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- •Preface to the Third Edition
- •Dedications and Acknowledgments
- •Contents
- •Contributors
- •Perineal Body
- •Anococcygeal Ligament
- •Pelvic Floor Muscles
- •Puborectalis Muscle
- •Iliococcygeus Muscle
- •Pubococcygeus Muscle
- •Introduction
- •Anal Canal Epithelium
- •Internal Anal Sphincter
- •Conjoined Longitudinal Muscle
- •External Anal Sphincter
- •Mesorectum
- •Presacral Fascia
- •Retrosacral Fascia
- •Waldeyer’s Fascia
- •Denonvilliers’ Fascia
- •Anorectal Spaces
- •Perianal Space
- •Intersphincteric Space
- •Submucous Space
- •Ischioanal/Ischiorectal Space
- •Supralevator Space
- •Retrorectal Space
- •Lateral Ligaments
- •Rectal Blood Supply
- •Superior Rectal Artery
- •Middle Rectal Artery
- •Inferior Rectal Artery
- •Physiology
- •Colonic Absorption
- •Colonic Motility
- •Rectal Function
- •The Pelvic Floor
- •The Anal Sphincter Complex
- •Internal Anal Sphincter (IAS)
- •Conjoined Longitudinal Muscle
- •References
- •2: Patient Evaluation
- •Introduction
- •Anatomy
- •History
- •Chief Complaint
- •Bowel Habits
- •Personal History
- •Common Complaints
- •Bleeding
- •Pain
- •Itching
- •Incontinence
- •Constipation
- •Physical Examination
- •Abdominal Examination
- •Anorectal Examination
- •Visual Inspection
- •External Palpation
- •Digital Rectal Examination
- •Diagnostic Studies
- •Anoscopy
- •Proctoscopy
- •Flexible Sigmoidoscopy
- •Endoluminal Ultrasound
- •Computed Tomography
- •Magnetic Resonance Imaging
- •Physiologic Testing
- •Summary
- •References
- •3: Anorectal Physiology Testing
- •Introduction
- •Techniques
- •Anorectal Manometry
- •Balloon Expulsion
- •Electromyography
- •Needle Electrode EMG
- •Surface Electrode EMG
- •Rectal Pressure Testing (Manometry)
- •Cinedefecography
- •Magnetic Resonance Defecography
- •Pudendal Nerve Terminal Motor Latency Testing (PNTML)
- •Clinical Considerations
- •Hirschsprung’s Disease
- •Low Anterior Resection Syndrome (LARS)
- •Anismus
- •Perineal Descent
- •Fecal Incontinence
- •Summary
- •References
- •Introduction
- •Anorectal Malformations
- •Embryology
- •Associated Anomalies
- •Presentation
- •Management
- •Divided Colostomy
- •Posterior Sagittal Anorectoplasty
- •Bowel Management
- •Hirschsprung’s Disease
- •Pathophysiology
- •Presentation
- •Neonatal Obstruction
- •Childhood Constipation
- •Hirschsprung’s-Associated Enterocolitis (HAEC)
- •Diagnosis
- •Contrast Enema
- •Anorectal Manometry
- •Rectal Biopsy
- •Suction vs. Full-Thickness
- •Management
- •Surgical Approaches
- •Swenson
- •Duhamel
- •Soave
- •Modern Approach
- •Long-Segment Disease
- •Complications
- •Incontinence
- •Constipation
- •HAEC
- •Reoperation
- •Laparoscopic-Associated Anorectoplasty (LAARP)
- •Fistula-in-ano/Perianal Abscess
- •Anal Fissure
- •Rectal Prolapse
- •Solitary Rectal Ulcer Syndrome (SRUS)
- •Sexual Abuse
- •References
- •5: Perioperative Management
- •Introduction
- •Preoperative Care
- •Patient Education
- •Aspirin Use
- •Bowel Preparation
- •Perioperative Care
- •Antibiotic Prophylaxis
- •Deep Vein Thrombosis (DVT) Prophylaxis
- •Perioperative Intravenous Fluids
- •Postoperative Care
- •Enhanced Recovery
- •Patient Education
