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A Rare Variation of the Inferior Mesenteric Vein with Clinical
CASE REPORT A rare variation of the inferior mesenteric vein with clinical implications Danielle Park, Sarah Blizard, Natalie O’Toole, Sheeva Norooz, Martin Dela Torre, Young Son, Michael McGuinness, Mei Xu Park D, Blizard S, O’Toole N, et al. A rare variation of the inferior the middle colic vein. The superior mesenteric vein then united with the mesenteric vein with clinical implications. Int J Anat Var. Mar 2019;12(1): splenic vein to become the hepatic portal vein. Awareness of this uncommon 024-025. anatomy of the inferior mesenteric vein is important in planning a successful gastrointestinal surgery. Several variations of the inferior mesenteric vein have been previously described. However, this report presents a rare variation that has not yet been noted. In this case, the small inferior mesenteric vein drained into a Key Words: Inferior mesenteric vein; Marginal vein; Middle colic vein; Superior tributary of the marginal vein, which joined the superior mesenteric vein via mesenteric vein INTRODUCTION he portal venous system consists of four large veins: the hepatic portal, Tsplenic (SV), superior mesenteric (SMV) and inferior mesenteric (IMV). The SMV collects the venous return from the small intestine, stomach, pancreas, cecum, ascending colon and proximal portion of the transverse colon. The SMV tributaries include the small intestine, right gastro-omental, inferior pancreaticoduodenal, ileocolic, right colic, middle colic (MCV) and marginal (MarV) veins. The IMV receives the blood from the superior rectal, sigmoid and left colic veins, which cover the distal portion of the transverse colon, descending colon, sigmoid colon and superior rectum. According to the description by Thompson in 1890, the portal vein tributaries are categorized into four types [1]. -
Anatomy of Abdominal Incisions
ANATOMY FOR THE MRCS but is time-consuming. A lower midline incision is needed for an Anatomy of abdominal emergency Caesarean section (where minutes may be crucial for baby and mother). The surgeon must also be sure of the pathol- incisions ogy before performing this approach. Close the Pfannenstiel and start again with a lower midline if the ‘pelvic mass’ proves to be Harold Ellis a carcinoma of the sigmoid colon! There are more than one dozen abdominal incisions quoted in surgical textbooks, but the ones in common use today (and which the candidate must know in detail) are discussed below. The midline incision (Figures 1–4) Opening the abdomen is the essential preliminary to the per- formance of a laparotomy. A correctly performed abdominal The midline abdominal incision has many advantages because it: exposure is based on sound anatomical knowledge, hence it is a • is very quick to perform common question in the Operative Surgery section of the MRCS • is relatively easy to close examination. • is virtually bloodless (no muscles are cut or nerves divided). • affords excellent access to the abdominal cavity and retroperi- toneal structures Incisions • can be extended from the xiphoid to the pubic symphysis. Essential features If closure is performed using the mass closure technique, pros- The surgeon needs ready and direct access to the organ requir- pective randomized clinical trials have shown no difference in ing investigation and treatment, so the incision must provide the incidence of wound dehiscence or incisional hernia com- sufficient room for the procedure to be performed. The incision pared with transverse or paramedian incisions.1 should (if possible): The upper midline incision is placed exactly in the midline • be capable of easy extension (to allow for any enlargement of and extends from the tip of the xiphoid to about 1 cm above the scope of the operation) the umbilicus. -
Anterior Abdominal Wall
