A 34-year-old man presents to the emergency department with a 6-hour history of worsening right iliac fossa pain. He reports initial periumbilical discomfort that migrated to the right lower quadrant. On examination, his temperature is 38.2°C, heart rate 95 bpm, and blood pressure 128/76 mmHg. He has maximal tenderness over McBurney's point with guarding and rebound tenderness. Blood tests show WCC 14.2 × 10⁹/L and CRP 45 mg/L. What is the most appropriate initial management?
Q232
A 69-year-old woman presents to colorectal clinic following surveillance colonoscopy for previous colonic polyps. Three polyps were identified and removed: (1) 8 mm tubular adenoma in ascending colon with low-grade dysplasia, (2) 12 mm tubulovillous adenoma in transverse colon with low-grade dysplasia, (3) 5 mm hyperplastic polyp in sigmoid colon. All polyps were completely excised with clear margins. She has no family history of colorectal cancer. According to UK (BSG) guidelines, what is the most appropriate surveillance interval?
Q233
A 32-year-old professional rugby player presents with a right inguinal hernia. He wishes to return to competitive sport as soon as possible. During consent discussion, he asks about the risk of chronic groin pain following mesh repair. According to current evidence, which statement regarding chronic pain after inguinal hernia repair is most accurate?
Q234
A 74-year-old man presents with large bowel obstruction. CT scan shows an obstructing carcinoma in the distal descending colon with proximal colonic dilatation to 11 cm and faecal loading. There is no evidence of perforation or distant metastases. He is haemodynamically stable but has mild abdominal distension. His comorbidities include COPD (FEV1 55% predicted) and ischaemic heart disease. What is the most appropriate initial surgical management?
Q235
A 47-year-old man undergoes urgent appendicectomy for acute appendicitis. Intraoperatively, the appendix is found to be 2 cm in diameter with a firm, indurated base adherent to the caecal wall. The appendix is removed and sent for histology. The pathology report describes a 1.8 cm well-differentiated neuroendocrine tumour confined to the submucosa with clear resection margins at the appendix base. The mitotic rate is <2 per 10 high-power fields and Ki-67 index is 1%. What is the most appropriate next step in management?
Q236
A 68-year-old man with known ulcerative colitis for 20 years presents with rectal bleeding and change in bowel habit. Colonoscopy reveals a sigmoid mass and multiple biopsies confirm invasive adenocarcinoma. Staging investigations show a T3N1M0 tumour suitable for resection. During MDT discussion, the team considers whether he requires subtotal colectomy or segmental resection. Which factor most strongly supports performing a subtotal colectomy rather than sigmoid colectomy?
Q237
A 56-year-old woman is diagnosed with a 4 cm rectal adenocarcinoma 10 cm from the anal verge. Staging CT chest/abdomen/pelvis shows no distant metastases. MRI pelvis reports a T2 tumour with no lymph node involvement and a clear circumferential resection margin. Pre-operative investigations are satisfactory. What is the most appropriate management plan?
Q238
A 38-year-old man presents with a reducible right inguinal hernia that has been present for 6 months. He is an amateur weightlifter and the hernia causes discomfort during training. He wishes to proceed with repair. He has no significant medical history and BMI is 24 kg/m². What is the most appropriate surgical approach according to current UK guidelines?
Q239
A 63-year-old woman undergoes colonoscopy for iron deficiency anaemia. A 3 cm polyp is identified in the ascending colon and is completely removed endoscopically. Histology shows a tubulovillous adenoma with high-grade dysplasia and focal adenocarcinoma invading into the submucosa (pT1). The carcinoma shows lymphovascular invasion, and the resection margin is 1 mm clear. What is the most appropriate next step in management?
Q240
A 19-year-old man presents with 48 hours of right iliac fossa pain, fever of 38.5°C, and a palpable tender mass in the right lower abdomen. Blood tests show WBC 16.2 × 10⁹/L and CRP 142 mg/L. CT scan confirms appendicitis with a 5 cm peri-appendiceal abscess. He is haemodynamically stable. What is the most appropriate initial management according to current UK practice?