- •Antibiotics
- •Sitz Baths
- •Wound Care
- •Diet
- •Bowel Regimen
- •Pain Management
- •Topical Analgesia
- •Outpatient Follow-Up
- •Ambulatory Surgery Outcomes
- •Complications After Anorectal Surgery
- •Acute Complications
- •Infection
- •Urinary Retention
- •Hemorrhage
- •Chronic Complications
- •Fecal Incontinence
- •Anal Stenosis
- •Chronic Pain
- •Summary
- •References
- •Introduction
- •Positioning
- •Anesthetic Techniques
- •General Anesthesia
- •Regional Anesthesia
- •Monitored Anesthetic Care (MAC)
- •Local Anesthesia
- •Lighting
- •Instrumentation
- •Anoscopes
- •Speculums
- •Retractors
- •Supporting Material
- •References
- •7: Functional Anorectal Disorders
- •Introduction
- •Anismus
- •Perineal Descent Syndrome
- •Solitary Rectal Ulcer Syndrome
- •Sigmoidocele
- •References
- •Introduction
- •Abdominal Approaches
- •Open Rectopexy
- •Laparoscopic Rectopexy
- •Mesh Techniques
- •Laparoscopic Mesh Rectopexy
- •Results of Mesh Rectopexy
- •Ventral Mesh Rectopexy
- •Resection Rectopexy
- •Perineal Approaches
- •Perineal Rectosigmoidectomy
- •Delorme
- •Anal Encirclement
- •Recurrent Rectal Prolapse
- •Rectal Intussusception
- •References
- •9: Fecal Incontinence
- •Introduction
- •Normal Continence
- •Evaluation
- •Treatment
- •Conservative Management
- •Non-surgical Devices
- •Surgical Management
- •Sphincter Augmentation
- •Malone Antegrade Continence Enema
- •Colostomy
- •References
- •10: Anorectal Abscess and Fistula in Ano
- •Introduction
- •Anatomy
- •Abscess
- •Etiology and Pathophysiology
- •Evaluation
- •Symptoms
- •Physical Examination
- •Diagnostic Imaging
- •Treatment
- •General Principles
- •Operative Management
- •Catheter Drainage
- •Primary Fistulotomy
- •Antibiotics
- •Postoperative Care
- •Complications
- •Recurrent Abscess
- •Incontinence
- •Special Considerations
- •Necrotizing Anorectal Infection
- •Treatment
- •Management
- •Fistula-in-Ano
- •Pathophysiology
- •Etiology
- •Evaluation
- •Symptoms
- •Physical Examination
- •Imaging
- •Treatment
- •General Principles
- •Operative Management
- •Fistulotomy
- •Staged Fistulotomy
- •Endoanal Advancement Flap
- •Anal Fistula Plug
- •Fibrin Glue
- •Stem Cells
- •Summary
- •References
- •11: Rectovaginal Fistula
- •Introduction
- •Etiology
- •History
- •Medical Management
- •Crohn’s-Related RVF
- •Surgical Management
- •Simple Fistula Repair
- •Endorectal Advancement Flap
- •Biologic Repairs
- •Overlapping Sphincteroplasty (OS)
- •Perineoproctotomy (PP)
- •Complex Fistula Repair
- •Bulbocavernosus Muscle Flap
- •Gracilis Muscle Transposition Flap (GMTF)
- •Transperineal Omental Flap (TPOF)
- •Resection Repair
- •Bricker Patch Repair
- •Stent Repair
- •Crohn’s-Related RVF Repair
- •Ileoanal Pouch–Vaginal Fistula (IPVF) Repair
- •Diversion
- •References
- •Introduction
- •Rectocele
- •Diagnosis
- •Physical Examination
- •Imaging/Anorectal Physiologic Tests
- •Treatment
- •Nonoperative
- •Operative
- •Transvaginal (Posterior Colporrhaphy)
- •Transperineal
- •Transanal
- •Laparoscopic Rectocele Repair Technique
- •Diagnosis
- •Treatment
- •Medical
- •Surgical
- •Apical Prolapse
- •Enteroceles
- •Perineal Hernia
- •Primary Perineal Hernia
- •Secondary Perineal Hernia
