General Surgery — MCQs
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A 67-year-old man with a history of chronic constipation presents with abdominal distension, colicky pain, and absolute constipation for 3 days. Abdominal X-ray shows dilated loops of large bowel with a coffee bean sign. CT scan confirms a sigmoid volvulus with no evidence of perforation or ischaemia. The patient is clinically stable. What is the most appropriate initial management?
A 21-year-old woman presents with a 30-hour history of lower abdominal pain. She initially thought it was related to her menstrual period, but the pain has worsened and localised to the right iliac fossa. Her temperature is 37.8°C, heart rate 88 bpm, and white cell count 13.5 × 10⁹/L. Pelvic examination reveals right adnexal tenderness. Urinary β-hCG is negative. Transvaginal ultrasound shows a normal appendix but a 6 cm right ovarian mass with no Doppler flow. What is the most appropriate management?
A 40-year-old man undergoes laparoscopic repair of a right inguinal hernia. During dissection, the hernia sac is identified lateral to the inferior epigastric vessels. What type of hernia is this, and what structure does it pass through?
A 53-year-old man undergoes an elective right hemicolectomy for a caecal adenocarcinoma. Histopathology reports a pT3 N1b M0 tumour with 5 out of 18 lymph nodes showing metastatic disease. The tumour shows no adverse histological features and complete resection was achieved (R0). According to current UK guidelines, what adjuvant treatment is most appropriate?
What is the most common position of the appendix in relation to the caecum?
A 59-year-old man with a T3 N2 M0 adenocarcinoma of the mid-rectum located 7 cm from the anal verge undergoes neoadjuvant treatment. MRI staging after completion of chemoradiotherapy shows good response with downstaging to yT2 N0. Which surgical approach offers the best oncological outcome?
A 47-year-old woman presents to the emergency department with sudden onset severe pain in her left groin. She has a past medical history of two previous caesarean sections. On examination, there is a tender, irreducible 3 cm lump below and lateral to the pubic tubercle. She is apyrexial but tachycardic at 105 bpm. What is the most appropriate immediate management?
A 63-year-old man is found to have a 2.5 cm polyp in the sigmoid colon during screening colonoscopy. The polyp is removed by endoscopic mucosal resection and histology shows a tubular adenoma with high-grade dysplasia. The resection margins are clear with no evidence of submucosal invasion. What is the most appropriate further management?
A 31-year-old man presents to the emergency department with a 20-hour history of central abdominal pain that has localised to the right iliac fossa. On examination, he has a temperature of 38.2°C and tenderness with guarding in the right iliac fossa. His white cell count is 16.2 × 10⁹/L. CT scan shows an inflamed appendix with a periappendiceal collection measuring 5 cm in diameter. His observations are stable with a blood pressure of 125/78 mmHg and heart rate of 92 bpm. What is the most appropriate initial management?
A 69-year-old woman undergoes a surveillance colonoscopy 15 months after curative resection of a Duke's B sigmoid colon cancer. The examination identifies two polyps: a 5 mm polyp in the ascending colon and a 9 mm polyp in the transverse colon. Both polyps are removed completely and histology confirms tubular adenomas with low-grade dysplasia and clear margins. Her post-operative CEA level 3 months ago was within normal range, and she remains well with no symptoms. Based on current UK guidance for post-colorectal cancer surveillance, what is the most appropriate next step in her management?
General Surgery UK Medical PG Practice Questions and MCQs
Question 151: A 67-year-old man with a history of chronic constipation presents with abdominal distension, colicky pain, and absolute constipation for 3 days. Abdominal X-ray shows dilated loops of large bowel with a coffee bean sign. CT scan confirms a sigmoid volvulus with no evidence of perforation or ischaemia. The patient is clinically stable. What is the most appropriate initial management?
