
[null,null,null,0.1,25,50,75,100]
[null,null,"Index",1,2,3,4,5]
["0.60",20,1,1.089,1.0449999999999999,1,0.95899999999999996,0.91900000000000004]
[null,30,2,1.1419999999999999,1.0649999999999999,1,0.93300000000000005,0.874]
[null,40,3,1.1850000000000001,1.0900000000000001,1,0.92300000000000004,0.85]
[null,50,4,1.216,1.1020000000000001,1,0.91,0.83]
[null,60,5,1.238,1.113,1,0.90400000000000003,0.82]
[null,70,6,1.252,1.1200000000000001,1,0.89900000000000002,0.81200000000000006]
[null,80,7,1.266,1.123,1,0.89400000000000002,0.80600000000000005]
[null,90,8,1.272,1.1240000000000001,1,0.89300000000000002,0.80100000000000005]
[null,100,9,1.2789999999999999,1.125,1,0.89100000000000001,0.79700000000000004]
[null,110,10,1.284,1.129,1,0.89300000000000002,0.79800000000000004]
["* Dance et al., 2000."]
[]
[]
["Muita taulukoita:"]
[]
["HVL",null,null,"HVL","cDG50,Ki,PMMA"]
["(mm Al)","BSF",null,"(mm Al)","(mGy/mGy)"]
[0.25,1.07]
[0.3,1.07,null,"0.25 "," 0.149"]
[0.35,1.08,null,"0.30","0.177"]
[0.4,1.0900000000000001,null,"0.35","0.202"]
[0.45,1.1000000000000001,null,"0.40","0.223"]
[0.5,1.1100000000000001,null,"0.45","0.248"]
[0.55000000000000004,1.1200000000000001,null,"0.50","0.276"]
[0.6,1.1200000000000001,null,"0.55","0.304"]
[0.65,1.1299999999999999,null,"0.60","0.326"]
[null,null,null,"0.65","0.349"]
[null,null,null,"* TRS 457"]
[]
[]
[]
["Uudemmat s-kertoimet:"]
["Table 2. s-factors for Mo/Mo, Mo/Rh, Rh/Rh and W/Rh target/filter combinations."]
[null,null,null,null,"s-factor"]
[null,null,null,"Range of ","using ","Maximum ","s-factor from"]
[null,null,"kV range ","values of ","Boone ","systematic ","Dance et al"]
["Target ","Filter ","(kV) ","MGD/(Kgc) ","spectra ","error% ","(2000)"]
[]
["Mo ","30 μm Mo ","25–35","0,944–1,026 ",1,4.0999999999999996,1]
["Mo ","25 μm Rh ","25–35 ","0,996–1,055 ",1.0409999999999999,2.9,1.0169999999999999]
["Rh ","25 μm Rh ","25–35 ","1,014–1,136 ",1.091,5.7,1.0609999999999999]
["W ","50–60 μm Rh ","25–35 ","0,976–1,059 ",1.0329999999999999,4.0999999999999996,1.042]
["*Dance et al, 2009 \"Further factors for the estimation of mean glandular"]
["dose using the United Kingdom, European and IAEA"]
["breast dosimetry protocols\""]