Abdominal wall Borders of the Abdomen • Abdomen is the region of the trunk that lies between the diaphragm above and the inlet of the pelvis below • Borders Superior: Costal cartilages 7-12. Xiphoid process: • Inferior: Pubic bone and iliac crest: Level of L4. • Umbilicus: Level of IV disc L3-L4 Abdominal Quadrants Formed by two intersecting lines: Vertical & Horizontal Intersect at umbilicus. Quadrants: Upper left. Upper right. Lower left. Lower right Abdominal Regions Divided into 9 regions by two pairs of planes: 1- Vertical Planes: -Left and right lateral planes - Midclavicular planes -passes through the midpoint between the ant.sup.iliac spine and symphysis pupis 2- Horizontal Planes: -Subcostal plane - at level of L3 vertebra -Joins the lower end of costal cartilage on each side -Intertubercular plane: -- At the level of L5 vertebra - Through tubercles of iliac crests. Abdominal wall divided into:- Anterior abdominal wall Posterior abdominal wall What are the Layers of Anterior Skin Abdominal Wall Superficial Fascia - Above the umbilicus one layer - Below the umbilicus two layers . Camper's fascia - fatty superficial layer. Scarp's fascia - deep membranous layer. Deep fascia : . Thin layer of C.T covering the muscle may absent Muscular layer . External oblique muscle . Internal oblique muscle . Transverse abdominal muscle . Rectus abdominis Transversalis fascia Extraperitoneal fascia Parietal Peritoneum Superficial Fascia . Camper's fascia - fatty layer= dartos muscle in male . Scarpa's fascia - membranous layer. Attachment of scarpa’s fascia= membranous fascia INF: Fascia lata Sides: Pubic arch Post: Perineal body - Membranous layer in scrotum referred to as colle’s fascia - Rupture of penile urethra lead to extravasations of urine into(scrotum, perineum, penis &abdomen) Muscles . -
SŁOWNIK ANATOMICZNY (ANGIELSKO–Łacinsłownik Anatomiczny (Angielsko-Łacińsko-Polski)´ SKO–POLSKI)
ANATOMY WORDS (ENGLISH–LATIN–POLISH) SŁOWNIK ANATOMICZNY (ANGIELSKO–ŁACINSłownik anatomiczny (angielsko-łacińsko-polski)´ SKO–POLSKI) English – Je˛zyk angielski Latin – Łacina Polish – Je˛zyk polski Arteries – Te˛tnice accessory obturator artery arteria obturatoria accessoria tętnica zasłonowa dodatkowa acetabular branch ramus acetabularis gałąź panewkowa anterior basal segmental artery arteria segmentalis basalis anterior pulmonis tętnica segmentowa podstawna przednia (dextri et sinistri) płuca (prawego i lewego) anterior cecal artery arteria caecalis anterior tętnica kątnicza przednia anterior cerebral artery arteria cerebri anterior tętnica przednia mózgu anterior choroidal artery arteria choroidea anterior tętnica naczyniówkowa przednia anterior ciliary arteries arteriae ciliares anteriores tętnice rzęskowe przednie anterior circumflex humeral artery arteria circumflexa humeri anterior tętnica okalająca ramię przednia anterior communicating artery arteria communicans anterior tętnica łącząca przednia anterior conjunctival artery arteria conjunctivalis anterior tętnica spojówkowa przednia anterior ethmoidal artery arteria ethmoidalis anterior tętnica sitowa przednia anterior inferior cerebellar artery arteria anterior inferior cerebelli tętnica dolna przednia móżdżku anterior interosseous artery arteria interossea anterior tętnica międzykostna przednia anterior labial branches of deep external rami labiales anteriores arteriae pudendae gałęzie wargowe przednie tętnicy sromowej pudendal artery externae profundae zewnętrznej głębokiej -
Surface Anatomy
BODY ORIENTATION OUTLINE 13.1 A Regional Approach to Surface Anatomy 398 13.2 Head Region 398 13.2a Cranium 399 13 13.2b Face 399 13.3 Neck Region 399 13.4 Trunk Region 401 13.4a Thorax 401 Surface 13.4b Abdominopelvic Region 403 13.4c Back 404 13.5 Shoulder and Upper Limb Region 405 13.5a Shoulder 405 Anatomy 13.5b Axilla 405 13.5c Arm 405 13.5d Forearm 406 13.5e Hand 406 13.6 Lower Limb Region 408 13.6a Gluteal Region 408 13.6b Thigh 408 13.6c Leg 409 13.6d Foot 411 MODULE 1: BODY ORIENTATION mck78097_ch13_397-414.indd 397 2/14/11 3:28 PM 398 Chapter Thirteen Surface Anatomy magine this scenario: An unconscious patient has been brought Health-care professionals rely on four techniques when I to the emergency room. Although the patient cannot tell the ER examining surface anatomy. Using visual inspection, they directly physician what is wrong or “where it hurts,” the doctor can assess observe the structure and markings of surface features. Through some of the injuries by observing surface anatomy, including: palpation (pal-pā sh ́ ŭ n) (feeling with firm pressure or perceiving by the sense of touch), they precisely locate and identify anatomic ■ Locating pulse points to determine the patient’s heart rate and features under the skin. Using percussion (per-kush ̆ ́ŭn), they tap pulse strength firmly on specific body sites to detect resonating vibrations. And ■ Palpating the bones under the skin to determine if a via auscultation (aws-ku ̆l-tā sh ́ un), ̆ they listen to sounds emitted fracture has occurred from organs. -
