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RADIONUCLIDE SCAN

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RADIONUCLIDE SCAN

AKA BONE SCAN/BONE SCINTIGRAPHY

FUNCTIONAL SCAN

MEASURE METABOLIC ACTIVITY,

PERFUSION OF BONE

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TECHNIQUE

INJECT PATIENT WITH RADIONUCLIDE MATERIAL SUCH AS

TECHNITIUM M-99 LABELLED DIPHOSPHANATE

LABELLED DIPHOSPHANATE BINDS TO HYDROXYAPATITTE OF BONE

TECNITIUM M-99 UNDERGOING RADIODECAY AND GIVES OUT GAMMA

RADIATION

RADIATION IS CAPTURED BY A GAMMA RAY SCANNER

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INDICATION

D!"!#$% &%' ($))$* + $( !&.!&!#" '#.&.

D#((%!#&!#$% 0!*% $.!$1)#!#. &%' "))+)#!#.

D!#%&!#$% $( 0$% 2#&0#)#!13 #%("!#$% $ &2&."+)& %"$.#.

E2&)+&!#$% $( (&"!+. '#((#"+)! !$ &.... $% &'#$4&5 6.!.. (&"!+.,(&"!+. $( "$)7 .!+"!+. &%' $..#0) (&"!+. #% %$%&""#'%!&) #%8+#.

$( "5#)'%

E2&)+&!#$% $( $.!5!#" 8$#%!. ($ #%("!#$% $ )$$.%#%4

D!#%&!#$% $( 0#$.1 .#!E2&)+&!#$% $( 0$% % #% &!#%!. *#!5 %$&) $ :+#2$"&) &'#$4&5.

E2&)+&!#$% $( !5 .#4%#(#"&%" $( &% #%"#'%!&) .;)!&) (#%'#%4 $% &'#$4&5.

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3 PHASES OF SCAN

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- S"$%' P5&.3

- )&!#2 2&."+)!1=

- ."$%' 5&., !5 0)$$'-$$) #&4, #. $0!%' *#!5#% ? #% &(! #%8"!#$%=

- #% &&. $( #%()&&!#$%, ")). '#)&!, "&+.#%4 #%"&.' 0)$$' ()$* &%' 0)$$' $$)#%4@

- ")&..#"&))1, *#!5 "))+)#!#., '#((+. #%"&.' +!&; $""+. #% (#.! !*$ 5&.., 0+! +!&; #. %) $ '#((+.)1 #%"&.'#% !5#' 5&.=

- $.!$1)#!#. "&+.. ($"&))1 #%"&.' +!&; #% &)) !5 5&..=

- (#.! 5&. "5&&"!#. !5 0)$$' ()$* !$ !5 &&, *5#) !5 >%' 2#.+&)#. !5 0)$$' $$)=

- !5. > &)1 5&.. &"! !$ "5&&"!# '4 $( #%()&&!#$% &%' 51#& !5&! &1 0 .%!=

- '#.&.. .+"5 &. '4%&!#2 '#.&., 5&)#%4 (&"!+., %$%- #%("!' $.!5.#. *#!5 )$$.%#%4, *)) !&!'$.!$1)#!#., &1 5&2

)#!!) &0%$&) &"!#2#!1 $% !5 &)1 5&.. #% .#! $( #%"&. +!&; $% ')&1' #&4.=

- #! &1 0 '#((#"+)! !$ '#.!#%4+#.5 $.!$1)#!#. ($ '#&0!#" $.!$&!5$&!51, *5#"5 & $(!% &0%$&) $% &))

5&..=

- #% "$%!&.!, & .$(! !#..+ #%("!#$% ")&..#"&))1 &&. $%)1 #% &)1 5&.., *#!5 )#!!) &0%$&) ($"&) 0$%

&"!#2#!1 .% $% ')&1' #&4.=

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- T5#' P5&.3

- '$%.!&!. )&!#2 0$% !+%$2 &..$"#&!' */ & ).#$%=

- ' 5&., 0$% #&4, #. $0!%' &0$+! 5 )&!, *5% +#%&1 7"!#$% 5&.

'"&.' !5 &$+%! $( !5 &'#$%+")#' #% .$(! !#..+.@

- #( .%!, '#((+. #%" +!&; #% !5#' 5&. #. $0&0)1 '+ !$ 4#$%&)

51#& "&+.' 01 "))+)#!#.=

- $.!$1)#!#. "&+.. ($"&))1 #%"&.' +!&; #% &)) !5 5&..=

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ADVANTAGE OX BONE SCAN

FRACTURE3 IF DIAGNOSIS IS UNCERTAIN BY

X RAY@

CALLUS FORMATION TAKES WEEKS TO BE

SEEN IN A VERY SMALL FRACTURE

BUT OSTEOGENIC RESPONSE CAN BE

PICKED UP EARLIER