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which one is true about sideroblastic anemia? - lsa
#1
Kaplan IM note page 179: 2004-2005 ed
S ferritin normal,TIBC very loe b/c transferrin saturation is very high,s Fe high.

FATongueage 196 2004 ed
S Fe high,TIBC high or normal,S ferritin high.

UW explanation:
S Fe high,TIBC high,didn't say anything about ferritin.
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#2
Hay guys no body there?
Cris or simonsez where are you?
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#3
high serum Fe, normal TIBC, normal to high ferritin
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#4
hi lsa,
how are u doing???
here is what I follow for sideroblastic anemia(i read goljan which I BELIEVE IS THE BEST SOURCE FOR HEMATOLOGY)
MCV:LOW
s erum Fe:high
TIBC: low
% sat: high
serum ferritin:high
rdw:normal
rbc count:low
rbc fep:high(pb poisoning)
hb electrophoresis:normal
marrow iron: increased
tHE PATHOGENESIS INVLOVES decreases Hb synthesis and cytoplasmic maturation defect, the Fe is not being used and thus increased with the resulting parameter changes. If u want the info to come from a more authentic source look it up in Robbins pathology.
chill

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#5
So you see kaplans are right ...safe to follow them.
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#6
Baseline is that once Fe saturation is high,TIBC must be low or at the worst near-normal.TIBC indicates what % of ferritin is available for Fe binding;so cannot be high when Fe is high.
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#7
hi,

TIBC is the opposite of serum ferritin, not serum iron.

e.g. in anemia of chronid disease, serum iron is low and TIBC is low as well..

you need to remember about sideroblastic anemia that it is the only anemia with high serum iron becuase it's defect in heme synthesis so there is iron overload.

and serum ferritin is high as well so TIBC is low.
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