The Development of the Anterior Abdominal Wall in the Rat in the Light of a New Anatomical Description
J. Anat. (1982), 134, 2, pp. 237-242 237 With 8 figures Printed in Great Britain The development of the anterior abdominal wall in the rat in the light of a new anatomical description N. N. RIZK AND N. ADIEB Department ofAnatomy, Faculty ofMedicine, Cairo University (Accepted 9 March 1981) INTRODUCTION A new anatomical description of the anterior abdominal wall has been given recently (Rizk, 1976, 1980). It describes each abdominal aponeurosis as bilaminar and each wall of the rectus sheath as trilaminar. The fibres of all aponeurotic layers, in all mammals studied, cross the middle line to form digastric muscles with the corresponding aponeurotic layers of the opposite side. This description raises the question of the developmental origin of such a structure. A point of controversy to be settled is the mesodermal origin of the abdominal muscles. Some authors describe the thoracic myotomes as extending ventrally to form the ventrolateral muscles of the thorax and the abdomen (Bardeen & Lewis, 1901; Patten, 1964; Arey, 1965; Hamilton, Boyd & Mossmanw 1972). However, more recently Snell (1975) stated that the abdominal muscles differentiate locally from the mesenchyme of the somatopleure. The further course of development of the abdominal mesoderm is a point of agreement between some investigators (Hamilton et al. 1972; Snell, 1975), but the literature seems to be deficient in embryo- logical reports that could be related to the new anatomical description. The present work describes the development of the ventrolateral abdominal muscles of the albino rat in the light of this description. MATERIALS AND METHODS Sixty albino rat embryos, from twenty two different mothers, were studied starting from the 10th postcoitum (pc) day to the 30th day after birth. -
Netter's Anatomy Flash Cards – Section 4 – List 4Th Edition
Netter's Anatomy Flash Cards – Section 4 – List 4th Edition https://www.memrise.com/course/1577335/ Section 4 Abdomen (31 cards) Plate 4-1 Bony Framework of Abdomen 1.1 Costal cartilages 1.2 Iliac crest 1.3 Anterior superior iliac spine 1.4 Anterior inferior iliac spine 1.5 Superior pubic ramus 1.6 Pubic arch 1.7 Pecten pubis 1.8 Greater trochanter of femur 1.9 Ischial spine 1.10 Iliac crest 1.11 Xiphoid process 1.12 Body of sternum Plate 4-2 Anterior Abdominal Wall: Superficial Dissection 2.1 External oblique muscle: muscular part (A) and aponeurotic part (B) Plate 4-3 Anterior Abdominal Wall 3.1 Internal oblique muscle Plate 4-4 Anterior Abdominal Wall 4.1 Rectus abdominis muscle Plate 4-5 Anterior Abdominal Wall 5.1 Cremaster muscle Plate 4-6 Anterior Abdominal Wall: 6.1 Superior epigastric vessels 6.2 Rectus abdominis muscle 6.3 Transversus abdominis muscle 6.4 Posterior layer of rectus sheath 6.5 Inferior epigastric vessels 6.6 Inguinal ligament (Poupart’s ligament) 6.7 Inguinal falx (conjoint tendon) 6.8 Cremasteric muscle (middle spermatic fascia) 6.9 Lacunar ligament (Gimbernat’s ligament) 6.10 Medial umbilical ligament (occluded part of umbilical artery) 6.11 Arcuate line 6.12 Transversalis fascia 6.13 Anterior layer of rectus sheath 6.14 Linea alba Plate 4-7 Posterior Abdominal Wall: Internal View 7.1 Quadratus lumborum muscle Plate 4-8 Posterior Abdominal Wall: Internal View 8.1 Diaphragm Plate 4-9 Autonomic Nerves and Ganglia of Abdomen 9.1 Right greater and lesser splanchnic nerves 9.2 Right sympathetic trunk 9.3 2nd and -
Variations in Right Colic Vascular Anatomy Observed During
