1316-1317 / 3581
NB
All operators must have completed competency assessment (S-WB-019) to carry out prostate soft tissue
matching. It may be necessary for clinical lead or urology clinician to review imaging offline.
Review rectum and bladder status
Is rectum ≥50%
different from
planning scan?
YES
Discuss with patient and check
correct used of rectal
preparation (as per J-CH-059).
Record rectal status on S-RT-
083-02.
Offline
decision making for CBCT verification
Prostate and nodes
Record
‘Bladder status good
’ on XVI log S-
RT-083-02
Is bladder over or
under-filled?
Record
‘Rectal status ‘good
’ on log S-RT-083-02
NO
YES
NO
Under-filled:
Encourage
hydration.
Over-filled:
Discuss bladder
preparation (J-CH-053-02)
with patient. If consistently
over-filled discuss with clinical
team.
Record
‘under
or
over-filled
bladder’
on XVI log S-RT-
083-02.
Figure 1
: Planning scan (top) showing large
gas filled rectum. CBCT (bottom) showing
smaller, stool filled rectum on treatment
(~50% smaller).
S-CH-364
Courtesy of Steven Landeg, RMH