- •Transabdominal Repair
- •Laparoscopic Repair
- •Perineal Repair
- •Summary
- •References
- •13: Pruritus Ani
- •Introduction
- •Etiology
- •Idiopathic Pruritus Ani
- •Dietary Factors
- •Secondary Pruritus Ani
- •Infectious Agents
- •Viruses
- •Parasites
- •Organic Colorectal Conditions
- •Dermatologic
- •Neoplastic Disease
- •Systemic Diseases
- •Psychological
- •Drugs
- •Patient Evaluation
- •History
- •Physical Examination
- •Treatment
- •Recent Advances
- •Summary
- •References
- •Anal Fissure
- •Introduction
- •Pathogenesis
- •Presentation
- •Medical Therapy
- •Operative Therapy
- •PLIS Operative Techniques
- •Alternative Treatment Concepts
- •Subcutaneous Fissurotomy
- •Dilation
- •Flaps
- •Simple Cutaneous Advancement Flap
- •V-Y Advancement Flap
- •Unique Situations
- •Post-PLIS Fissure
- •Hypotonic Fissure
- •Extreme Pain
- •HIV-Related Fissure
- •Non-healing Wounds
- •Anal Stenosis
- •Introduction
- •Pathogenesis
- •Presentation
- •Medical Treatment
- •Dilation
- •Operative Therapy
- •Stricturoplasty
- •Flaps
- •Mucosal Advancement Flap
- •Y-V Advancement Flap
- •V-Y Advancement Flap
- •House Flap
- •Diamond-Shaped Flap
- •Rotational “S” Flaps
- •References
- •15: Pilonidal Disease
- •Background
- •Etiology
- •Clinical Presentation/Diagnosis
- •Treatment
- •Non-operative Management
- •Operative/Excisional Management
- •Basic Procedures
- •Complex Procedures
- •Karydakis Flap
- •Cleft Lift Procedure
- •Rhomboid/Limberg Flap
- •Disease Recurrence
- •References
- •16: Perianal Hidradenitis Suppurativa
- •Introduction
- •Pathogenesis
- •Bacteria
- •Imaging
- •Medical Treatment
- •Antibiotics
- •Steroids
- •Anti-TNF Agents
- •Surgical Treatment
- •Squamous Cell Carcinoma
- •References
- •17: Hemorrhoidal Disease
- •Introduction
- •Anatomy
- •Pathophysiology
- •Etiology
- •Evaluation
- •Symptoms
- •Examination
- •Treatment
- •General Principles
- •Internal Hemorrhoids
- •Flavonoids
- •Rubber Band Ligation
- •Infrared Photocoagulation
- •Sclerotherapy
- •Cryotherapy
- •Electrocautery
- •Dilatation
- •Internal Anal Sphincterotomy
- •Transanal Hemorrhoidal Dearterialization (THD)
- •External Hemorrhoids
- •Acute Thrombosis
- •Operative Hemorrhoidectomy
- •Alternate Energy Sources
- •Special Considerations
- •Summary
- •References
- •Introduction
- •History
- •Physical Examination
- •Anoscopy/Rigid Proctoscopy
- •Imaging/Testing
- •Acute Pelvic Pain
- •Thrombosed External Hemorrhoid
- •Anal Fissure
- •Anorectal Abscess
- •Pruritus Ani
- •Hidradenitis Suppuritiva
- •Infectious
- •Gonorrhea
- •Chlamydia
- •Herpes Simplex/Zoster
- •Syphilis (Treponema Pallidum)
- •Chancroid (Haemophilus Ducreyi)
- •Granuloma Inguinale (Calymmatobacterium Granulomatis)
- •Perianal Crohn’s Disease
- •Proctitis/Pouchitis
- •Radiation
- •Anal Stricture
- •Anal/Rectal Cancer
- •Rectal Prolapse
- •Retrorectal Tumors
- •Prostatitis
- •Gynecological Causes
- •Neurogenic Pain
- •Chronic Pelvic Pain
- •Urogynecological Causes
- •Pelvic Floor Pain Syndrome
- •Levator Ani Syndrome
- •Proctalgia Fugax
- •Coccygodynia
- •Pudendal Neuralgia
- •Summary
- •References
- •19: Anal Neoplasms
- •Introduction
- •Anatomy
- •Anal Squamous Cell Cancer
- •Etiology
