Common Anal Conditions · Version 2.0
What’s New in Version 2
Dr. Tamer Rushdy Elalfy · 11 min read
In this chapter
- Version 1 Versus Version 2 — Scope at a Glance
- New Chapters and Appendices
- Clinically Significant Corrections Since Version 1
- Structural Changes and Renumbering
- Evidence Review, Versioning, and Updates
- How Evidence Strength Is Labelled
- Visual Colour-Coding and Box Legend
- Standard Referral Urgency Definitions (Used in Every Chapter)
- Clinical-Use Disclaimer
- How to Cite Version 2
Version 2.0 is a full clinical and editorial revision. Every Version 1 chapter has been re-checked against current guidance; claims that could not be traced to a source have been corrected, softened, or labelled. Nine new chapters extend the handbook from benign proctology into the conditions non-surgeons most often miss: anal cancer, colorectal cancer behind rectal bleeding, perianal Crohn’s disease, continence and pelvic-floor disorders, sexually transmitted proctitis, trauma and sexual assault, pregnancy, children, and rare but dangerous mimics. Six practical appendices, one-page patient handouts, and a final quick-reference section complete the edition.
Version 1 Versus Version 2 — Scope at a Glance
Table F.1 — Version 1.0 versus Version 2.0 scope
| Domain | Version 1.0 (October 2026) | Version 2.0 (this edition) |
|---|---|---|
| Chapters | 10 chapters | 19 chapters: 6 revised core chapters (01–06), 9 new chapters (07–15), and 4 relocated safety-system chapters (16–19) |
| Conditions | Haemorrhoids, fissure, abscess/fistula, Fournier’s gangrene, pilonidal disease, pruritus ani, impaction, foreign bodies, brief STI proctitis, proctalgia | All Version 1 conditions plus anal cancer and AIN, rectal bleeding and colorectal cancer triage, perianal Crohn’s disease, faecal incontinence and constipation, STIs and proctitis, trauma and sexual assault, pregnancy and postpartum, paediatric conditions, and ten rare conditions |
| Appendices | None | A Master referral form · B Medication safety · C When not to do a DRE · D Discharge instructions · E SBAR templates · F Patient handouts |
| Evidence labelling | Guideline name and year inline | Guideline name and year plus four-tier labels: [S] strong, [C] consensus, [L] local protocol, [U] uncertain |
| Per-chapter safety tools | Action boxes, mini-case, MCQ | Adds dangerous-mimic tables, “Never do this”, “Common documentation error”, “Referral urgency”, 10-item checklist, five most dangerous mistakes, and illustrator captions |
| Algorithms | Wide text diagrams that wrapped on some screens and printers | Redrawn in plain monospaced ASCII, ≤ 76 characters wide, safe for print, PDF, and phones |
| Patient materials | None | Eight one-page patient handouts |
| Quick reference | 10 rapid-fire rules | Adds the 20 most dangerous mistakes, 20 same-day red flags, 10 rules for safe examination, and 10 essential referral triggers |
| Citation | DOI placeholder | Permanent Zenodo DOI: 10.5281/zenodo.23605089 |
New Chapters and Appendices
Table F.2 — New content in Version 2.0
| No. | Title | What it prevents |
|---|---|---|
| 07 | Anal cancer, AIN, and non-healing anorectal lesions | Labelling an indurated or non-healing lesion as “piles”; missed HSIL in people living with HIV |
| 08 | Rectal bleeding and colorectal cancer triage | Treating haemorrhoids before the colon has been cleared in patients with alarm features |
| 09 | Perianal Crohn’s disease and IBD | Sphincter-dividing surgery in unrecognised Crohn’s disease |
| 10 | Faecal incontinence, constipation, and pelvic-floor disorders | Missed overflow, missed cauda equina, unhelpful laxative and antidiarrhoeal prescribing |
| 11 | STIs, proctitis, and anorectal sexual health | Missed gonorrhoea, chlamydia/LGV, syphilis, herpes, and HIV; judgemental history-taking |
| 12 | Anorectal trauma, sexual assault, and foreign bodies | Unsafe extraction, missed perforation, missed post-exposure prophylaxis, lost forensic evidence |
| 13 | Pregnancy, postpartum, and pelvic-floor anorectal disease | Unsafe prescribing in pregnancy and breastfeeding; missed OASIS-related incontinence |
| 14 | Paediatric and adolescent anorectal conditions | Missed streptococcal dermatitis, missed safeguarding concerns, adult-style procedures in children |
| 15 | Rare but important conditions | Missing radiation proctitis, SRUS, hidradenitis, Paget disease, stercoral perforation, neutropenic enterocolitis, post-procedure pelvic sepsis |
| App. A–F | Referral form · Medication safety · No-DRE checklist · Discharge sheets · SBAR templates · Patient handouts | Incomplete referrals, prescribing errors, unsafe examination, vague discharge advice, unclear escalation |
Clinically Significant Corrections Since Version 1
Readers who used Version 1 should note the following changes. Each is applied throughout Version 2.