Wu et al. World Journal of Surgical Oncology (2019) 17:16 https://doi.org/10.1186/s12957-019-1561-4 RESEARCH Open Access Variations in right colic vascular anatomy observed during laparoscopic right colectomy Chuying Wu†, Kai Ye*†, Yiyang Wu, Qiwei Chen, Jianhua Xu, Jianan Lin and Wengui Kang Abstract Background: This study aimed to analyze right colonic vascular variability. Methods: The study included 60 consecutive patients who underwent laparoscopic radical right colectomy and D3 lymph node dissection for malignant colonic cancer on the ileocecal valve, ascending colon or hepatic flexure (March 2013 to October 2016). The videos of the 60 surgical procedures were collected. Variations of right colonic vascular anatomy were retrospectively analyzed based on 60 high-resolution surgical videos of laparoscopic surgery. Results: The superior mesenteric artery and vein were present in all cases; 95.0% (57/60) had the superior mesenteric artery on the left side of the superior mesenteric vein. The ileocolic artery and vein occurred in 96.7% (58/60) and 100% (60/60) of cases, respectively; 50.0% (29/58) had the ileocolic artery passing the superior mesenteric vein anteriorly. Thirty-three (55.0%) cases had a right colic artery, and 2 (3.33%) had a double right colic artery; 90.9% (30/36) had the right colic vein passing anterior to the superior mesenteric artery. Fifty-six (93.3%) cases had a right colic vein; 7 (12.5%) had a right colic vein accompanied by a right colic artery, 66.1% (37/56) had the right colic vein draining into the gastrocolic trunk of Henle, 23.2% (13/56) had the right colic vein directly draining into superior mesenteric vein, and 10.7% (6/56) had one right colic vein draining into the superior mesenteric vein and the other into the gastrocolic trunk of Henle. -
Hepatic Portal System (Advanced) USMLE, Limited Edition > Gross Anatomy > Gross Anatomy
Hepatic Portal System (Advanced) USMLE, Limited Edition > Gross Anatomy > Gross Anatomy Hepatic portal system • A special circulation system that transports venous blood from the digestive organs to the liver. • Transports blood from the stomach, spleen, pancreas, and small and large intestines to the liver. This distinct circulatory pathway exists to allow the liver to metabolize nutrients and toxins from blood that leaves the digestive organs. Primary tributaries of the hepatic portal vein: Superior mesenteric vein Drains tissues of the right side of the abdomen. - Ileocolic vein drains blood from the distal small intestine and the proximal large intestine - Right colic vein courses from the right side of the abdomen to drain blood from the large intestine - Middle colic vein drains blood from the large intestine. - Intestinal veins drain the jejunum and ileum of the small intestine. These drain into the left side of the superior mesenteric vein. - Pancreatic and duodenal veins - Right gastro-omental vein, which runs along the inferior border of the stomach (aka, greater curvature), drains into the superior mesenteric vein. • The "omental" portion of the gastro-omental name is derived from the greater "omentum," the apron-like fold of peritoneum that drapes over the intestines anteriorly. Splenic vein Drains structures on the left side of the abdomen. - Merges with superior mesenteric vein to form hepatic portal vein - Short gastric veins from stomach - Left gastro-omental vein, which courses along the inferior border of the stomach and meets the right gastro-omental vein. - Pancreatic veins - Inferior mesenteric vein Inferior mesenteric vein 1 / 2 Drains tissues of the lower left side of the abdomen into the splenic vein. -
Tendinous Inscriptions of the Rectus Abdominis: a Comprehensive Review
Providence St. Joseph Health Providence St. Joseph Health Digital Commons Journal Articles and Abstracts 8-4-2018 Tendinous Inscriptions of the Rectus Abdominis: A Comprehensive Review. Rabjot Rai Lilian C Azih Joe Iwanaga Marios Loukas Martin Mortazavi See next page for additional authors Follow this and additional works at: https://digitalcommons.psjhealth.org/publications Part of the Neurology Commons, and the Pathology Commons Recommended Citation Rai, Rabjot; Azih, Lilian C; Iwanaga, Joe; Loukas, Marios; Mortazavi, Martin; Oskouian, Rod J; and Tubbs, R Shane, "Tendinous Inscriptions of the Rectus Abdominis: A Comprehensive Review." (2018). Journal Articles and Abstracts. 792. https://digitalcommons.psjhealth.org/publications/792 This Article is brought to you for free and open access by Providence St. Joseph Health Digital Commons. It has been accepted for inclusion in Journal Articles and Abstracts by an authorized administrator of Providence St. Joseph Health Digital Commons. For more information, please contact [email protected]. Authors Rabjot Rai, Lilian C Azih, Joe Iwanaga, Marios Loukas, Martin Mortazavi, Rod J Oskouian, and R Shane Tubbs This article is available at Providence St. Joseph Health Digital Commons: https://digitalcommons.psjhealth.org/publications/792 Open Access Review Article DOI: 10.7759/cureus.3100 Tendinous Inscriptions of the Rectus Abdominis: A Comprehensive Review Rabjot Rai 1 , Lilian C. Azih 2 , Joe Iwanaga 3 , Marios Loukas 4 , Martin Mortazavi 5 , Rod J. Oskouian 6 , R. Shane Tubbs 7 1. Department of Anatomy, St. George's University School of Medicine, St. George's, GRD 2. Hospital, Greater Los Angeles Hospital, Los Angeles, USA 3. Seattle Science Foundation, Seattle, USA 4. -