- •Diagnosis
- •Staging
- •Treatment
- •Salvage Treatment
- •Functional Results After Radiotherapy
- •Anal Adenocarcinoma
- •Anal Melanoma
- •Sarcoma/Gastrointestinal Stromal Tumor (GIST)
- •Paget’s Disease
- •High-Grade Squamous Intraepithelial Lesion
- •Anal Margin Squamous Cell Cancer
- •Anal Margin Basal Cell Cancer
- •References
- •20: Anal Intraepitheial Neoplasia
- •Introduction
- •Prevention
- •Screening
- •Diagnosis
- •Treatment
- •Expectant Management
- •Ongoing Surveillance
- •Summary
- •References
- •21: Rectal Carcinoma: Imaging for Staging
- •Introduction
- •Imaging Modalities
- •Endorectal Ultrasound
- •Lymph Node Involvement
- •Magnetic Resonance Imaging
- •MRI Technique
- •Lymph Node Involvement
- •Pelvic Side Wall Lymph Nodes
- •Extramural Vascular Invasion
- •Evaluating Tumour Response
- •Hepatic Metastases
- •Pulmonary Metastases
- •Peritoneal Metastases
- •Summary
- •References
- •22: Rectal Carcinoma: Operative Treatment, Transanal
- •Local Approaches to Rectal Cancer
- •Transanal Excision (TAE)
- •Transanal Endoscopic Surgery
- •Intraoperative Complications
- •Peritoneal Entry
- •Conversion
- •Positive Margins
- •Postoperative Complications
- •Functional Outcomes
- •Future Directions: Transanal TME (TATME)
- •Summary
- •References
- •23: Rectal Cancer: Operative Treatment Transabdominal
- •Overview
- •Preoperative Evaluation
- •Preoperative Imaging Studies
- •Staging
- •T2N0 Rectal Cancer
- •Locally Advanced Rectal Cancer
- •Distant Metastatic (M1) Disease
- •Surgical Considerations
- •Radical Resection
- •Total Mesorectal Excision
- •Circumferential Resection Margin
- •Distal Resection Margin
- •Reconstruction Options Following Low Anterior Resection
- •Temporary Diversion Following Low Anterior Resection
- •Abdominoperineal Resection
- •Abdominal Dissection: Minimally Invasive Versus Open Technique
- •Perineal Dissection: Prone Versus Lithotomy Positioning
- •Perineal Reconstruction Options
- •Surgical Technique
- •Blood Supply
- •Autonomic Pelvic Nervous System
- •Open Abdominal Dissection
- •Robotic Total Mesorectal Excision
- •Transanal Extraction Techniques
- •Postoperative Care
- •References
- •Introduction
- •Locally Advanced Rectal Cancer
- •Total Mesorectal Excision
- •Neoadjuvant Therapy
- •Chemoradiation
- •Intraoperative Radiation Therapy
- •Endoluminal Brachytherapy
- •Surgery Related Outcomes Post Chemoradiation
- •Adjuvant Therapy
- •Adjuvant Chemotherapy
- •Induction vs. Adjuvant Chemotherapy
- •Adjuvant Chemotherapy Following PCR
- •Adjuvant Radiotherapy
- •Chemoradiation
- •Metastatic (Stage IV) Rectal Cancer
- •Recurrent Rectal Cancer
- •Summary
- •References
- •Introduction
- •Benign
- •Adenomatous Polyps
- •Treatment
- •Natural History
- •Malignant Polyps
- •Large Rectal Villous Tumors
- •Hyperplastic Polyps
- •Juvenile Polyps
- •Cronkhite-Canada Syndrome
- •Hamartomatous Polyps
- •Lipomas
- •Hemangiomas
- •Solitary Rectal Ulcer Syndrome/Colitis Cystica Profunda
- •Leiomyomas
- •Malignant
- •Leiomyosacrcoma
- •Gastrointestinal Stromal Tumors (GIST)
- •Carcinoid Tumors
- •Carcinoid Carcinomas
- •Lymphoma
- •Retrorectal/Presacral Tumors
- •Melanoma
- •References
- •26: Retrorectal (Presacral) Tumors
