🔴Dissection is along the avascular alveolar plane between the presacral and mesorectal fascia, described as holy plane (Heald’s “holy plane”).
🔴The mesorectum refers to a fatty connective tissue layer, measuring 2–3 cm in thickness, with associated vessels, lymphatics and lymph nodes, which surrounds the rectum and is enveloped by fascia.
🔴mesorectal dissection occurs in a total avascular plane that, once identified, can be easily dissected, exposing ‘the white side of the yellow’ as Heald first described in 1979. As the posterior dissection continues downward, the mesorectum looks more and more bilobate (indicating a good quality of the dissection) until it thins out and disappears. Once again traction and counter traction are essential in lateral and anterior resection to identify the dissection plane.
🔴The relationship of the rectum and pelvic autonomic nerves during open surgery when standing on the patient’s left. The ligation of the inferior mesenteric artery should be performed 1.5–2 cm from its origin from the aorta to avoid damaging the superior hypogastric plexus. At the pelvis, for posterior and lateral tumours, dissection should be directed below the Denonvillliers fascia to avoid damaging the neurovascular bundles that run along the tip of the seminal vesicle (2 and 10 o’clock directions).
My name is Rodrigo Arrangoiz I am a breast surgeon/ thyroid surgeon / parathyroid surgeon / head and neck surgeon / surgical oncologist that works at Center for Advanced Surgical Oncology in Miami, Florida.
I was trained as a surgeon at Michigan State University from (2005 to 2010) where I was a chief resident in 2010. My surgical oncology and head and neck training was performed at the Fox Chase Cancer Center in Philadelphia from 2010 to 2012. At the same time I underwent a masters in science (Clinical research for health professionals) at the University of Drexel. Through the International Federation of Head and Neck Societies / Memorial Sloan Kettering Cancer Center I performed a two year head and neck surgery and oncology / endocrine fellowship that ended in 2016.
Mi nombre es Rodrigo Arrangoiz, soy cirujano oncólogo / cirujano de tumores de cabeza y cuello / cirujano endocrino que trabaja Center for Advanced Surgical Oncology en Miami, Florida.
Fui entrenado como cirujano en Michigan State University (2005 a 2010 ) donde fui jefe de residentes en 2010. Mi formación en oncología quirúrgica y e n tumores de cabeza y cuello se realizó en el Fox Chase Cancer Center en Filadelfia de 2010 a 2012. Al mismo tiempo, me sometí a una maestría en ciencias (investigación clínica para profesionales de la salud) en la Universidad de Drexel. A través de la Federación Internacional de Sociedades de Cabeza y Cuello / Memorial Sloan Kettering Cancer Center realicé una sub especialidad en cirugía de cabeza y cuello / cirugia endocrina de dos años que terminó en 2016.
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Rodrigo Arrangoiz MS, MD, FACS, FSSO 