- A. Emergency laparotomy with sigmoid colectomy and end colostomy
- B. Flexible sigmoidoscopy with decompression and flatus tube insertion
- C. Rigid sigmoidoscopy with decompression and rectal tube insertion (Correct Answer)
- D. Emergency laparoscopic sigmoid colectomy with primary anastomosis
- E. Conservative management with intravenous fluids and nasogastric decompression
Explanation: ***Rigid sigmoidoscopy with decompression and rectal tube insertion*** - In a stable patient with **sigmoid volvulus** and no signs of ischemia or perforation, **endoscopic decompression** is the first-line treatment, achieving success in 70-80% of cases. - **Rigid sigmoidoscopy** allows for the direct visualization of the torsion site and the placement of a **flatus tube**, which is essential to prevent immediate recurrence. *Emergency laparotomy with sigmoid colectomy and end colostomy* - This approach (Hartmann's procedure) is reserved for cases with evidence of **bowel ischemia**, gangrene, or **perforation**. - Since the patient is clinically stable and the CT scan showed no complications, **non-operative decompression** is preferred initially. *Flexible sigmoidoscopy with decompression and flatus tube insertion* - While flexible sigmoidoscopy can be used, **rigid sigmoidoscopy** is traditionally preferred in many guidelines for better control and easier tube placement during acute sigmoid decompression. - It is less effective than the rigid approach for securing the rectal tube in the correct position to maintain decompression. *Emergency laparoscopic sigmoid colectomy with primary anastomosis* - Surgery is not the first-line management for a stable patient; a **sigmoidectomy** is usually performed electively after successful decompression to prevent high recurrence rates. - **Primary anastomosis** in an emergency setting with an unprepared, dilated bowel carries a high risk of **anastomotic leak**. *Conservative management with intravenous fluids and nasogastric decompression* - Conservative measures alone cannot resolve the mechanical torsion; they are supportive but do not address the **large bowel obstruction**. - Delaying decompression or surgical intervention increases the risk of **bowel strangulation** and necrosis.
Question 152: A 21-year-old woman presents with a 30-hour history of lower abdominal pain. She initially thought it was related to her menstrual period, but the pain has worsened and localised to the right iliac fossa. Her temperature is 37.8°C, heart rate 88 bpm, and white cell count 13.5 × 10⁹/L. Pelvic examination reveals right adnexal tenderness. Urinary β-hCG is negative. Transvaginal ultrasound shows a normal appendix but a 6 cm right ovarian mass with no Doppler flow. What is the most appropriate management?
- A. Emergency laparoscopy for suspected ovarian torsion (Correct Answer)
- B. Laparoscopic appendicectomy
- C. Conservative management with antibiotics for pelvic inflammatory disease
- D. Urgent MRI pelvis to further characterise the ovarian mass
- E. Diagnostic laparoscopy with appendicectomy if appendix appears abnormal
Explanation: ***Emergency laparoscopy for suspected ovarian torsion***- The patient's presentation of acute, worsening right iliac fossa pain, **right adnexal tenderness**, and ultrasound findings of a **6 cm right ovarian mass** with **absent Doppler flow** are highly characteristic of **ovarian torsion**.- Ovarian torsion is a **surgical emergency** requiring prompt **laparoscopic detorsion** to restore blood supply and prevent irreversible **ovarian necrosis**, thus preserving fertility.*Laparoscopic appendicectomy*- The transvaginal ultrasound explicitly identified a **normal appendix**, making appendicitis an unlikely diagnosis and removing the primary indication for an appendicectomy.- Performing an appendicectomy would fail to address the critical, time-sensitive issue of **ovarian vascular compromise** indicated by the lack of Doppler flow.*Conservative management with antibiotics for pelvic inflammatory disease*- **Pelvic inflammatory disease (PID)** typically presents with bilateral adnexal tenderness, often without a distinct ovarian mass, and is managed with antibiotics; however, it does not explain the absent Doppler flow.- Ovarian torsion is a **mechanical emergency**; conservative management with antibiotics would lead to **irreversible ovarian damage** due to prolonged ischemia.*Urgent MRI pelvis to further characterise the ovarian mass*- While MRI can offer more detailed imaging, obtaining it would introduce a **harmful delay** in management, as **time-to-surgery** is critical for salvaging a twisted ovary.- The ultrasound findings of an **ovarian mass with absent Doppler flow** are already sufficiently diagnostic to warrant immediate surgical intervention.*Diagnostic laparoscopy with appendicectomy if appendix appears abnormal*- A general diagnostic laparoscopy is less appropriate as the specific pathology has been localized to the ovary by ultrasound, and the priority is focused intervention.- Performing an appendicectomy, especially when the appendix is ultrasound-normal, would unnecessarily extend the procedure and divert focus from the **urgent detorsion** required for the compromised ovary.