Table F.3 — Safety-relevant corrections and clarifications
| Topic | Version 1 wording | Version 2 position and reason |
|---|---|---|
| SGLT2 inhibitors and Fournier’s gangrene | “FDA black-box warning”; “stop permanently” | The FDA issued a 2018 Drug Safety Communication and labelling warning — not a boxed warning. Stop the drug immediately when Fournier’s gangrene is suspected; any restart is a specialist decision. |
| Thrombosed external haemorrhoid | “Never incise”; excision is the only procedure | ASCRS 2024 suggests early excision in selected patients; the AGA 2026 expert review advises incision and drainage. Version 2 states the disagreement [U] and recommends excision of the clot and vessel where expertise exists, avoiding a small stab that leaves clot behind. |
| PPAC2 trial | “Packing doubled pain” | Packing produced higher pain (mean maximum VAS 38.2 vs 28.2) without reducing fistula (15% vs 11%) or recurrence. Exact figures now quoted. |
| Psyllium dose | “Psyllium 25–35 g/day” | 25–35 g/day is the total dietary fibre target. Psyllium supplements are usually started at about 3.5 g once or twice daily and titrated, with adequate fluid. |
| AGA 2026 citations | Attributed several thresholds to AGA without context | Now matched to the published best-practice advice: topical steroids ≤ 2 weeks; IRC preferred over banding in significant coagulopathy (platelets < 50 × 10⁹/L or INR > 2.0); defer haemorrhoid treatment in active IBD until remission. AGA 2026 is an ungraded expert review [C]. |
| BPRST citation | Wrong author list and year | Corrected: Sobrado et al., Ann Med Surg 2021 (cohort and algorithm) and Ann Coloproctol 2020 (original classification). |
| Drug body-packers | “Drug packets → straight to theatre” | Most asymptomatic body-packers are managed non-operatively with observation per toxicology protocol; surgery is for obstruction, perforation, or packet rupture with toxicity. Never grasp or puncture packets. Full guidance in Chapter 12. |
| Sodium phosphate enemas | “Never in patients > 65” | Avoid in older adults, CKD, dehydration, heart failure, bowel obstruction, and with ACE inhibitors, ARBs, diuretics, or NSAIDs; never exceed one dose in 24 hours (FDA 2014 safety communication). |
| Neutropenia “Forbidden Rectum Rule” | Presented as absolute | Retained as expert consensus / local protocol [C][L]. It forbids routine DRE, enemas, suppositories, and rectal thermometers — it never delays urgent surgical review or examination under anaesthesia when sepsis is suspected. |
| Unsupported numbers | e.g. “90% diagnosed on inspection”, “teach-back halves readmissions”, “prolapse shrinks 30–50%”, “75% of pruritus is hygiene-related” | Removed or rewritten as qualitative statements. Reported figures without strong sources (for example Fournier’s spread rate) are labelled “reported”. |
| Clock-face case | Contained contradictory orientation statements | Rewritten: clock positions depend on patient position and the examiner’s convention, so they are not interpretable without both — use anatomical quadrants. |
| Author’s surgical series | Cited without full reference | Fully referenced and labelled as a single-centre case series (low certainty), for example Lasheen et al. 2016 (71 patients, 1 recurrence). |
Structural Changes and Renumbering
To keep the new chapters in the sequence requested by clinical users, the four Version 1 safety-system chapters move to the end of the clinical section. Their content is retained and revised; cross-references are updated.
| Version 1 | Version 2 | Comment |
|---|---|---|
| Chapters 01–06 | Chapters 01–06 | Revised and upgraded to the full Version 2 template |
| Chapter 07 — The Safety Net | Chapter 16 | Red flags and triage matrix; colonoscopy content expanded in Chapter 08; drug table expanded in Appendix B |
| Chapter 08 — Getting the Exam Right | Chapter 17 | Linked to Appendix C (when not to do a DRE) |
| Chapter 09 — Nursing and MDT Excellence | Chapter 18 | Linked to Appendices D (discharge) and E (SBAR); specialty mini-guides expanded in Chapters 09, 13, and 14 |
| Chapter 10 — Synthesis and Self-Test | Chapter 19 | Linked to the final quick-reference section |
Evidence Review, Versioning, and Updates
| Item | Detail |
|---|---|
| Evidence-review date | 24 October 2026 — literature and guidelines considered up to this date. |
| Next scheduled full review | October 2028 (two-year cycle). |
| Interim safety updates | If a major guideline changes a recommendation in this book (for example ASCRS, AGA, ACG, ECCO, WSES, CDC, WHO, or NICE), a minor version (2.1, 2.2 …) is released on Zenodo with a dated change log. |
| Reporting errors | Readers are invited to report errors or outdated advice to Alfitamir@yahoo.com. Corrections are acknowledged in the next release notes. |
How Evidence Strength Is Labelled
Every key recommendation carries a guideline or trial citation and, where helpful, one of four labels. The labels describe how firmly a statement is supported — not how important it is.
