Colorectal Surgery Review

Allen Kamrava, MD MBA FACS FASCRS

An academic, sponsor-free audio review of core concepts in colon and rectal surgery. Using the power of A.I., created by Dr. Allen Kamrava, Associate Teaching Faculty at Cedars-Sinai Medical Center, this series is designed for residents, fellows, and practicing surgeons to stay current with concise, evidence-based updates. Covering textbook foundations, landmark trials, and evolving ASCRS guidelines, each episode delivers practical surgical education for the commute, workout, or even to wind down at night. Learn more at https://drkamrava.com/podcast

  1. 3d ago

    ASCRS Guidelines: Pilonidal Disease Surgery and Medical Management

    Join us for an evidence-based clinical deep dive into the 2024 American Society of Colon and Rectal Surgeons (ASCRS) Clinical Practice Guidelines for the Management of Pilonidal Disease.In this episode, we unpack the anatomical nuances, non-operative thresholds, and surgical algorithms needed to safely manage this chronic and often frustrating condition. We break down the stark paradigm shift away from traditional open excision towards tissue-sparing and off-midline approaches.(Please refer to the accompanying audio file: 2024_Guidelines_for_Inherited_Polyposis_Syndromes.m4a for the full discussion.)Key Clinical Topics Covered: Pathophysiology & Diagnostics: Understanding the acquired theory of pilonidal disease (hair insertion and follicular occlusion) versus congenital theories, and why routine imaging (ultrasound or MRI) is actively discouraged for primary disease.Acute Abscess Management: Why simple incision and drainage (I&D) remains the cornerstone of care, and why concurrent excision of the entire pilonidal cyst during an acute infection is contraindicated.Non-Operative Foundations: The critical role of perineal hygiene and hair removal. We discuss the striking downgrade of routine laser epilation and why conservative management is still favored for mild or asymptomatic disease.The Shift Away from Excision: The defining feature of the 2024 guidelines: the strong recommendation against traditional midline excision with primary closure due to unacceptably high recurrence and wound dehiscence rates.Tissue-Sparing Options: A detailed look at the mechanisms and success rates of minimally invasive procedures, including pit picking (Bascom I) and endoscopic pilonidal sinus treatment (EPSiT).Off-Midline Flap Closures: When to deploy complex flap closures for refractory or extensive disease. We break down the clinical utility of the Bascom Cleft Lift, the Karydakis flap, and the Limberg (rhomboid) flap.De-implemented Therapies: The lack of robust evidence supporting fibrin glue, phenol injection, and routine antibiotic prophylaxis in uncomplicated cases.

  2. Nov 2

    ASCRS Guidelines: FAP, AP, and Rectal Polyposis Management

    Welcome to Colorectal Surgery Review. In this episode, we deliver an evidence-based clinical breakdown of the 2023 American Society of Colon and Rectal Surgeons (ASCRS) Clinical Practice Guidelines for the Management of Familial Adenomatous Polyposis (FAP) and associated polyposis syndromes.Designed for practicing colon and rectal surgeons, surgical oncologists, and senior trainees preparing for board certification, this deep dive translates complex genetic data, anatomical considerations, and guideline algorithms into actionable surgical strategies.Key Clinical Topics Covered: Genetics & Pathophysiology: How APC gene mutations drive classical FAP, the concept of somatic mosaicism in attenuated FAP (AFAP), and the profound clinical implications of MUTYH-associated polyposis (MAP). We also discuss why 20-50% of patients presenting with an attenuated phenotype lack an identifiable pathogenic variant (the "genetic void"). Preoperative Staging & Extracolonic Disease: The critical shift to baseline upper endoscopy starting at age 20-25 to monitor for duodenal adenocarcinomas, which represent the leading cause of non-colorectal mortality in FAP. Surgical Timing & Prophylactic Colectomy: Why prophylactic surgery in classical FAP is typically delayed until the late teens or early 20s, balancing the 100% lifetime cancer risk against the psychosocial and functional burden of early intervention. The Surgical Triad: Detailed algorithmic decision-making between:Chemoprevention & Medical Management: The current (and often debated) role of NSAIDs (Sulindac) and COX-2 inhibitors (Celecoxib) in delaying polyp progression or managing retained rectal stump polyposis. Desmoid Tumors: The second leading cause of mortality in FAP patients. We explore why intra-abdominal surgical trauma often precipitates their aggressive growth and the modern shift toward non-operative, medical management of these challenging fibromatous lesions.

About

An academic, sponsor-free audio review of core concepts in colon and rectal surgery. Using the power of A.I., created by Dr. Allen Kamrava, Associate Teaching Faculty at Cedars-Sinai Medical Center, this series is designed for residents, fellows, and practicing surgeons to stay current with concise, evidence-based updates. Covering textbook foundations, landmark trials, and evolving ASCRS guidelines, each episode delivers practical surgical education for the commute, workout, or even to wind down at night. Learn more at https://drkamrava.com/podcast

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