Question 153: A 40-year-old man undergoes laparoscopic repair of a right inguinal hernia. During dissection, the hernia sac is identified lateral to the inferior epigastric vessels. What type of hernia is this, and what structure does it pass through?
- A. Direct inguinal hernia passing through the deep inguinal ring
- B. Indirect inguinal hernia passing through the deep inguinal ring (Correct Answer)
- C. Direct inguinal hernia passing through Hesselbach's triangle
- D. Femoral hernia passing through the femoral ring
- E. Indirect inguinal hernia passing through the superficial inguinal ring
Explanation: ***Indirect inguinal hernia passing through the deep inguinal ring***- A hernia sac identified **lateral to the inferior epigastric vessels** is the hallmark anatomical definition of an **indirect inguinal hernia**, typically resulting from a **patent processus vaginalis**.- This type of hernia enters the inguinal canal through the **deep inguinal ring**, an opening in the **transversalis fascia**, and then travels down the inguinal canal.*Direct inguinal hernia passing through the deep inguinal ring*- **Direct inguinal hernias** are located **medial to the inferior epigastric vessels**, not lateral.- They do not pass through the **deep inguinal ring** but rather protrude directly through an acquired weakness in the **posterior wall** of the inguinal canal (within Hesselbach's triangle).*Direct inguinal hernia passing through Hesselbach's triangle*- While **direct hernias** are indeed found within **Hesselbach's triangle**, this anatomical region is defined as being **medial to the inferior epigastric vessels**.- The scenario specifies the hernia sac was **lateral to the inferior epigastric vessels**, thus excluding a direct hernia passing through Hesselbach's triangle.*Femoral hernia passing through the femoral ring*- **Femoral hernias** are found **inferior to the inguinal ligament** and pass through the **femoral ring** into the femoral canal, medial to the femoral vein.- The location relative to the **inferior epigastric vessels** is a distinguishing feature of inguinal hernias, not femoral hernias, which have different anatomical landmarks.*Indirect inguinal hernia passing through the superficial inguinal ring*- An **indirect inguinal hernia** will eventually pass through and exit via the **superficial inguinal ring**.- However, the crucial anatomical landmark for classifying it as indirect (based on its relationship to the inferior epigastric vessels) refers to its point of entry into the inguinal canal, which is the **deep inguinal ring**.
Question 154: A 53-year-old man undergoes an elective right hemicolectomy for a caecal adenocarcinoma. Histopathology reports a pT3 N1b M0 tumour with 5 out of 18 lymph nodes showing metastatic disease. The tumour shows no adverse histological features and complete resection was achieved (R0). According to current UK guidelines, what adjuvant treatment is most appropriate?