- •Introduction
- •Anatomy
- •Congenital Lesions
- •Cystic Lesions
- •Developmental Cysts
- •Duplication Cysts (Enterogenous)
- •Tail Gut Cysts (Cystic Harmatomas)
- •Anterior Sacral Meningocele
- •Solid Lesions
- •Sacrococcygeal Chordomas
- •Neurogenic Tumors
- •Osseous Tumors
- •Miscellaneous Tumors
- •Imaging
- •Preoperative Biopsy
- •Management
- •Surgical Approach
- •Posterior Approach
- •Outcomes
- •Malignant Lesions
- •Benign Lesions
- •References
- •Introduction
- •Sexually Transmitted Anorectal Disorders
- •Bacterial Infections
- •Gonorrhea
- •Chlamydia Trachomatis: Lymphogranuloma Venereum (LGV)
- •Chancroid
- •Granuloma Inguinale
- •Syphilis
- •Viral Infections
- •Herpes Simplex

Fundamentals of
Anorectal Surgery
David E. Beck
Scott R. Steele
Steven D. Wexner
Editors
Third Edition
123

Fundamentals of Anorectal Surgery

David E. Beck • Scott R. Steele
Steven D. Wexner
Editors
Fundamentals
of Anorectal Surgery
Third Edition

Editors
David E. Beck
Department of Colon and Rectal Surgery
Ochsner Clinic Foundation
New Orleans, LA
USA
Steven D. Wexner
Department of Colon and Rectal Surgery
Cleveland Clinic Florida
Weston, FL
USA
Scott R. Steele
Department of Colon and Rectal Surgery
Cleveland Clinic
Cleveland, OH
USA
Originally published by WB Saunders, Philadelphia, 1998
ISBN 978-3-319-65965-7 ISBN 978-3-319-65966-4 (eBook)
https://doi.org/10.1007/978-3-319-65966-4
Library of Congress Control Number: 2018949946
© Springer International Publishing AG, part of Springer Nature 1992, 1998, 2019
This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or
part of the material is concerned, specically the rights of translation, reprinting, reuse of
illustrations, recitation, broadcasting, reproduction on microlms or in any other physical way,
and transmission or information storage and retrieval, electronic adaptation, computer software,
or by similar or dissimilar methodology now known or hereafter developed.
The use of general descriptive names, registered names, trademarks, service marks, etc. in this
publication does not imply, even in the absence of a specic statement, that such names are
exempt from the relevant protective laws and regulations and therefore free for general use.
The publisher, the authors, and the editors are safe to assume that the advice and information in
this book are believed to be true and accurate at the date of publication. Neither the publisher nor
the authors or the editors give a warranty, express or implied, with respect to the material
contained herein or for any errors or omissions that may have been made. The publisher remains
neutral with regard to jurisdictional claims in published maps and institutional afliations.
This Springer imprint is published by the registered company Springer Nature Switzerland AG
The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland

Preface to the Third Edition
It has been 25 years since the publication of the rst, and almost 20 years
since the publication of the second, edition of Fundamentals of Anorectal
Surgery. The delay was not from a lack of interest by the editors or the
authors, but the result of a period of inadequate interest by the publishers.
