General Surgery

General Surgery UK Medical PG Question 1: A 24-year-old man presents with acute onset severe lower back pain and bilateral leg weakness after heavy lifting. He has saddle anesthesia and urinary retention. What is the most appropriate management?

• A. MRI lumbar spine
• B. Emergency surgical decompression (Correct Answer)
• C. High-dose steroids
• D. Bed rest and analgesia
• E. Physiotherapy

General Surgery Explanation: ***Emergency surgical decompression***- The patient presents with classic features of **Cauda Equina Syndrome (CES)**, characterized by acute lower back pain, bilateral leg weakness, **saddle anesthesia**, and **urinary retention**, necessitating immediate surgical intervention.- Urgent surgical decompression (laminectomy and removal of the compressive element, usually a massive disc herniation) is the definitive treatment and must be performed rapidly to maximize the chances of recovering **bowel and bladder function**.*MRI lumbar spine*- While an **MRI** is the gold standard for confirming the diagnosis, localizing the compression, and guiding the surgical approach, it is a diagnostic tool, not the definitive management itself for this surgical emergency.- Surgery should proceed as soon as possible after clinical suspicion, minimizing diagnostic delays which negatively impact the **prognosis** for bladder function.*High-dose steroids*- **Corticosteroids** are the cornerstone of management in conditions like acute traumatic spinal cord injury or transverse myelitis, helping to reduce edema and secondary injury.- They are generally ineffective as a primary treatment for neurologic deficits caused by **mechanical compression** by a herniated disc, which is the most common cause of CES.*Bed rest and analgesia*- This conservative approach is typically reserved for routine, **uncomplicated low back pain** or musculoskeletal strains without significant progressive neurologic deficits.- Applying only bed rest and analgesia to CES is inappropriate and risks permanent damage to the sacral and coccygeal nerve roots, leading to irreversible **neurologic disability**.*Physiotherapy*- **Physiotherapy** is an essential component of rehabilitation following surgical decompression and initial recovery in CES, helping patients regain strength and mobility.- It is contraindicated during the acute phase of severe mechanical compression and does not address the underlying need for **urgent nerve root decompression**.

General Surgery UK Medical PG Question 2: A 31-year-old man presents with acute severe scrotal pain and swelling that began 3 hours ago. The testicle is high-riding and horizontal. Cremasteric reflex is absent. What is the most appropriate management?

• A. Doppler ultrasound first
• B. Immediate surgical exploration (Correct Answer)
• C. Antibiotics and analgesia
• D. Ice and elevation
• E. Urine analysis

General Surgery Explanation: ***Immediate surgical exploration***- The clinical presentation (acute, severe pain, **high-riding testicle**, and absent **cremasteric reflex**) is highly suggestive of **testicular torsion**, which is a surgical emergency.- Given the critical time window (ideally < 6 hours) required to salvage the testicle, the management should proceed directly to exploration without delaying for imaging.*Doppler ultrasound first*- While a **Doppler ultrasound** showing absent intratesticular blood flow confirms the diagnosis, it should only be used if the diagnosis is ambiguous or when surgical facilities are not immediately available.- When clinical signs are classic for torsion, performing imaging first delays definitive treatment and significantly increases the risk of **testicular infarction**.*Antibiotics and analgesia*- This approach is the primary management for **epididymitis**, which typically presents with a more gradual onset of pain, associated lower urinary tract symptoms, and an *intact* cremasteric reflex (often positive **Prehn's sign**).- Torsion is an ischemic process, and antibiotics are not the definitive treatment; surgical detorsion is mandatory.*Ice and elevation*- Using **ice and elevation** is a conservative measure primarily used to reduce swelling and pain associated with trauma or inflammation (like epididymitis) but does not reverse the torsion itself.- Relying on supportive measures alone delays necessary surgical intervention, leading to immediate tissue death.*Urine analysis*- A **urine analysis** is useful for diagnosing infectious causes of scrotal pain, such as **epididymitis** or **orchitis**, where it may reveal pyuria or bacteriuria.- Since the clinical picture is classic for torsion (a mechanical/ischemic emergency), waiting for urine results is inappropriate and delays time-sensitive intervention.

General Surgery UK Medical PG Question 3: A 34-year-old man presents with acute onset severe testicular pain. Examination shows a high-riding, horizontally oriented testicle. Doppler ultrasound appears normal. What is the most appropriate management?