- A. Observation with surveillance only
- B. Single-agent 5-fluorouracil chemotherapy for 3 months
- C. Combination chemotherapy with FOLFOX or CAPOX for 6 months (Correct Answer)
- D. Radiotherapy to the tumour bed followed by chemotherapy
- E. Immunotherapy with checkpoint inhibitors
Explanation: ***Combination chemotherapy with FOLFOX or CAPOX for 6 months***- The patient has **Stage III (pT3 N1b M0)** colon cancer, indicated by **5 out of 18 positive lymph nodes**. This stage necessitates adjuvant combination chemotherapy to significantly reduce the risk of recurrence.- **UK NICE guidelines** recommend **oxaliplatin-based regimens** like **FOLFOX** (5-fluorouracil, leucovorin, oxaliplatin) or **CAPOX** (capecitabine, oxaliplatin) for a duration of **6 months** for fit patients with resected Stage III colon cancer.*Observation with surveillance only*- Observation is unsuitable for **node-positive (Stage III) colon cancer** due to the high risk of systemic micrometastases and subsequent recurrence.- While surveillance is an integral part of post-treatment care, it must be preceded by an appropriate course of **adjuvant chemotherapy** in this clinical scenario.*Single-agent 5-fluorouracil chemotherapy for 3 months*- **Single-agent fluoropyrimidine chemotherapy** may be considered for patients with **low-risk Stage III disease** (e.g., N1 with fewer positive nodes) or those who are too frail to tolerate oxaliplatin.- This patient has **N1b disease (5 positive lymph nodes)**, which is considered higher risk Stage III, making **combination chemotherapy** for 6 months the standard recommendation.*Radiotherapy to the tumour bed followed by chemotherapy*- **Radiotherapy** is not a standard adjuvant treatment for **colon cancer**; its primary role in gastrointestinal malignancies is in the management of **rectal cancer** to prevent local recurrence.- For colon cancer, the extensive mobility and intraperitoneal location make **targeted radiotherapy** challenging and generally ineffective.*Immunotherapy with checkpoint inhibitors*- **Immunotherapy** (e.g., with PD-1/PD-L1 inhibitors) is currently primarily indicated for colorectal cancers that are **microsatellite instability-high (MSI-H)** or mismatch repair deficient (dMMR) in specific settings.- For a general Stage III adenocarcinoma, the initial standard adjuvant treatment remains **cytotoxic chemotherapy**, assuming the MSI/dMMR status is not specified or is microsatellite stable (MSS).
Question 155: What is the most common position of the appendix in relation to the caecum?
- A. Retrocaecal (Correct Answer)
- B. Pelvic
- C. Subcaecal
- D. Pre-ileal
- E. Post-ileal
Explanation: ***Retrocaecal*** - The **retrocaecal** position is the most common anatomical variation, occurring in approximately **65-75%** of the population. - In this position, the appendix lies behind the **caecum**, which can lead to atypical presentations such as **flank pain** or a negative **McBurney's sign**. *Pelvic* - This is the second most common position, found in roughly **20-30%** of cases, where the appendix hangs over the **pelvic brim**. - It may be associated with symptoms like **diarrhea** or **urinary frequency** due to irritation of the rectum or bladder. *Subcaecal* - In this variation, the appendix is located inferior to the **caecum** and is found in about **2-3%** of individuals. - This position is less common than the retrocaecal or pelvic positions but may still present with classic lower quadrant pain. *Pre-ileal* - This describes the appendix lying anterior to the **terminal ileum**, occurring in approximately **1%** of cases. - Because it is located anteriorly, it is more likely to cause early **peritoneal irritation** and localized tenderness. *Post-ileal* - The appendix lies posterior to the **terminal ileum** in about **0.5-5%** of people. - This position is clinically significant as it can be difficult to diagnose due to the overlying **bowel loops** masking physical signs.
Question 156: A 59-year-old man with a T3 N2 M0 adenocarcinoma of the mid-rectum located 7 cm from the anal verge undergoes neoadjuvant treatment. MRI staging after completion of chemoradiotherapy shows good response with downstaging to yT2 N0. Which surgical approach offers the best oncological outcome?
