MRI of Rectal Cancer

Schäfer, Arnd-Oliver; Langer, Mathias

doi:10.1007/978-3-540-72833-7

Cited by 7 publications

(2 citation statements)

References 45 publications

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“…Seine Faszie fusioniert mit dem Faszienüberzug des M. levator ani. Daher gilt bei Karzinomen des unteren Drittels der Levatorrand als zirkumferenzieller Resektionsrand 3 .…”

Section: Anatomische Grundlagenunclassified

State-of-the-Art-Bildgebung des Rektumkarzinoms

Schäfer¹

2022

Onkologie up2date

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ZusammenfassungDas Rektumkarzinom zählt zu den aggressiven Krebsarten, da es zur Ausbildung von Metastasen und Rezidiven neigt. Vor diesem Hintergrund entstand das Konzept der risikoadaptierten Patientenselektion zu multimodalen Therapien. Das Portfolio der Auswahlkriterien wird durch die differenzierte Analyse neuester Daten kontinuierlich angepasst, wobei die spezialisierte MRT als Gatekeeper im Zentrum der Therapieentscheidung steht.

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“…Seine Faszie fusioniert mit dem Faszienüberzug des M. levator ani. Daher gilt bei Karzinomen des unteren Drittels der Levatorrand als zirkumferenzieller Resektionsrand 3 .…”

Section: Anatomische Grundlagenunclassified

State-of-the-Art-Bildgebung des Rektumkarzinoms

Schäfer¹

2022

Onkologie up2date

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“…Therefore, detailed knowledge of the anatomy of the rectum and its fascial relationships is a major prerequisite for successful treatment. 7 The mesorectum represents the enveloping mesentery of the rectum and contains fatty tissue, vessels, and lymphatics; the mesorectal fascia appears as a fine structure enveloping the mesorectum. 8 The preferred plane for rectal cancer surgery suggested by Heald 9 lies between the fascial layer of the mesorectum (visceral fascia) and the presacral fascia (parietal fascia) that covers the sacrum.…”

Section: Introductionmentioning

confidence: 99%

Pelvic and Lower Gastrointestinal Tract Anatomical Characterization of the Average Male

Saffarzadeh

Eckert²,

Nagle³

et al. 2018

Surg Innov

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Objective. Colorectal surgeons report difficulty in positioning surgical devices in males, particularly those with a narrower pelvis. The objectives of this study were to (1) characterize the anatomy of the pelvis and surrounding soft tissue from magnetic resonance and computed tomography scans from 10 average males (175 cm, 78 kg) and (2) develop a model representing the mean configuration to assess variability. Methods. The anatomy was characterized from existing scans using segmentation and registration techniques. Size and shape variation in the pelvis and soft tissue morphology was characterized using the Generalized Procrustes Analysis to compute the mean configuration. Results. There was considerable variability in volume of the psoas, connective tissue, and pelvis and in surface area of the mesorectum, pelvis, and connective tissue. Subject height was positively correlated with mesorectum surface area (P = .028, R 2 = 0.47) and pelvis volume (P = .041, R 2 = 0.43). The anterior-posterior distance between the inferior pelvic floor muscle and pubic symphysis was positively correlated with subject height (P = .043, r = 0.65). The angle between the superior mesorectum and sacral promontory was negatively correlated with subject height (P = .042, r = −0.65). The pelvic inlet was positively correlated with subject weight (P = .001, r = 0.89). Conclusions. There was considerable variability in organ volume and surface area among average males with some correlations to subject height and weight. A physical trainer model created from these data helped surgeons trial and assess device prototypes in a controllable environment.

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