General Surgery UK Medical PG Practice Questions and MCQs
Question 231: A 34-year-old man presents to the emergency department with a 6-hour history of worsening right iliac fossa pain. He reports initial periumbilical discomfort that migrated to the right lower quadrant. On examination, his temperature is 38.2°C, heart rate 95 bpm, and blood pressure 128/76 mmHg. He has maximal tenderness over McBurney's point with guarding and rebound tenderness. Blood tests show WCC 14.2 × 10⁹/L and CRP 45 mg/L. What is the most appropriate initial management?
A. Commence intravenous antibiotics and observe for 24 hours
B. Arrange urgent CT abdomen and pelvis prior to any intervention
C. Proceed to emergency laparoscopic appendicectomy (Correct Answer)
D. Perform diagnostic laparoscopy to confirm diagnosis
E. Arrange urgent ultrasound scan of the abdomen
Explanation: ***Proceed to emergency laparoscopic appendicectomy***
- The patient presents with classic **migratory pain**, **McBurney's point tenderness**, and systemic signs of inflammation (fever, elevated WCC, CRP), which are highly indicative of **acute appendicitis**.
- In a young adult male with a strong clinical picture, the benefits of prompt surgical intervention to prevent complications like **perforation** outweigh the need for further diagnostic imaging, making immediate surgery the most appropriate initial management.
*Commence intravenous antibiotics and observe for 24 hours*
- While **antibiotic-first management** for uncomplicated appendicitis is being explored, it is typically reserved for highly selected cases, and not usually the initial management for a patient presenting with clear signs of progressing inflammation like guarding and rebound tenderness.
- **Observation** without immediate surgical intervention in a patient with progressive symptoms and signs of peritoneal irritation carries a significant risk of **appendix rupture** and peritonitis.
*Arrange urgent CT abdomen and pelvis prior to any intervention*
- Although **CT imaging** is highly sensitive and specific for appendicitis, it is often not necessary in a patient with a classic clinical presentation, especially in a young adult male, as it introduces **radiation exposure** and delays definitive treatment.
- Imaging, particularly CT, is more indicated in **atypical presentations**, children, women of childbearing age, or the elderly where the differential diagnosis is broader.
*Perform diagnostic laparoscopy to confirm diagnosis*
- While **diagnostic laparoscopy** can confirm appendicitis, the procedure is typically converted to a **therapeutic laparoscopic appendicectomy** once the diagnosis is confirmed intraoperatively.
- If the clinical suspicion is already very high, proceeding directly to therapeutic surgery is more efficient than a separate diagnostic step which is itself an invasive procedure.
*Arrange urgent ultrasound scan of the abdomen*
- **Ultrasound** is a useful initial imaging modality, especially in children and women of childbearing age to avoid radiation and evaluate gynecological pathology, but its **sensitivity and specificity** are lower than CT in adults.
- In this adult male with clear clinical findings, a negative or inconclusive ultrasound would not definitively rule out appendicitis and might still necessitate further imaging or surgical exploration.
Question 232: A 69-year-old woman presents to colorectal clinic following surveillance colonoscopy for previous colonic polyps. Three polyps were identified and removed: (1) 8 mm tubular adenoma in ascending colon with low-grade dysplasia, (2) 12 mm tubulovillous adenoma in transverse colon with low-grade dysplasia, (3) 5 mm hyperplastic polyp in sigmoid colon. All polyps were completely excised with clear margins. She has no family history of colorectal cancer. According to UK (BSG) guidelines, what is the most appropriate surveillance interval?
A. No further surveillance required
B. Colonoscopy in 1 year
C. Colonoscopy in 3 years (Correct Answer)
D. Colonoscopy in 5 years
E. CT colonography in 3 years
Explanation: ***Colonoscopy in 3 years***
- According to **BSG 2020 guidelines**, the presence of a **12 mm tubulovillous adenoma** with low-grade dysplasia classifies this patient as high-risk for future advanced adenoma or colorectal cancer.
- For individuals categorized as high-risk due to findings like a large tubulovillous adenoma, the recommended surveillance is a **one-off colonoscopy in 3 years** following complete excision of the polyps.
*No further surveillance required*
- This recommendation is typically reserved for patients with only **1 or 2 small (<10 mm) tubular adenomas** with low-grade dysplasia, who are considered low-risk and can return to routine screening.