Fortunately, this attitude has changed, resulting in a third edition. As with the
previous editions, this volume was designed not to replace the numerous
excellent textbooks of colon and rectal surgery, but to provide expanded coverage of the evaluation and management of the anus and rectum, as these
disorders (rather than colonic pathology) often pose a greater difculty to
practitioners. The rst two editions included many talented young surgeons
from a variety of practices, all of whom shared the common goal of disseminating well-written information about anorectal topics.
Due to the plethora of new information and diagnostic and therapeutic
maneuvers regarding disorders of the anorectum, a third edition was necessary. To accomplish this task, a bevy of eminently qualied, internationally
acclaimed experts spent a considerable amount of time to completely rewrite
the chapter that includes all of the new advances and updates pertinent to each
respective subject area. The individuals who have made these contributions
are exceptionally well qualied to have made these improvements. The text
continues with thirty-two chapters, but there have been several changes.
Signicant progress has been made in the prevention and therapy of acquired
immunodeciency syndrome, so the latest information has been included into
the sexually transmitted disease chapter. Advances in our knowledge of anal
intraepithelial neoplasia and pelvic oor disorders each merit its own chapter.
When the rst edition was written, minimally invasive surgery was in its
infancy. As the second edition was produced, laparoscopic colorectal surgery
was routinely performed at numerous locations throughout the world. Today
these techniques have matured and become integrated into routine colorectal
practices. Accordingly, minimally invasive techniques are incorporated into
individual management chapters.
Half of these 32 chapters provide a comprehensive in-depth survey of all
anorectal topics, including both benign and malignant disorders. The rst
four chapters discuss anatomy including congenital disorders, as well as
means of evaluating anorectal dysfunction and disease. The next two chapters
(Chaps. 5 and 6) evaluate perioperative and operative techniques. Chapters 7
through 9 evaluate functional disorders including prolapse and incontinence;
a variety of additional benign anorectal disorders are evaluated in Chaps. 10
v

vi
Preface to the Third Edition
through 18. Chapters 19 through 26 review anorectal neoplasia. Rectal cancer
remains a major focus, with several world experts updating and emphasizing
the critical need for a multidisciplinary approach.
Chapter 22 describes the newer transanal techniques of TEM and
TAMIS. Chapter 27 delves into sexually transmitted diseases and
AIDS.Chapter 28 evaluates anorectal trauma. Chapters 29 through 30 analyze inammatory disorders of the anus and rectum. Chapter 31 examines
pelvic oor disorders related to urology and gynecology and Chap. 32 outlines nursing considerations including ostomy management.
These chapters have been carefully crafted neither to stand independently
nor to duplicate each other. One of the marked and immediate obvious advantages of a multiauthored textbook is the skillfully executed interplay among
authors. These authors have deftly intertwined their chapters to provide the
reader with all the current concepts, theories, and practices relative to anorectal surgery. Clearly, enunciation of this ideal and execution of the concept to
fruition are not necessarily synonymous. The goal was realized only through
the outstanding indefatigable efforts of the numerous practicing clinicians
who authored the chapters contained herein. Specically, the third edition of
Fundamentals of Anorectal Surgery has been authored exclusively by energetic colorectal surgeons, gastroenterologists, and nurses. This composition
has enabled the textbook to impart a uniquely current perspective on the evaluation and management of anorectal disorders. The chapters have been well
written, amply illustrated, and comprehensively referenced. As such, this
book provides an excellent resource for both the practicing surgeon as well as
surgical residents and fellows in training and medical students in school.