Inthis Issue
INTHIS ISSUE: Editorial A Note from Your President Report from the Federative International Committee for Scientific Publications (FICSP) of the IFAA Letter from the President and the Immediate Past President of the IFAA News from Anatomical Societies Anatomical Society of Southern Africa (ASSA) Stellenbosch University Anatomy Society (SUAS) New Technology at Stellenbosch University Nelson Mandela University American Association for Anatomist (AAA) Virtual Dissection Database (VDD) Tributes and Obituaries Professor Esperança Pina Professor Emeritus Eugene Wikramanayake Professor Maia A. Dgebuadze Introduction of New Members Society of Clinical Anatomy of Rwanda Melchiorre Gioia Scientific Society (Associate Member) Celebrations Chinese Society for Anatomical Sciences‟ Centennials Other News TEPARG Annual Meeting March 2021 Cartoon Strips from Dr. Anatophil Student contributions From China: Anatomy is the first step for a medical student, Ms Chen Qiaolin Huzhou University, China True Experience of the Anatomical Journey, Xiaotong Wang, Senior Medical Undergraduate, China My anatomical experience, Jian hui Zhang, Huzhou Teachers College, China Importance of anatomy, Nuo Chen, China Application of anatomical knowledge from the perspective of a medical student who has just entered clinical study, Kuan Ni, Hangzhou ,Zhejiang ,China Applied anatomy in clinical medicine, Vicky Wu, China Importance of anatomy in surgical specialities, Kylin Chen, Schools of Medicine and Nursing Sciences, Huzhou Uni- versity, China Thoughts on learning anatomy, Luo Chun, Huzhou Normal University, Zhejiang Province, China From United Kingdom: Reflective piece from Ms Katherine Birt, 2nd Year Biomedical Science student, Cardiff University Art work: Kaihua Ma, Department of Human Anatomy, China Medical University Luke-John Daniels, MSc II student, Division of Clinical Anatomy of Stellenbosch University. -
Gastrocolic Trunk of Henle and Its Variants: Review of the Literature and Clinical Relevance in Colectomy for Right‑Sided Colon Cancer
Surgical and Radiologic Anatomy (2019) 41:879–887 https://doi.org/10.1007/s00276-019-02253-4 REVIEW Gastrocolic trunk of Henle and its variants: review of the literature and clinical relevance in colectomy for right‑sided colon cancer Roberto Peltrini1 · Gaetano Luglio1 · Gianluca Pagano1 · Michele Sacco1 · Viviana Sollazzo1 · Luigi Bucci1 Received: 11 March 2019 / Accepted: 4 May 2019 / Published online: 14 May 2019 © Springer-Verlag France SAS, part of Springer Nature 2019 Abstract Purpose Venous vascular anatomy of the right colon presents a high degree of variability. Henle’s Gastrocolic Trunk is considered an important anatomical landmark by colorectal surgeons. The classical description concerns a bipod vascular structure or tripod, but several variants are associated to it. The aim of this study is to merge the most updated literature on the anatomy knowledge of the Gastrocolic Trunk by evaluating all possible variants, as well as to underline its surgical importance due to its topographical relationships. Methods Twelve studies describing the anatomy of the gastrocolic trunk were selected, each of them dealing with a more or less extensive series of cases. A distinction was drawn between the gastropancreatic trunk, devoid of the colonic component, and the gastrocolic trunk; and then the frequency of the diferent resulting variants was reported. The data obtained from cadavers and radiological studies were analyzed separately. Results The Gastrocolic Trunk is found in 74% of cadaver studies, and in 86% of radiological studies. Its most frequent confguration is represented by the union of right gastroepiploic vein + anterior superior pancreaticoduodenal vein + superior right colic vein, respectively, 32.5% and 42.5%, followed by the right colic vein which replaces (26.9%, 12.3%) or is added (10%, 20.1%) to the superior right colic vein.