The Importance of Preoperative Staging of Rectal Cancer Using  ultiparametric MRI   Part II: TNM Cancer Staging

Bauer, Ferdinand

doi:10.21614/chirurgia.111.6.463

Cited by 1 publication

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“…Another important part of the MRI rectal protocol is the preparation of diffusionweighted sequences (DWI-MRI) including the quantitative measurement of ADC values (apparent diffusion coefficient), which in particular provides valuable additional information for the evaluation of therapy response after neoadjuvant radiochemotherapy. DWI is also very helpful for detection of lymph nodes (Figure 2), but it is not suitable for determining their benignity or malignancy, because in both cases the lymph nodes have a high cellularity [2].…”

Section: Examination Protocolmentioning

confidence: 99%

Imaging and Diagnosis for Planning the Surgical Procedure

Bauer¹

2021

Colorectal Cancer

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The preoperative imaging diagnosis of rectal cancer lies at the heart of oncological staging and has a crucial influence on patient management and therapy planning. Rectal cancer is common, and accurate preoperative staging of tumors using high-resolution magnetic resonance imaging (MRI) is a crucial part of modern multidisciplinary team management (MDT). Indeed, rectal MRI has the ability to accurately evaluate a number of important findings that maBay impact patient management, including distance of the tumor to the mesorectal fascia, presence of lymph nodes, presence of extramural vascular invasion (EMVI), and involvement of the anterior peritoneal reflection/peritoneum and the sphincter complex. Many of these findings are difficult to assess in non-expert hands. In this chapter, we present currently used staging modalities with focus on MRI, including optimization of imaging techniques, tumor staging, interpretation help as well as essentials for reporting.

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Section: Examination Protocolmentioning

confidence: 99%