- The identification of a **12 mm tubulovillous adenoma** elevates this patient's risk profile, making further surveillance mandatory.
*Colonoscopy in 1 year*
- A **1-year surveillance interval** is generally indicated for very high-risk situations, such as **incomplete excision** of a large or complex polyp, or for patients with a very high adenoma burden (e.g., ≥5 adenomas).
- In this case, all polyps were **completely excised** with clear margins, and the specific polyp findings do not meet the criteria for a 1-year follow-up.
*Colonoscopy in 5 years*
- While longer intervals exist for surveillance, a **5-year interval** is typically considered for lower-risk groups or after a negative initial surveillance in high-risk patients.
- Given the recent finding of a **12 mm tubulovillous adenoma**, a shorter **3-year interval** is the initial recommendation to ensure prompt detection of any new or recurrent lesions.
*CT colonography in 3 years*
- **Colonoscopy** remains the gold standard for post-polypectomy surveillance because it allows for both visualization and immediate **therapeutic intervention** (biopsy and polypectomy).
- **CT colonography** is typically reserved for situations where optical colonoscopy is technically incomplete, contraindicated, or not tolerated, which is not specified in this patient's presentation.
Question 233: A 32-year-old professional rugby player presents with a right inguinal hernia. He wishes to return to competitive sport as soon as possible. During consent discussion, he asks about the risk of chronic groin pain following mesh repair. According to current evidence, which statement regarding chronic pain after inguinal hernia repair is most accurate?
A. Chronic pain occurs in <1% of patients and is usually neuropathic in origin
B. The risk of chronic pain is significantly higher with laparoscopic compared to open repair
C. Chronic moderate to severe pain affecting daily activities occurs in approximately 10-12% of patients (Correct Answer)
D. Lightweight mesh has been proven to significantly reduce chronic pain compared to heavyweight mesh
E. Prophylactic ilioinguinal nerve division reduces chronic pain incidence
Explanation: ***Chronic moderate to severe pain affecting daily activities occurs in approximately 10-12% of patients***
- Evidence suggests that while some degree of pain occurs in up to **30% of patients**, significant pain impacting daily life is seen in **10-12%**.
- This is a critical counseling point for active individuals, as pain can be **neuropathic** or **nociceptive** (mesh-related) and persist beyond 3 months.
*Chronic pain occurs in <1% of patients and is usually neuropathic in origin*
- The incidence is much higher than **1%**, making this an underestimation of a very common surgical complication.
- Although **neuropathic** origin is common, pain can also be caused by **fibrosis**, **mesh contraction**, or **mechanical irritation**.
*The risk of chronic pain is significantly higher with laparoscopic compared to open repair*
- Modern evidence indicates that **laparoscopic (TEP/TAPP)** repairs actually have a lower or similar risk of chronic pain compared to **Lichtenstein open repair**.
- Laparoscopic surgery avoids large incisions and extensive dissection of the **inguinal nerves**, which reduces post-operative morbidity.
*Lightweight mesh has been proven to significantly reduce chronic pain compared to heavyweight mesh*
- Systematic reviews show no consistent, significant reduction in **long-term chronic pain** when comparing **lightweight** and **heavyweight** meshes.
- While lightweight mesh may reduce **stiffness** or foreign body sensation, it does not reliably lower the incidence of debilitating pain.
*Prophylactic ilioinguinal nerve division reduces chronic pain incidence*
- The routine division of the **ilioinguinal nerve** is controversial and not a standard recommendation for preventing chronic pain.
- This practice results in permanent **sensory loss** (numbness) in the groin and has not been shown to definitively improve pain outcomes.
Question 234: A 74-year-old man presents with large bowel obstruction. CT scan shows an obstructing carcinoma in the distal descending colon with proximal colonic dilatation to 11 cm and faecal loading. There is no evidence of perforation or distant metastases. He is haemodynamically stable but has mild abdominal distension. His comorbidities include COPD (FEV1 55% predicted) and ischaemic heart disease. What is the most appropriate initial surgical management?