• A. Discharge with follow-up
• B. Antibiotics for epididymitis
• C. Urgent surgical exploration (Correct Answer)
• D. Repeat ultrasound in 6 hours
• E. Conservative management

General Surgery Explanation: ***Urgent surgical exploration***- The clinical presentation of acute onset severe testicular pain, a **high-riding testicle**, and a **horizontal lie** are classic signs of **testicular torsion**, a surgical emergency.- Despite a normal Doppler ultrasound (which can be a false negative), **clinical suspicion** for torsion mandates immediate **surgical exploration** to prevent irreversible **testicular necrosis**. *Discharge with follow-up*- Acute, severe testicular pain with findings suggestive of torsion is a time-sensitive emergency requiring immediate intervention, not delayed follow-up.- Discharging the patient risks prolonged **ischemia**, leading to loss of the testicle. *Antibiotics for epididymitis*- While epididymitis is a differential, its onset is typically more **gradual**, and physical examination usually reveals tenderness of the epididymis, often with a **positive Prehn's sign**.- The sudden onset and classic signs of a high-riding, horizontal testicle strongly point towards torsion rather than epididymitis. *Repeat ultrasound in 6 hours*- Testicular viability is critically time-dependent, rapidly decreasing after **4-6 hours** of complete torsion, making a 6-hour delay for repeat imaging unacceptable.- Delaying definitive intervention to repeat imaging significantly increases the risk of irreversible **testicular damage** and loss. *Conservative management*- Testicular torsion requires immediate surgical **detorsion and orchidopexy** to restore blood flow and fix the testicle to prevent recurrence.- Conservative management will inevitably lead to **testicular infarction** and necessitate an **orchiectomy** (removal of the testicle).

General Surgery UK Medical PG Question 4: A 29-year-old man presents with acute onset severe testicular pain 6 hours ago. Clinical examination suggests torsion but Doppler ultrasound shows preserved blood flow. What is the most appropriate management?

• A. Reassurance and discharge
• B. Antibiotics for epididymitis
• C. Urgent surgical exploration (Correct Answer)
• D. Repeat ultrasound in 24 hours
• E. Pain relief only

General Surgery Explanation: ***Urgent surgical exploration***- **Clinical suspicion of testicular torsion** (acute onset, severe pain, 6 hours duration) is a surgical emergency; imaging findings must be interpreted cautiously, and **exploration** is warranted when suspicion is high, as the window for **testicular salvage** is narrow (ideally <6 hours).- **Doppler ultrasound showing preserved blood flow** can be misleading in partial torsion or early stages, where inadequate perfusion still leads to ischemia; **surgical exploration** is the definitive method to confirm or rule out torsion and prevent **testicular necrosis**.*Reassurance and discharge*- Severe, acute testicular pain requires immediate and thorough evaluation to exclude **testicular torsion**, a time-sensitive emergency; simple discharge is inappropriate and delays critical intervention.- This approach risks **testicular loss** due to unaddressed ischemia and is medically negligent.*Antibiotics for epididymitis*- While epididymitis is a differential, it typically presents with a more **gradual onset** of pain, often accompanied by local inflammation or urinary symptoms, which are not clearly indicated here.- Administering antibiotics delays the necessary **surgical intervention** for torsion, which could lead to irreversible **testicular damage**.*Repeat ultrasound in 24 hours*- Testicular torsion is a time-critical condition; delaying diagnosis and intervention for 24 hours would almost certainly result in **testicular non-viability** due to prolonged ischemia.- The priority is rapid **diagnosis and management** to preserve the testis, not delayed re-evaluation of equivocal findings.*Pain relief only*- Providing pain relief addresses symptoms but fails to treat the underlying cause, which could be a **surgical emergency** like testicular torsion.- Masking pain without definitive diagnosis and intervention risks progression to **testicular infarction** and loss.

General Surgery UK Medical PG Question 5: A 64-year-old man presents with progressive memory loss, gait instability, and urinary incontinence. MRI shows ventricular dilatation. CSF opening pressure is 12 cmH₂O. What is the most appropriate treatment?

• A. Acetazolamide
• B. Repeated lumbar punctures
• C. Ventriculoperitoneal shunt (Correct Answer)
• D. Endoscopic third ventriculostomy
• E. No specific treatment

