Quantitative magnetic resonance imaging in rectal carcinoma.
T1 and T2 relaxation times have been calculated in 30 patients with rectal carcinoma and seven patients with a fibrotic pelvic mass. The relaxation times were calculated using a multipoint iterative method with data from seven total saturation recovery and six spin-echo sequences. The results show that the calculated T1 relaxation value is a useful discriminant between carcinoma and pelvic fibrosis and should improve the detection of early tumour recurrence.
Johnson
R J
RJ
Department of Diagnostic Radiology, University of Manchester.
Jenkins
J P
JP
Isherwood
I
I
James
R D
RD
Schofield
P F
PF
D000230:Adenocarcinoma / Q000175:diagnosis*; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003937:Diagnosis, Differential; D005260:Female; D005355:Fibrosis / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis*; D010388:Pelvis / Q000473:pathology; D011183:Postoperative Complications / Q000175:diagnosis; D012004:Rectal Neoplasms / Q000175:diagnosis*