A. Segmental resection with primary anastomosis
B. Hartmann's procedure (resection with end colostomy) (Correct Answer)
C. Total colectomy with ileorectal anastomosis
D. Defunctioning loop colostomy proximal to tumour
E. Self-expanding metal stent (SEMS) insertion followed by delayed resection
Explanation: ***Hartmann's procedure (resection with end colostomy)***- This procedure is the safest initial surgical management for an **elderly patient** with an **obstructing distal colon carcinoma**, significant **proximal dilatation (11 cm)**, and **major comorbidities** like COPD and ischaemic heart disease.- It involves **resection of the tumour** and creation of an **end colostomy**, avoiding a high-risk primary anastomosis on a grossly dilated, unprepared, and potentially contaminated bowel, thus significantly reducing the risk of **anastomotic leakage** and sepsis.*Segmental resection with primary anastomosis*- Performing a **primary anastomosis** in an emergency setting for **obstructing left-sided colonic carcinoma** with significant proximal dilatation and faecal loading carries a **very high risk of anastomotic leakage** and subsequent peritonitis.- The patient's **age and multiple comorbidities** (COPD, ischaemic heart disease) further elevate the surgical risk, making this a highly inappropriate choice.*Total colectomy with ileorectal anastomosis*- This is an **extensive, highly invasive, and lengthy procedure** that would impose significant physiological stress on an elderly patient with **major cardiorespiratory comorbidities**.- It is typically reserved for diffuse colonic pathologies like synchronous cancers, inflammatory bowel disease, or familial polyposis, and is **not indicated** for a single obstructing lesion in the distal descending colon.*Defunctioning loop colostomy proximal to tumour*- While a **defunctioning colostomy** would relieve the obstruction and decompress the colon, it leaves the **primary carcinoma in situ**, meaning the patient would require a second, definitive surgery for cancer removal.- This approach does not offer immediate oncological clearance and is generally reserved for situations where definitive resection is not immediately feasible or for palliation, not as the most appropriate initial surgical management for a resectable tumour in a stable patient.*Self-expanding metal stent (SEMS) insertion followed by delayed resection*- Although SEMS can serve as a **bridge to surgery**, the significant **proximal colonic dilatation (11 cm)** increases the risk of **perforation** during or after stent insertion.- For an otherwise stable patient with high-risk features like severe dilatation, **immediate surgical intervention** to remove the obstruction (e.g., Hartmann's procedure) is often considered safer and more definitive than stenting with its inherent risks and delayed definitive treatment.
Question 235: A 47-year-old man undergoes urgent appendicectomy for acute appendicitis. Intraoperatively, the appendix is found to be 2 cm in diameter with a firm, indurated base adherent to the caecal wall. The appendix is removed and sent for histology. The pathology report describes a 1.8 cm well-differentiated neuroendocrine tumour confined to the submucosa with clear resection margins at the appendix base. The mitotic rate is <2 per 10 high-power fields and Ki-67 index is 1%. What is the most appropriate next step in management?
A. No further treatment required; arrange surveillance (Correct Answer)
B. Right hemicolectomy
C. Adjuvant chemotherapy with octreotide
D. PET-CT scan for staging
E. Completion appendicectomy with wider margins
Explanation: ***No further treatment required; arrange surveillance*** - Appendiceal **neuroendocrine tumours (NETs)** that are **<2 cm** in size and **well-differentiated** (G1) with low Ki-67/mitotic rates and clear margins are cured by simple **appendicectomy**.- This patient's tumour meets all criteria for conservative management: it is **1.8 cm**, confined to the submucosa, and has **favourable histology** (Ki-67 1%).*Right hemicolectomy*- This procedure is indicated only if the tumour is **>2 cm**, involves the **base of the appendix** (involved margins), or shows **lymphovascular invasion**.- Inclusion of high-grade features or **mesoappendiceal invasion** would also necessitate more radical surgery, none of which are present here.*Adjuvant chemotherapy with octreotide*- **Octreotide** is a somatostatin analogue generally used for symptom control in **carcinoid syndrome** or metastatic disease, not for localized Grade 1 NETs.- Chemotherapy is not indicated for **early-stage, well-differentiated** NETs of the appendix following successful resection.*PET-CT scan for staging*- Staging with **Gallium-68 DOTATATE PET-CT** is reserved for higher-risk cases or when **metastatic disease** is suspected clinically or radiologically.- For a small, low-grade tumour completely excised during appendicectomy, routine **PET-CT staging** is not standard practice.*Completion appendicectomy with wider margins*- The primary appendicectomy already achieved **clear resection margins** at the appendix base, making further local excision unnecessary.- Appendicectomy is an "all or nothing" procedure for the organ; if wider surgical margins were required, a **right hemicolectomy** would be the appropriate choice over a re-excision of a removed organ base.