New Orleans, LA, USA DavidE.Beck
Cleveland, OH, USA ScottR.Steele
Weston, FL, USA StevenD.Wexner
2019

Dedications and Acknowledgments
I thank our contributors for taking time from work and family to produce
superb chapters, and my colleagues Steve and Scott for their efforts in editing
this ongoing project. Steve and I remain lifelong friends and colleagues. Our
relationship strengthened by the stresses and challenges of projects like
Fundamentals. Scott has the enthusiasm of youth and his energy and ability
will help mold the future of our specialty. Elektra did her usual outstanding
job as a Developmental Editor. I remain indebted to my partners, colleagues,
and trainees who continue to support and stimulate my clinical and academic
efforts. Finally, I reafrm my love and appreciation to my wife, Sharon, for
her support and encouragement for all the nights and weekends spent in my
ofce working on this project.
David E.Beck
I would rst again like to thank our outstanding Developmental Editor,
Elektra McDermott, for her extraordinary efforts in overseeing this edition
and ensuring its timely completion and thoroughness. Having had the privilege of working with her on several texts, she never fails to amaze and deliver.
I would also like to thank my fellow editors, Dave and Steve, for their tremendous vision and hard work throughout this entire process. They continue to be
mentors, colleagues, and friends—and for the opportunities they have each
given to me, I am forever grateful. Finally, and most importantly, thank you
to Michele, Marianna (& Piper and Flynn) for supporting, encouraging, and
giving me time to complete this wonderful project.
Scott R.Steele
I also echo my appreciation to Elektra McDermott for her superlative editorial skills without which this text would not have come to timely fruition. In
addition I also thank Dave and Scott for their efforts, expertise, time, talent,
and friendship; it has been a pleasure working with them on this project. I
also express my eternal gratitude to the most important people in my life who
have supported me with love as I have pursued my academic endeavors:
Mariana Berho, Wesley, and Trevor for their love, understanding, and patience
during the conception, creation, and completion of this book.
Steven D.Wexner
vii

Contents
1 Anorectal Anatomy andPhysiology . . . . . . . . . . . . . . . . . . . . . . 1
Ravi Moonka and Joseph C. Carmichael
2 Patient Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Pasithorn A. Suwanabol and Justin A. Maykel
3 Anorectal Physiology Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Ian M. Paquette and Joshua I. S. Bleier
4 Congenital andPediatric Anorectal Conditions . . . . . . . . . . . . . 63
Anne Kim Mackow
5 Perioperative Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Sean Joseph Langenfeld
6 Operative andAnesthetic Techniques . . . . . . . . . . . . . . . . . . . . . 103
Amy J. Thorsen and Jasneet Singh Bhullar
7 Functional Anorectal Disorders . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Brian L. Bello, D. OwenYoung, and Anjali S. Kumar
8 Rectal Prolapse andIntussusception . . . . . . . . . . . . . . . . . . . . . . 131
Jonathan R. Snyder and Ian M. Paquette
9 Fecal Incontinence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Julia Saraidaridis and Liliana Bordeianou
10 Anorectal Abscess and Fistula in Ano . . . . . . . . . . . . . . . . . . . . . 161
Jon D. Vogel and Carol-Ann Vasilevsky
11 Rectovaginal Fistula . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Elizabeth R. Raskin
12 Pelvic Organ Prolapse and Perineal Hernias . . . . . . . . . . . . . . . 205
Dana R. Sands, Daniel S. Lavy, and Eric A. Hurtado
13 Pruritus Ani . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Bradley R. Davis
14 Anal Fissure and Anal Stenosis . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Daniel L. Feingold and Steven A. Lee-Kong
