<s>
Urethroscopy	B-Algorithm
is	O
examination	O
of	O
the	O
interior	O
of	O
the	O
urethra	O
,	O
and	O
sometimes	O
also	O
the	O
bladder	O
,	O
using	O
a	O
urethroscope	B-Algorithm
,	O
which	O
is	O
a	O
very	O
small	O
camera	O
on	O
the	O
end	O
of	O
a	O
rigid	O
or	O
flexible	O
probe	O
.	O
</s>
<s>
It	O
is	O
performed	O
by	O
a	O
urethroscopist	B-Algorithm
.	O
</s>