Question 236: A 68-year-old man with known ulcerative colitis for 20 years presents with rectal bleeding and change in bowel habit. Colonoscopy reveals a sigmoid mass and multiple biopsies confirm invasive adenocarcinoma. Staging investigations show a T3N1M0 tumour suitable for resection. During MDT discussion, the team considers whether he requires subtotal colectomy or segmental resection. Which factor most strongly supports performing a subtotal colectomy rather than sigmoid colectomy?
A. Age over 65 years
B. Presence of synchronous adenomas elsewhere in the colon
C. Long-standing ulcerative colitis with extensive colonic involvement (Correct Answer)
D. T3 stage of the primary tumour
E. Node-positive disease (N1)
Explanation: ***Long-standing ulcerative colitis with extensive colonic involvement***
- Patients with **long-standing ulcerative colitis** (typically >8-10 years) and **extensive colonic involvement** have a significantly increased risk of developing **metachronous cancer** and **dysplasia** throughout the colonic mucosa due to chronic inflammation (field change).
- A **subtotal colectomy** is preferred to remove the entire at-risk, diseased colon, thereby minimizing the future risk of subsequent cancer development in residual colon segments.
*Age over 65 years*
- **Advanced age** is not an independent indication for more extensive surgery; surgical decisions are generally tailored to a patient's overall health status and **comorbidities**.
- In elderly patients, a **segmental resection** might even be favored to reduce surgical morbidity and mortality, unless specific oncological or inflammatory bowel disease factors necessitate a wider resection.
*Presence of synchronous adenomas elsewhere in the colon*
- **Synchronous adenomas** found incidentally elsewhere in the colon can often be managed with **endoscopic polypectomy** or included within the margins of a standard segmental resection.
- While they indicate a predisposition to polyps, their presence alone does not carry the same diffuse, high risk of **dysplastic field change** across the entire colon as extensive, long-standing ulcerative colitis.
*T3 stage of the primary tumour*
- The **T3 stage** (tumor invading through the muscularis propria into the subserosa) primarily indicates the **depth of invasion** of the local tumor.
- This staging factor is critical for predicting **local recurrence** and guiding the need for **adjuvant chemotherapy**, but it does not dictate the longitudinal extent of the bowel to be resected.
*Node-positive disease (N1)*
- **Node-positive disease (N1)** signifies regional lymph node involvement and is a key prognostic indicator, influencing the recommendation for **adjuvant systemic therapy**.
- An adequate **lymphadenectomy** (removal of draining lymph nodes) can be achieved within the scope of a standard **segmental colectomy** for the primary tumor, and N1 status does not mandate a subtotal colectomy.
Question 237: A 56-year-old woman is diagnosed with a 4 cm rectal adenocarcinoma 10 cm from the anal verge. Staging CT chest/abdomen/pelvis shows no distant metastases. MRI pelvis reports a T2 tumour with no lymph node involvement and a clear circumferential resection margin. Pre-operative investigations are satisfactory. What is the most appropriate management plan?
A. Neoadjuvant long-course chemoradiotherapy followed by anterior resection
B. Neoadjuvant short-course radiotherapy followed by anterior resection
C. Primary surgery with anterior resection and total mesorectal excision (Correct Answer)
D. Transanal endoscopic microsurgery (TEMS) alone
E. Palliative stenting and chemotherapy
Explanation: ***Primary surgery with anterior resection and total mesorectal excision***
- In patients with a **T2N0 rectal adenocarcinoma** and a **clear circumferential resection margin (CRM)**, primary surgery is the standard of care to avoid the morbidity and toxicity associated with neoadjuvant therapy.
- For a tumor located **10 cm from the anal verge**, an **anterior resection** with **Total Mesorectal Excision (TME)** provides optimal oncological clearance while often allowing for sphincter preservation.