15 Pilonidal Disease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Eric K. Johnson, Aaron Womer, and Scott R. Steele
ix

x
16 Perianal Hidradenitis Suppurativa . . . . . . . . . . . . . . . . . . . . . . . 273
Emily Steinhagen and Michael F. McGee
17 Hemorrhoidal Disease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
David E. Beck
18 Proctalgia Fugax, Levator Spasm, and Pelvic Pain:
Evaluation and Differential Diagnosis . . . . . . . . . . . . . . . . . . . . 307
Amir L. Bastawrous and Jennifer K. Lee
19 Anal Neoplasms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Brian R. Kann
20 Anal Intraepitheial Neoplasia . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Amy L. Lightner, Cindy J. Kin, and Mark L. Welton
21 Rectal Carcinoma: Imaging for Staging . . . . . . . . . . . . . . . . . . . 359
Mit Dattani and Gina Brown
22 Rectal Carcinoma: Operative Treatment, Transanal . . . . . . . . 391
Cora Ianiro, Mark H. Whiteford, and Patricia Sylla
23 Rectal Cancer: Operative Treatment Transabdominal . . . . . . . 419
Jose G. Guillem and Julio Garcia-Aguilar
24 Principles of Adjuvant and Neoadjuvant
Therapy for Locally Advanced Rectal Cancer . . . . . . . . . . . . . . 445
Sepehr Khorasani, Arun Nagarajan, Timothy Nguyen, and
Sami A. Chadi
Contents
25 Rectal Polyps and Other Neoplasms . . . . . . . . . . . . . . . . . . . . . . 465
Kelli M. Bullard Dunn
26 Retrorectal (Presacral) Tumors . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Ramon A. Brown and David A. Margolin
27 Sexually Transmitted and Infectious Diarrheal Diseases . . . . . 495
Reza Arsalani-Zadeh, Christina Cellini, and Lester Gottesman
28 Anorectal Trauma and Injuries . . . . . . . . . . . . . . . . . . . . . . . . . . 517
Andrew H. Miller, Carlos V. R. Brown, and Matthew J. Martin
29 Ulcerative Proctitis and Anorectal Crohn’s Disease . . . . . . . . . 531
Colin B. Peirce and Matthew F. Kalady
30 Other Proctitides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555
Giovanna Dasilva and Radhika Smith
31 Pelvic Floor Disorders Related to Urology
and Gynecology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571
Nouf Y. Akeel, Brooke Gurland, and Tracy Hull
32 Nursing Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583
Bonnie Alvey
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595

Contributors
Nouf Y. Akeel, MD Department of Colorectal Surgery, Cleveland Clinic
Foundation, Cleveland, OH, USA
Bonnie Alvey, RN, WOCN, APC Enterostomal Therapy Clinic, Ochsner
Medical Center, New Orleans, LA, USA
Reza Arsalani-Zadeh, MD, MRCS Department of Colorectal Surgery,
University of Rochester Medical Center, Rochester, NY, USA
Amir L. Bastawrous, MD, MBA, FACS, FASCRS Swedish Colon and
Rectal Clinic, Swedish Cancer Institute, Seattle, WA, USA
David E. Beck, MD, FACS, FASCRS Department of Colon and Rectal
Surgery, Ochsner Clinic, New Orleans, LA, USA
Brian L. Bello, MD, FACS Colorectal Surgery Program, MedStar
Washington Hospital Center, Washington, DC, USA
Jasneet Singh Bhullar, MD, MS Department of Surgery, UPMC
Susquehanna Health, Williamsport, PA, USA
JoshuaI.S.Bleier, MD Department of Surgery, University of Pennsylvania
Perelman School of Medicine, Philadelphia, PA, USA
Liliana Bordeianou, MD, MPH Department of General Surgery, Pelvic
Floor Disorders Center, Massachusetts General Hospital, Boston, MA, USA
GinaBrown, MBBS, MRCP, FRCS The Royal Marsden NHS Foundation
Trust and Imperial College of London, London, UK
RamonA.Brown, MD The Ochsner Clinic Foundation, Ochsner Clinical
School, Ochsner Clinic, New Orleans, LA, USA
CarlosV.R.Brown, MD, FACS University Medical Center Brackenridge,
Austin, TX, USA
Kelli M. Bullard Dunn, MD, FACS, FASCRS Surgery, University of
Louisville, Louisville, KY, USA
Joseph C. Carmichael, MD Department of Surgery, University of
California, Irvine, Orange, CA, USA
Christina Cellini, MD Department of Surgery, University of Rochester
Medical Center, Rochester, NY, USA
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