General Surgery Explanation: ***Ventriculoperitoneal shunt***- The classic triad of **memory loss**, **gait instability**, and **urinary incontinence** with **ventricular dilatation** and **normal CSF pressure** (12 cmH₂O) is highly suggestive of **Normal Pressure Hydrocephalus (NPH)**.- **Ventriculoperitoneal (VP) shunting** is the definitive treatment for NPH, diverting excess CSF to improve symptoms by relieving pressure on the brain.*Acetazolamide*- **Acetazolamide** is a **carbonic anhydrase inhibitor** that reduces CSF production, primarily used for conditions like **idiopathic intracranial hypertension (IIH)**.- It is generally **ineffective** for NPH because the primary problem is impaired CSF absorption, not overproduction.*Repeated lumbar punctures*- The **large-volume lumbar puncture (LP) tap test** is a diagnostic tool for NPH to assess potential shunt response, but it is not a long-term treatment.- The benefits of repeated LPs for NPH are often **transient**, and it's not a sustainable or definitive therapy.*Endoscopic third ventriculostomy*- **Endoscopic third ventriculostomy (ETV)** is typically performed for **obstructive (non-communicating) hydrocephalus** where there's a blockage in CSF flow within the ventricular system.- NPH is a form of **communicating hydrocephalus**, meaning CSF flows freely between ventricles and the subarachnoid space, making ETV an **inappropriate procedure**.*No specific treatment*- NPH is a **treatable cause of dementia**; the symptoms are progressive and significantly impact quality of life if left untreated.- Given the clear clinical presentation, imaging, and CSF findings consistent with NPH, active intervention with a **VP shunt** is highly indicated.

General Surgery UK Medical PG Question 6: A 58-year-old diabetic man presents with fever and a swollen, red foot. X-ray shows gas in soft tissues. Blood glucose is 25 mmol/L. What is the most appropriate immediate management?

• A. Oral antibiotics
• B. IV antibiotics alone
• C. Urgent surgical debridement (Correct Answer)
• D. Hyperbaric oxygen
• E. Amputation

General Surgery Explanation: ***Urgent surgical debridement*** - The presence of **gas in soft tissues** on X-ray, combined with fever and a swollen, red foot in a **diabetic patient**, indicates a **necrotizing soft tissue infection** (e.g., necrotizing fasciitis or gas gangrene). - **Urgent surgical debridement** is the most critical immediate intervention to remove necrotic tissue and prevent rapid spread of the infection, which is vital for patient survival. *Oral antibiotics* - Oral antibiotics are **inadequate** for a severe, rapidly progressing infection like a necrotizing soft tissue infection. - Relying on oral antibiotics would lead to dangerous delays in appropriate and aggressive treatment, increasing morbidity and mortality. *IV antibiotics alone* - While **broad-spectrum intravenous antibiotics** are a crucial component of treatment, they are **insufficient as monotherapy** for necrotizing soft tissue infections. - The infection requires **source control** through surgical removal of devitalized tissue, which antibiotics alone cannot achieve. *Hyperbaric oxygen* - **Hyperbaric oxygen therapy** can be an **adjunctive treatment** for certain severe infections, particularly clostridial myonecrosis (gas gangrene). - However, it is **not the immediate primary management**; **surgical debridement** is paramount and should not be delayed for hyperbaric oxygen. *Amputation* - **Amputation** is a **definitive measure** reserved for cases of overwhelming, irreversible tissue destruction or uncontrolled infection despite aggressive surgical and medical management. - It is **premature** as the immediate initial management; the goal is to perform debridement to control the infection and attempt limb salvage first.

General Surgery Flashcard 1 of 10

Question: Epigastric hernias are managed _____

Answer: conservatively or surgical

General Surgery Flashcard 2 of 10

Question: Hernias can be classified based on degree of presentation: _____ Irreducible (incarcerated) Obstructed Strangulated

Answer: Reducible

General Surgery Flashcard 3 of 10

Question: Patient with suspected colonic cancer presents with sudden abdominal pain, guarding and rigidity what is going on _____

Answer: bowel perforation

General Surgery Flashcard 4 of 10

Question: _____ are indicated when there is diagnostic uncertainty or plans for surgery in urinary incontinence

Answer: Urodynamic Studies

General Surgery Flashcard 5 of 10

Question: _____ in case of rupture is mild risk factor for tubal infertility

Answer: Emergency Appendectomy

General Surgery Flashcard 6 of 10

Question: Infective endocarditis causing congestive cardiac failure is an indication for _____

Answer: emergency valve replacement surgery

General Surgery Flashcard 7 of 10

Question: An ABPI value of >1 can indicate vessel calcification common in _____

Answer: diabetics

General Surgery Flashcard 8 of 10

Question: _____ can precede the devlopment of an arterial thrombus if it is accidentally injected into an artery instead of a vein

Answer: Heroin Use

General Surgery Flashcard 9 of 10

Question: Perianal Abcesses may also present with spiking _____

Answer: temperatures

General Surgery Flashcard 10 of 10

Question: _____ is the first-line imaging in peripheral artery disease

Answer: Duplex ultrasound