*Neoadjuvant long-course chemoradiotherapy followed by anterior resection*
- **Long-course chemoradiotherapy** is typically reserved for **locally advanced rectal cancer** (T3/T4) or cases where the **circumferential resection margin (CRM)** is threatened or involved.
- This patient's **T2N0 tumor** with a clear CRM does not warrant pre-operative down-staging, making this approach overly aggressive and associated with unnecessary toxicity.
*Neoadjuvant short-course radiotherapy followed by anterior resection*
- **Short-course radiotherapy** is often considered for **early T3** or some **N1/N2 rectal tumors** to reduce local recurrence rates.
- For a **T2N0 tumor** with clear margins on MRI, the additional benefit of short-course radiotherapy may not outweigh the potential long-term **anorectal and sexual dysfunction** side effects.
*Transanal endoscopic microsurgery (TEMS) alone*
- **TEMS** (or other local excisions) is generally indicated for **very early (T1) rectal cancers** without unfavorable features (e.g., lymphovascular invasion, poor differentiation) or benign polyps.
- A **4 cm T2 adenocarcinoma** is too advanced for local excision alone, as it requires proper **lymph node staging** and removal, which is achieved through **Total Mesorectal Excision (TME)**.
*Palliative stenting and chemotherapy*
- This approach is reserved for patients with **metastatic disease** or those deemed medically unfit for curative surgical intervention.
- Since the patient has **no distant metastases** and is fit for surgery, the primary goal should be **curative resection**, not palliation.
Question 238: A 38-year-old man presents with a reducible right inguinal hernia that has been present for 6 months. He is an amateur weightlifter and the hernia causes discomfort during training. He wishes to proceed with repair. He has no significant medical history and BMI is 24 kg/m². What is the most appropriate surgical approach according to current UK guidelines?
A. Open tension-free mesh repair (Lichtenstein technique) (Correct Answer)
B. Laparoscopic totally extraperitoneal (TEP) repair
C. Open tissue repair (Shouldice technique)
D. Laparoscopic transabdominal preperitoneal (TAPP) repair
E. Watchful waiting as the hernia is reducible
Explanation: ***Open tension-free mesh repair (Lichtenstein technique)***
- According to **NICE** and **British Hernia Society** guidelines, the **Lichtenstein technique** is the gold standard for primary unilateral inguinal hernias due to low **recurrence rates** and cost-effectiveness.
- It is preferred for its versatility as it can be performed under **local anesthesia** and has a shorter operative time compared to laparoscopic methods.
*Laparoscopic totally extraperitoneal (TEP) repair*
- While acceptable for primary hernias, it is generally prioritized for **bilateral hernias** or **recurrent hernias** following previous open repair.
- Requires **general anesthesia** and specialized surgical expertise, making it less of a universal first-line choice than open repair for simple unilateral cases.
*Open tissue repair (Shouldice technique)*
- This technique has a higher **recurrence rate** (approximately 4-5%) compared to mesh repairs and is technically more demanding to perform correctly.
- It is usually reserved for patients who specifically refuse **prosthetic mesh** or in the context of contaminated surgical fields.
*Laparoscopic transabdominal preperitoneal (TAPP) repair*
- Similar to TEP, this approach is excellent for **bilateral or recurrent** cases but carries a risk of **intra-abdominal visceral injury** due to peritoneal entry.
- For a standard unilateral hernia in a healthy patient, it does not offer superior outcomes to the **Lichtenstein** method in primary settings.
*Watchful waiting as the hernia is reducible*
- This strategy is appropriate for **asymptomatic** or minimally symptomatic patients who are willing to accept the risk of future incarceration.
- Since this patient is an **active weightlifter** experiencing **discomfort** and requesting repair, surgical intervention is clinically indicated.
Question 239: A 63-year-old woman undergoes colonoscopy for iron deficiency anaemia. A 3 cm polyp is identified in the ascending colon and is completely removed endoscopically. Histology shows a tubulovillous adenoma with high-grade dysplasia and focal adenocarcinoma invading into the submucosa (pT1). The carcinoma shows lymphovascular invasion, and the resection margin is 1 mm clear. What is the most appropriate next step in management?