- A. Laparoscopic anterior resection with total mesorectal excision (Correct Answer)
- B. Open anterior resection with partial mesorectal excision
- C. Transanal endoscopic microsurgery (TEMS)
- D. Abdominoperineal resection with permanent colostomy
- E. Hartmann's procedure with end colostomy
Explanation: ***Laparoscopic anterior resection with total mesorectal excision*** - **Total mesorectal excision (TME)** is the gold standard for mid to low rectal cancer, ensuring complete removal of the mesorectal envelope to achieve optimal **oncological outcomes** and minimize **local recurrence**. - For a tumor located **7 cm from the anal verge** (mid-rectum), this approach allows for **sphincter preservation** and the laparoscopic technique offers advantages such as less pain and faster recovery while maintaining equivalent oncologic efficacy to open surgery. *Open anterior resection with partial mesorectal excision* - **Partial mesorectal excision** is only oncologically sufficient for tumors located in the **upper rectum** (typically >12-15 cm from the anal verge). - For a **mid-rectal tumor** at 7 cm, partial excision would be inadequate, leaving potentially involved **lymph nodes** and mesorectal tissue, significantly increasing the risk of **local recurrence**. *Transanal endoscopic microsurgery (TEMS)* - **TEMS** is a local excision technique primarily indicated for very early-stage **T1 N0** rectal cancers or for carefully selected patients with superficial T2 tumors who are not surgical candidates. - Despite the downstaging to yT2, the initial **N2 nodal status** indicates significant nodal involvement, requiring a radical resection with **lymphadenectomy** to ensure complete tumor clearance. *Abdominoperineal resection with permanent colostomy* - **Abdominoperineal resection (APR)** involves removal of the entire rectum and anal canal, resulting in a **permanent colostomy**, and is reserved for very low tumors that invade the **anal sphincter complex** or levator muscles. - Since the tumor is 7 cm from the anal verge, a distal anastomosis with **sphincter preservation** is technically feasible, making APR an unnecessarily radical procedure in this case. *Hartmann's procedure with end colostomy* - **Hartmann's procedure** is typically performed in emergency settings (e.g., obstruction, perforation, severe inflammation) or in patients unsuitable for primary anastomosis due to high surgical risk or poor local conditions. - In an elective setting for a patient with good response to neoadjuvant treatment, an **anterior resection** with primary anastomosis (often with a diverting ileostomy) is the standard of care to avoid a **permanent colostomy**.
Question 157: A 47-year-old woman presents to the emergency department with sudden onset severe pain in her left groin. She has a past medical history of two previous caesarean sections. On examination, there is a tender, irreducible 3 cm lump below and lateral to the pubic tubercle. She is apyrexial but tachycardic at 105 bpm. What is the most appropriate immediate management?
- A. Urgent surgical exploration and repair (Correct Answer)
- B. Attempt manual reduction under conscious sedation
- C. CT scan of abdomen and pelvis to confirm diagnosis
- D. Ultrasound scan of the groin to assess vascularity
- E. Conservative management with analgesia and observation for 6 hours
Explanation: ***Urgent surgical exploration and repair***- The clinical presentation of a tender, irreducible lump **below and lateral to the pubic tubercle** is diagnostic of a **femoral hernia**, which carries a high risk of **strangulation**.- Sudden onset severe pain and **tachycardia** suggest bowel compromise; therefore, immediate surgery is vital to assess **bowel viability** and prevent necrosis.*Attempt manual reduction under conscious sedation*- Manual reduction is **contraindicated** in cases where strangulation is suspected because it may lead to "reduction en masse," where **gangrenous bowel** is returned to the peritoneal cavity.- Forcing a femoral hernia back through the narrow, rigid **femoral canal** can cause perforation or systemic sepsis.*CT scan of abdomen and pelvis to confirm diagnosis*- A femoral hernia with signs of strangulation is a **clinical diagnosis**, and delaying surgery for imaging can increase the risk of **ischaemic bowel** damage.- While CT scans are highly accurate, they should not postpone **emergency surgical intervention** when the clinical suspicion of incarceration is high.*Ultrasound scan of the groin to assess vascularity*- Ultrasound is often user-dependent and may not reliably exclude **strangulation** or accurately visualize the deep structures of the femoral canal in an emergency.- Diagnostic imaging should not delay the definitive treatment for a **painful, irreducible** hernia.*Conservative management with analgesia and observation for 6 hours*- Any irreducible and tender hernia is a **surgical emergency**; observation for 6 hours significantly increases the morbidity and mortality due to **bowel infarction**.- Femoral hernias have the highest rate of **incarceration** (up to 40%) among all groin hernias and never resolve with conservative measures.
