8 block artifact, Block artifact – Leica Biosystems PELORIS_PELORIS II User Manual
Page 148
Troubleshooting
Leica PELORIS™ User Manual Rev K © Leica Biosystems Melbourne Pty Ltd 2011
148
9.2.8 Block Artifact
Soft ti
ssue
T
issue shrinkag
e
Swea
ti
ng ti
ssu
e
Insuffi
cie
nt
proce
ssing
ti
me
Inc
re
ase
proce
ssing
time
Adjust thresholds
In
correct
re
age
nt
thr
e
sh
o
ld
s
Dec
re
ase
tissue si
ze
wh
en
p
roc
essi
ng
Insu
fficient
cle
ar
in
g,
dehydration and/
or in
fi
lt
ra
ti
on
In
cr
ea
se p
rot
oc
ol
ste
p
ti
me
s
Increa
se
fi
xat
io
n
In
app
rop
ri
at
e
fi
xat
io
n
Insu
ff
ic
ien
t
de
hyd
rat
io
n
Incre
ase
de
hydr
at
io
n
st
ep
s
In
cre
ase
cl
ea
ri
ng
Insuffi
cie
nt
ti
ssu
e c
lea
ri
ng
Insuffi
cie
nt
dehydration
Opa
qu
e b
loc
k
Incr
ease dehydration
ste
ps
Inc
rea
se pro
ces
sin
g
Insuffi
cie
nt
pro
ces
sing
Alway
s
try
to e
n
sure
that pr
otocol l
ength
is
cor
rect
for the size
of the
tissue
E
n
su
re
re
ag
en
ts ar
e c
lea
n
an
d at
co
rr
e
ct
pu
ri
ty
E
n
su
re
r
e
a
g
en
ts
ar
e
cle
an
a
n
d
at
co
rr
ect
puri
ty