A. Colonoscopic surveillance in 1 year
B. Repeat colonoscopy in 3 months to assess resection site
C. Right hemicolectomy (Correct Answer)
D. CT surveillance every 6 months
E. Adjuvant chemotherapy with capecitabine
Explanation: ***Right hemicolectomy***
- Formal **oncological resection** is indicated because the malignant polyp exhibits **high-risk features**, specifically **lymphovascular invasion (LVI)** and a narrow **resection margin** of 1 mm.
- The presence of LVI and high-grade dysplasia increases the risk of **lymph node metastasis** to approximately 10-20%, making endoscopic excision alone insufficient.
*Colonoscopic surveillance in 1 year*
- This approach is only appropriate for low-risk malignant polyps with **clear margins (>1 mm)** and no adverse histological features.
- Relying on surveillance in this case would ignore the significant risk of **residual disease** or nodal involvement highlighted by the LVI.
*Repeat colonoscopy in 3 months to assess resection site*
- While used for benign polyps removed piecemeal, it is inadequate for **pT1 adenocarcinoma** with high-risk pathology.
- A repeat local assessment cannot detect or treat potential **mesenteric lymph node** spread associated with LVI.
*CT surveillance every 6 months*
- Imaging alone is not a primary treatment modality for localized **T1 colorectal cancer** with high-risk features.
- Surveillance is a post-treatment follow-up strategy and does not address the need for **definitive surgical clearance**.
*Adjuvant chemotherapy with capecitabine*
- Chemotherapy is generally indicated for **Stage III (node-positive)** disease or high-risk Stage II, not for pT1 lesions.
- The immediate next step is achieving **locoregional control** via surgery; systemic therapy is not standard for T1N0 disease.
Question 240: A 19-year-old man presents with 48 hours of right iliac fossa pain, fever of 38.5°C, and a palpable tender mass in the right lower abdomen. Blood tests show WBC 16.2 × 10⁹/L and CRP 142 mg/L. CT scan confirms appendicitis with a 5 cm peri-appendiceal abscess. He is haemodynamically stable. What is the most appropriate initial management according to current UK practice?
A. Emergency appendicectomy within 6 hours
B. CT-guided percutaneous drainage and intravenous antibiotics
C. Intravenous antibiotics alone with interval appendicectomy in 6-8 weeks (Correct Answer)
D. Immediate laparotomy and right hemicolectomy
E. Laparoscopic drainage and appendicectomy
Explanation: ***Intravenous antibiotics alone with interval appendicectomy in 6-8 weeks***
- For a stable patient with an established **appendiceal mass or abscess**, initial conservative management with **intravenous antibiotics** is the standard of care to allow inflammation to subside.
- An **interval appendicectomy** 6-8 weeks later is typically recommended to prevent recurrence and to exclude any underlying pathology, although less critical in a young patient.
*Emergency appendicectomy within 6 hours*
- Performing an **emergency appendicectomy** on an inflamed **appendiceal mass** is technically very difficult due to dense adhesions, increasing the risk of bowel injury, fistula formation, and other complications.
- Immediate surgery is generally reserved for patients with signs of **generalized peritonitis** or hemodynamic instability, which are absent in this case.
*CT-guided percutaneous drainage and intravenous antibiotics*
- While **CT-guided drainage** is a valid option for larger or persistent abscesses, a 5 cm abscess in a stable patient often responds well to **intravenous antibiotics alone** as the initial treatment.
- Percutaneous drainage is usually considered if the patient fails to improve clinically (e.g., persistent fever, leukocytosis) after 48-72 hours of antibiotic therapy.
*Immediate laparotomy and right hemicolectomy*
- A **right hemicolectomy** is a major surgical procedure that is not indicated as a first-line treatment for an uncomplicated appendiceal abscess in a young, stable patient.
- This procedure is typically reserved for cases where malignancy cannot be excluded, or in severe, complicated inflammatory conditions that are refractory to other treatments.
*Laparoscopic drainage and appendicectomy*
- Attempting **laparoscopic appendicectomy** in the presence of a mature **appendiceal abscess** or phlegmon is associated with high rates of **conversion to open surgery** and increased perioperative morbidity.
- The preferred strategy involves initial non-operative management to resolve acute inflammation, followed by an elective **interval appendicectomy** if deemed necessary.
