Magnetic resonance imaging of rectal cancer: staging and restaging evaluation

Courtney C. Moreno, Patrick S. Sullivan, Bobby T. Kalb, Russell G. Tipton, Krisztina Z. Hanley, Hiroumi D. Kitajima, W. Thomas Dixon, John R. Votaw, John N. Oshinski, Pardeep Kumar Mittal

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

Magnetic resonance imaging is used to non-invasively stage and restage rectal adenocarcinomas. Accurate staging is important as the depth of tumor extension and the presence or absence of lymph node metastases determines if an individual will undergo preoperative neoadjuvant chemoradiation. Accurate description of tumor location is important for presurgical planning. The relationship of the tumor to the anal sphincter in addition to the depth of local invasion determines the surgical approach used for resection. High-resolution T2-weighted imaging is the primary sequence used for initial staging. The addition of diffusion-weighted imaging improves accuracy in the assessment of treatment response on restaging scans. Approximately 10%–30% of individuals will experience a complete pathologic response following chemoradiation with no residual viable tumor found in the resected specimen at histopathologic assessment. In some centers, individuals with no residual tumor visible on restaging MR who are thought to be at high operative risk are monitored with serial imaging and a “watch and wait” approach in lieu of resection. Normal rectal anatomy, MR technique utilized for staging and restaging scans, and TMN staging are reviewed. An overview of surgical techniques used for resection including newer, minimally invasive endoluminal techniques is included.

Original languageEnglish (US)
Pages (from-to)2613-2629
Number of pages17
JournalAbdominal Imaging
Volume40
Issue number7
DOIs
StatePublished - Oct 29 2015
Externally publishedYes

Fingerprint

Neoplasm Staging
Rectal Neoplasms
Magnetic Resonance Imaging
Residual Neoplasm
Neoplasms
Anal Canal
Anatomy
Adenocarcinoma
Lymph Nodes
Neoplasm Metastasis

Keywords

  • Magnetic resonance imaging
  • Rectal adenocarcinoma
  • Rectal cancer staging

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology

Cite this

Moreno, C. C., Sullivan, P. S., Kalb, B. T., Tipton, R. G., Hanley, K. Z., Kitajima, H. D., ... Mittal, P. K. (2015). Magnetic resonance imaging of rectal cancer: staging and restaging evaluation. Abdominal Imaging, 40(7), 2613-2629. https://doi.org/10.1007/s00261-015-0394-z

Magnetic resonance imaging of rectal cancer : staging and restaging evaluation. / Moreno, Courtney C.; Sullivan, Patrick S.; Kalb, Bobby T.; Tipton, Russell G.; Hanley, Krisztina Z.; Kitajima, Hiroumi D.; Dixon, W. Thomas; Votaw, John R.; Oshinski, John N.; Mittal, Pardeep Kumar.

In: Abdominal Imaging, Vol. 40, No. 7, 29.10.2015, p. 2613-2629.

Research output: Contribution to journalReview article

Moreno, CC, Sullivan, PS, Kalb, BT, Tipton, RG, Hanley, KZ, Kitajima, HD, Dixon, WT, Votaw, JR, Oshinski, JN & Mittal, PK 2015, 'Magnetic resonance imaging of rectal cancer: staging and restaging evaluation', Abdominal Imaging, vol. 40, no. 7, pp. 2613-2629. https://doi.org/10.1007/s00261-015-0394-z
Moreno CC, Sullivan PS, Kalb BT, Tipton RG, Hanley KZ, Kitajima HD et al. Magnetic resonance imaging of rectal cancer: staging and restaging evaluation. Abdominal Imaging. 2015 Oct 29;40(7):2613-2629. https://doi.org/10.1007/s00261-015-0394-z
Moreno, Courtney C. ; Sullivan, Patrick S. ; Kalb, Bobby T. ; Tipton, Russell G. ; Hanley, Krisztina Z. ; Kitajima, Hiroumi D. ; Dixon, W. Thomas ; Votaw, John R. ; Oshinski, John N. ; Mittal, Pardeep Kumar. / Magnetic resonance imaging of rectal cancer : staging and restaging evaluation. In: Abdominal Imaging. 2015 ; Vol. 40, No. 7. pp. 2613-2629.
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