Mucinous rectal cancer: concepts and imaging challenges.
Computed tomography
Magnetic resonance imaging
Mucin
Positron emission tomography
Rectal neoplasms
Journal
Abdominal radiology (New York)
ISSN: 2366-0058
Titre abrégé: Abdom Radiol (NY)
Pays: United States
ID NLM: 101674571
Informations de publication
Date de publication:
11 2019
11 2019
Historique:
pubmed:
18
4
2019
medline:
22
10
2020
entrez:
18
4
2019
Statut:
ppublish
Résumé
Rectal adenocarcinoma with mucinous components is an uncommon type of rectal cancer with two distinct histologic subtypes: mucinous adenocarcinoma and signet-ring cell carcinoma. Mucin can also be identified as pattern of response after neoadjuvant treatment. On imaging modalities, mucin typically demonstrates high signal intensity on T2-weighted images, low attenuation on computed tomography, and may be negative on 18-fluorodeoxyglucose positron emission tomography. After neoadjuvant CRT, cellular and acellular mucin share similar imaging features, and differentiating them is currently the main challenge faced by radiologists. Radiologists should be aware of pros, cons, and limitations of each imaging modality in the primary staging and restaging to avoid misinterpretation of the radiological findings.
Identifiants
pubmed: 30993392
doi: 10.1007/s00261-019-02019-x
pii: 10.1007/s00261-019-02019-x
pmc: PMC7357860
mid: NIHMS1606611
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
3569-3580Subventions
Organisme : NCI NIH HHS
ID : P30 CA008748
Pays : United States
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