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Review rectum and bladder status
Is rectum ≥50%
different from
planning scan?
(see example Figure
1)
YES
NO
Discuss with patient and check
correct used of rectal
preparation (as per J-CH-059).
Record rectal status on S-RT-
083-02.
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.
Offline
decision making soft tissue matching
Prostate +/- Seminal Vesicles only
Record
‘Bladder status good
’ on XVI log S-
RT-083-02
Is bladder under-
filled?
Record
‘Rectal status ‘good
’ on
log S-RT-083-02
YES
NO
Encourage hydration and
record
‘under-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).
Courtesy of Steven Landeg, RMH