| Label | Meaning | Typical source |
|---|---|---|
| [S] Strong | Evidence-based recommendation supported by graded guideline statements, randomised trials, or meta-analyses | ASCRS/ACG graded recommendations; PPAC2; Cochrane-level evidence |
| [C] Consensus | Expert consensus, ungraded expert review, or established practice with limited trial data | AGA Clinical Practice Updates; WSES consensus; widely adopted bedside practice |
| [L] Local protocol | Correct action depends on local policy, formulary, antibiogram, or service structure | Antibiotic choice, anticoagulation bridging, referral time targets, safeguarding pathways |
| [U] Uncertain | Evidence is limited or conflicting, or guidelines disagree | Thrombosed external haemorrhoid procedure choice; botulinum toxin dose; sitz-bath additives |
Visual Colour-Coding and Box Legend
| Element | Meaning and clinical action |
|---|---|
| 🟢 GREEN | Safe / outpatient: first-line medical care, clinic pathway, or expected normal recovery. |
| 🟡 YELLOW | Caution: further work-up, imaging, modified procedure choice, or urgent specialist referral. |
| 🔴 RED | Emergency: same-day surgical assessment, immediate escalation, or a contraindicated action. |
| 🚑 ER DOCTOR | Triage, resuscitation, bedside procedures, and escalation rules for the Emergency Department. |
| 🩺 GP / CLINIC | First-line prescribing, counselling, and structured referral triggers for primary care. |
| 🏥 NURSE & SBAR | Bedside preparation, wound and sitz-bath care, teach-back, and numerical SBAR escalation thresholds. |
| 💊 PRESCRIBING TRAP | High-alert drug interactions and prescribing errors to stop before they reach the patient. |
| ⛔ NEVER DO THIS | Actions that cause predictable, serious harm. |
| 📝 DOCUMENTATION ERROR | Common charting mistakes that mislead the next clinician or weaken medico-legal records. |
| 📨 REFERRAL URGENCY | Standardised urgency for each condition (definitions below). |
Standard Referral Urgency Definitions (Used in Every Chapter)
| Category | Definition | Typical examples |
|---|---|---|
| 🔴 EMERGENCY | Call the on-call surgeon or senior now; resuscitate in parallel; theatre or examination under anaesthesia without delay. Do not wait for imaging if it delays source control. | Fournier’s gangrene, post-banding pelvic sepsis, haemodynamically unstable bleeding, gangrenous prolapse, perforation |
| 🔴 SAME-DAY | Specialist assessment before the patient leaves hospital, or within hours. | Perianal or intersphincteric abscess, incarcerated prolapse, acute urinary retention after a procedure |
| 🟡 URGENT | Specialist review within about 2 weeks, or through the national suspected-cancer pathway where one exists [L]. | Suspected anal or colorectal cancer, atypical fissure, suspected perianal Crohn’s disease, positive FIT |
| 🟢 ROUTINE | Standard outpatient referral, or review in primary care at a stated interval. | Grade II–III haemorrhoids failing 4–6 weeks of conservative care; chronic fissure failing 6–8 weeks of therapy |
Standard fever threshold: throughout this handbook, “fever” in escalation rules and discharge advice means a temperature above 38.0 °C.
Time targets vary between health systems. Where a national pathway exists (for example a suspected-cancer referral standard), it overrides the generic interval above.
Clinical-Use Disclaimer
⚠️ CLINICAL-USE DISCLAIMER
- This handbook is an educational aid for qualified health professionals. It summarises published guidance and expert practice as of the evidence-review date.
- It supports, but does not replace, clinical judgement, local protocols, national formularies, and urgent specialist consultation. When this book and a local protocol differ, follow the local protocol and escalate the discrepancy.
- Doses are typical adult doses unless stated. Check every dose against the current national formulary, renal and hepatic function, pregnancy and breastfeeding status, age, weight, allergies, and interactions before prescribing.
- Nothing in this book should delay emergency resuscitation, surgical source control, safeguarding action, or referral of a suspected cancer.
- The author and publisher accept no liability for decisions made using this material. Off-label uses are identified where known.
How to Cite Version 2
📚 CITATION
Recommended citation (Vancouver): Elalfy TR. Common Anal Conditions: A Practical, Algorithmic Handbook for Non-Surgeons. Version 2.0. Al Khobar, Saudi Arabia: AlfiSurgery and Mohammad Dossary Hospital Department of General Surgery; 2026. Zenodo. doi:10.5281/zenodo.23605089 APA 7: Elalfy, T. R. (2026). Common anal conditions: A practical, algorithmic handbook for non-surgeons (Version 2.0) [Clinical handbook]. Zenodo. https://doi.org/10.5281/zenodo.23605089
⚠️ CORE STATEMENT
This handbook supports, but does not replace, clinical judgement, local protocols, and urgent specialist consultation. When in doubt, examine again, escalate early, and document clearly.