Question 158: A 63-year-old man is found to have a 2.5 cm polyp in the sigmoid colon during screening colonoscopy. The polyp is removed by endoscopic mucosal resection and histology shows a tubular adenoma with high-grade dysplasia. The resection margins are clear with no evidence of submucosal invasion. What is the most appropriate further management?
- A. Colonoscopic surveillance in 12 months
- B. Repeat colonoscopy in 3 months to check the resection site (Correct Answer)
- C. CT colonography in 6 months
- D. Elective sigmoid colectomy
- E. No further follow-up required
Explanation: ***Repeat colonoscopy in 3 months to check the resection site***- For large polyps (>=2cm) with **high-grade dysplasia** removed via **endoscopic mucosal resection (EMR)**, there is a substantial risk of **incomplete resection** or recurrence.- Even with apparently **clear margins**, guidelines recommend a **short-interval colonoscopy** (typically 3-6 months, commonly 3 months) to confirm complete removal of adenomatous tissue at the **resection site** before transitioning to standard surveillance intervals.*Colonoscopic surveillance in 12 months*- A **12-month interval** is too long for the initial follow-up after the removal of a large polyp with **high-grade dysplasia** via EMR, as it may miss early recurrence.- Standard long-term surveillance intervals (e.g., 1-3 years) are only initiated after the **resection site** has been confirmed clear of residual or recurrent adenoma at the initial short-term follow-up.*CT colonography in 6 months*- **CT colonography** is not appropriate for evaluating a polypectomy site for residual **high-grade dysplasia** or small recurrences, as it lacks the resolution and biopsy capability of direct endoscopy.- Its primary role is for **colorectal cancer screening** or when colonoscopy is incomplete or contraindicated, not for post-polypectomy surveillance of adenomas with advanced histology.*Elective sigmoid colectomy*- An **elective sigmoid colectomy** is overly aggressive given that the polyp shows **high-grade dysplasia** without evidence of **submucosal invasion** or frank carcinoma (pT1).- Complete endoscopic removal with **clear margins** is curative for high-grade dysplasia that has not invaded the submucosa, making surgery unnecessary and exposing the patient to operative risks.*No further follow-up required*- Large **tubular adenomas** with **high-grade dysplasia** are **advanced adenomas** and represent a significant risk factor for subsequent **colorectal cancer**.- Complete follow-up is essential to ensure eradication of the original lesion and to monitor for new (metachronous) polyps due to the patient's increased risk profile.
Question 159: A 31-year-old man presents to the emergency department with a 20-hour history of central abdominal pain that has localised to the right iliac fossa. On examination, he has a temperature of 38.2°C and tenderness with guarding in the right iliac fossa. His white cell count is 16.2 × 10⁹/L. CT scan shows an inflamed appendix with a periappendiceal collection measuring 5 cm in diameter. His observations are stable with a blood pressure of 125/78 mmHg and heart rate of 92 bpm. What is the most appropriate initial management?
- A. Immediate laparoscopic appendicectomy
- B. Immediate open appendicectomy via gridiron incision
- C. Percutaneous drainage of the abscess under ultrasound guidance with intravenous antibiotics (Correct Answer)
- D. Intravenous antibiotics alone for 48 hours followed by reassessment
- E. Conservative management with oral antibiotics and outpatient follow-up
Explanation: ***Percutaneous drainage of the abscess under ultrasound guidance with intravenous antibiotics*** - For a **stable patient** with an **appendix abscess** measuring **5 cm**, initial management involves **radiological drainage** combined with **intravenous antibiotics** to control infection and inflammation. - This strategy allows the intense inflammation to subside, significantly reducing the risks of **bowel injury**, enterocutaneous fistulas, and surgical complications during a potential interval appendicectomy. *Immediate laparoscopic appendicectomy* - Performing immediate surgical removal of the appendix in the presence of a **large abscess** (5 cm) is technically challenging due to friable tissues and distorted anatomy. - Early surgery in such cases is associated with higher rates of **ileocecal resection**, increased operative time, and postoperative complications like **fecal fistula** and wound infection. *Immediate open appendicectomy via gridiron incision* - Similar to the laparoscopic approach, immediate open surgery for an established large **periappendiceal abscess** increases the risk of complications such as **fecal fistula formation** and severe wound infection. - **Conservative management** with drainage and antibiotics is preferred in **haemodynamically stable** patients to avoid the morbidity of operating on an inflamed phlegmon. *Intravenous antibiotics alone for 48 hours followed by reassessment* - While intravenous antibiotics are essential, a **5 cm collection** is a significant abscess that is unlikely to resolve with pharmacological treatment alone and typically requires **source control** via drainage. - Relying solely on antibiotics risks insufficient resolution of the abscess, potential clinical deterioration, and a higher likelihood of requiring emergency surgery later under less favorable conditions. *Conservative management with oral antibiotics and outpatient follow-up* - The patient's clinical presentation, including **fever (38.2°C)**, **tenderness with guarding**, and a significantly **raised white cell count (16.2 × 10⁹/L)**, indicates an active, complicated infection requiring inpatient management. - **Outpatient management** with oral antibiotics is inappropriate for an acute appendicitis complicated by a large abscess and poses a high risk of treatment failure and progression to sepsis.
