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Neutorgasse 9, 1010 Vienna | Austria Phone: +43 (0)1 533 40 64 - 0 | Fax: +43 (0)1 533 40 64 - 448 [email protected] | myESR.org ZVR.Nr. 083757049 Abstract Submission for ECR 2016 Scientific Paper (talk: 6 min. + 2 min. discussion) Abstracts should be submitted in a format ready for publication. Please check and avoid any typographic and grammatical errors. Kindly note that ordinary case reports (three or fewer cases) will not be accepted! The reviewers are instructed to filter these out. We recommend submitting case reports to EURORAD (www.eurorad.org). Abstract Submission Instructions: A properly submitted abstract will include the following elements: Title Author(s) Disclosure statement Topic Abstract categories Abstract body (summarise subject in 250 words or less) structured as follows: - Purpose - Methods and Materials - Results - Conclusion Sample Abstract Body: Purpose: Partial volume averaging effects complicate measurement of acoustic neuroma size with the error greatest in small tumours. A method of volume measurement that incorporates partial volume averaging is introduced. Methods and Materials: Post contrast T1 volume MR images were acquired from 48 patients. A computer generated phantom was created, mimicking the partial volume and noise characteristics of acoustic neuromas. Manual volume segmentation is taken as the gold standard. Tumour diameter, perimeter length, elliptical and directly measured area were measured on the image demonstrating the largest tumour area. Three dimensional seeding was performed on the tumour volume as well as an algorithm developed for automated estimation of tumour size using Bayesian classifiers. Results: Correlation with gold standard volume measure was greatest for the automated algorithm (95 % confidence interval for R 2 is 0.962 to 0.988), followed by measures of seeding (0.773 to 0.923), ellipse (0.755 to 0.916), area (0.645 to 0.872), diameter (0.491 to 0.803), and perimeter (0.491 to 0.803). Phantom studies on partial volume regions show the accuracy of the partial volume measurement was 5 % (c.f. 13 % for repeated area measurements). Conclusion: A Bayesian statistical classification method can rapidly provide measures of tumour volume which are reproducible and offer better accuracy than current time consuming gold standard techniques. This method should also increase the accuracy of growth rate measurements for intracanalicular acoustic neuromas.

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Neutorgasse 9, 1010 Vienna | Austria Phone: +43 (0)1 533 40 64 - 0 | Fa: +43 (0)1 533 40 64 - 44! "o##uni"ations$#%&'()org | #%&'()org *V()Nr) 0!3+5+049 Abstract Submission for ECR 2016 Scientific Paper (ta,-: 6 #in) + . #in) /is"ussion) A0stra"ts shou,/ 0e su0#itte/ in a 1or#at rea/% 1or 2u0,i"ation) P,ease "he"- an/ a3oi/ an% t%2ogra2hi" an/ gra##ati"a, errors) 4in/,% note that ordinarycase reports (three or 1e5er "ases) willnotbe accepted! 6he re3ie5ers are instru"te/ to 1i,ter these out) 7e re"o##en/ su0#itting "ase re2orts to &8(9(A: (555)eurora/)org)) Abstract Submission Instructions A 2ro2er,% su0#itte/ a0stra"t 5i,, in",u/e the 1o,,o5ing e,e#ents: 6it,e Author(s) :is",osure state#ent 6o2i" A0stra"t "ategories A0stra"t 0o/% (su##arise su0;e"t in .50 5or/s or ,ess) structured as follows ! Purpose ! "et#ods and "aterials ! Results ! 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"o##uni"ations$#%&'()org | #%&'()org *V()Nr) 0!3+5+049 0( Pro1ection material Gn the HA//itiona, Gn1or#ationH se"tion, it 5i,, 0e re>uire/ to ti"- a 0o stating that %ou un/erstan/ that on,% /igita, 2ro;e"tion #ateria, 5i,, 0e a,,o5e/) Further#ore %ou 5i,, 0e as-e/ i1 %ou 5ou,/ ,i-e to su0#it a//itiona, /igita, #ateria, to &P9' (in "ase %our a0stra"t is a""e2te/)) 2( Abstract body &nterthea0stra"ttet0%t%2ingor"o2%ingan/2asting2,aintet1ro#a2re2are//o"u#entintothe a22ro2riate 1ie,/s) 3( Summary pa'e 7hen the a0stra"t su0#ission 2ro"ess is "o#2,ete, a su##ar% 2age is /is2,a%e/) 6his 2age in",u/es the a0stra"t "ontro, nu#0er an/ a,, /etai,s o1 %our su0#ission) P,ease re3ie5 this su##ar% "are1u,,% to ensure that it is "orre"t) G1 it is not, 2,ease e/it a""or/ing,%) 10( Confirmation 92tiona,: a "on1ir#ation o1 %our su0#ission "an 0e e#ai,e/ to %ou an/ to %our "o-authors) Please ma&e sure t#at your abstract is properly structured and proof!read concernin' En'lis# spellin' and 'rammar( )#is will certainly impro4e t#e 5uality of your submission and t#us influence its scores in a positi4e way) Iou "an edit or delete your abstract on,ine at an% ti#e 0e1ore 9"to0er 15, .015) G1 %ou 5ish to 5ith/ra5 %our a0stra"t a1ter that /ate %ou #ust in1or# the &'( 911i"e in 5riting 0% e#ai,) P,ease note that only di'ital material 5i,, 0e a""e2te/ 1or oral presentations) Gt "an 0e su0#itte/ on,ine 2rior to &@( .016 or trans1erre/ 1ro# the s2ea-erDs @:-(9=, :V:, *i2 /is- or 8'? /e3i"e to a "entra, ser3er onsite at ,east * #ours prior to t#e session) @o#2uters "onne"te/ to /ata 2ro;e"tors are 2ro3i/e/ in ea"h ,e"ture roo# 1or the s2ea-er to retrie3e the sa3e/ /ata) 6he #ateria, re#ains the 2ro2ert% o1 the s2ea-ers an/ 5i,, not 0e reuse/ 5ithout 2er#ission) Gt is e2e"te/ that a""e2tan"e o1 an a0stra"t 1or 2resentation at &@( 5i,, ,ea/ to e3entua, su0#ission o1 that 5or- to H&uro2ean (a/io,og%H, the o11i"ia, ;ourna, o1 &'() /etailed notifications of acceptance an/ 'uidelines for presentation 5i,, 0e sent 0% e#ai, at the en/ o1 :e"e#0er .015) An ear,% noti1i"ation 5i,, 0e a3ai,a0,e at the 0eginning o1 :e"e#0er) Presenters o1 accepted s"ienti1i" 2a2ers (no 1irst or se"on/ authors) 5ho ha3e paid t#eir ESR members#ip fee by Au'ust 20% 201., "an atten/ &@( .016 1or a reduced fee of 62.0) 6his o11er 5i,, on,% 0e a3ai,a0,e if re'istration is finalised by /ecember 10% 201.) Presenters o1 accepted s"ienti1i" 2a2ers wit#out ESR 201. members#ip an/ authors o1 re1ected s"ienti1i" 2a2ers "an atten/ &@( .016 1or the 7early fees7) 6his o11er 5i,, on,% 0e a3ai,a0,e 1ro# the 2oint o1 noti1i"ation in ear,% :e"e#0er until /ecember 10% 201.) P,ease note that there 5i,, 0e no refund 1or 1ees a,rea/% 2ai/) Contacts Neutorgasse 9, 1010 Vienna, Austria Phone:(+43J1) 533 40 640 F et) 46 ai,: #anue,a)ge5ess,er$#%&'()org htt2:JJ#%&'()org