Question 160: A 69-year-old woman undergoes a surveillance colonoscopy 15 months after curative resection of a Duke's B sigmoid colon cancer. The examination identifies two polyps: a 5 mm polyp in the ascending colon and a 9 mm polyp in the transverse colon. Both polyps are removed completely and histology confirms tubular adenomas with low-grade dysplasia and clear margins. Her post-operative CEA level 3 months ago was within normal range, and she remains well with no symptoms. Based on current UK guidance for post-colorectal cancer surveillance, what is the most appropriate next step in her management?
- A. Repeat colonoscopy in 1 year due to the detection of adenomas during cancer surveillance
- B. Continue with standard post-colorectal cancer surveillance colonoscopy at 3 years from the initial resection (Correct Answer)
- C. CT colonography in 6 months to assess for additional lesions
- D. Repeat colonoscopy in 3 years as per intermediate-risk adenoma surveillance, superseding cancer surveillance
- E. No further colonoscopic surveillance required as the adenomas were completely excised with clear margins
Explanation: ***Continue with standard post-colorectal cancer surveillance colonoscopy at 3 years from the initial resection*** - According to **BSG/NICE guidelines**, patients who have undergone curative resection for colorectal cancer require a routine surveillance colonoscopy at **1 year** and again at **3 years** post-surgery. - The detection of small, **low-risk adenomas** (1-2 adenomas <10mm) during a postoperative check does not alter the existing cancer surveillance schedule, provided they are completely excised. *Repeat colonoscopy in 1 year due to the detection of adenomas during cancer surveillance* - Short-interval (1-year) follow-up is generally reserved for cases of **incomplete excision**, poor bowel preparation, or very high-risk findings, none of which apply here. - **Low-grade tubular adenomas** under 10mm do not warrant a deviation from the established **3-year surveillance** interval in the context of post-cancer follow-up. *CT colonography in 6 months to assess for additional lesions* - **CT colonography** is primarily used if a complete colonoscopy cannot be performed or if the patient is medically unfit for an invasive procedure. - Since the surveillance colonoscopy was successfully completed and identified clear pathology, there is no clinical indication for early **radiological imaging**. *Repeat colonoscopy in 3 years as per intermediate-risk adenoma surveillance, superseding cancer surveillance* - Cancer surveillance protocols (1 year then 3 years) generally **take precedence** over standard adenoma surveillance guidelines unless the adenomas are high-risk. - These findings (two small tubular adenomas) are classified as **low-risk** and do not meet the criteria for "high-risk" adenoma follow-up that would change the management plan. *No further colonoscopic surveillance required as the adenomas were completely excised with clear margins* - Patients with a history of **Dukes' B (Stage II) colorectal cancer** require lifelong or long-term surveillance due to the risk of **metachronous cancer**. - Ceasing surveillance after finding adenomas is inappropriate; the patient must continue the standardized **colonoscopy and CEA** follow-up protocols.
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