Pediatric Surgery Indian Medical PG Practice Questions and MCQs
Practice Indian Medical PG questions for Pediatric Surgery. These multiple choice questions (MCQs) cover important concepts and help you prepare for your exams.
Pediatric Surgery Indian Medical PG Question 1: What is the most definitive indication for surgery in necrotizing enterocolitis?
- A. Pneumatosis intestinalis- Stage IIA of NEC
- B. Pneumoperitoneum- Stage IIIB of NEC (Correct Answer)
- C. Peritonitis- Stage IIIA of NEC
- D. Portal Vein gas- Stage IIB of NEC
Pediatric Surgery Explanation: ***Pneumoperitoneum- Stage IIIB of NEC***
- **Pneumoperitoneum** (free air in the peritoneal cavity) is the **most definitive indication** for immediate surgical intervention in necrotizing enterocolitis (NEC), as it provides radiological proof of bowel perforation.
- This finding represents advanced disease (**Stage IIIB** according to the **modified Bell's staging criteria**) and is an **absolute indication for surgery**.
- Pneumoperitoneum is detected on plain abdominal radiographs or cross-table lateral films and indicates full-thickness bowel necrosis with perforation.
*Pneumatosis intestinalis- Stage IIA of NEC*
- **Pneumatosis intestinalis** (intramural gas in the bowel wall) is a hallmark radiological sign of NEC but does **not** warrant surgery in Stage IIA.
- Stage IIA is managed with **medical therapy** including NPO (nil per oral), nasogastric decompression, broad-spectrum antibiotics, and supportive care unless there are signs of clinical deterioration or progression to advanced stages.
*Portal Vein gas- Stage IIB of NEC*
- **Portal vein gas** indicates severe bowel ischemia and necrosis and is a concerning prognostic sign associated with advanced NEC (Stage IIB).
- While it signifies severe disease, portal vein gas is **not an absolute indication for surgery** by itself; surgical intervention is based on overall clinical status, presence of peritonitis, or pneumoperitoneum.
*Peritonitis- Stage IIIA of NEC*
- Clinical signs of **peritonitis** (abdominal wall erythema, edema, tenderness, guarding, rigidity) indicate Stage IIIA NEC and **are also an indication for surgery**.
- However, **pneumoperitoneum** is considered the **most definitive** indication as it provides objective radiological evidence of perforation, whereas peritonitis is based on clinical examination which can be challenging in premature neonates.
Pediatric Surgery Indian Medical PG Question 2: A 3-month-old with projectile vomiting and olive-shaped mass in abdomen is diagnosed with?
- A. Hirschsprung disease
- B. GERD
- C. Pyloric stenosis (Correct Answer)
- D. Duodenal atresia
Pediatric Surgery Explanation: ***Pyloric stenosis***
- The classic triad of **projectile vomiting**, a palpable **olive-shaped mass** (hypertrophied pylorus), and age of presentation (2-8 weeks, though 3 months is still possible) are highly indicative of **pyloric stenosis**.
- This condition involves thickening of the **pyloric muscle**, leading to gastric outlet obstruction and non-bilious emesis.
*Hirschsprung disease*
- This typically presents with **constipation**, **abdominal distension**, and failure to pass meconium, rather than projectile vomiting.
- It results from the absence of **ganglion cells** in the distal colon, causing functional obstruction.
*GERD*
- While GERD can cause vomiting in infants, it is usually not **projectile** and is rarely associated with a palpable **olive-shaped mass**.
- Infants with GERD typically respond to conservative measures like thickening feeds or acid suppressants.
*Duodenal atresia*
- This condition presents with **bilious vomiting** (as the obstruction is distal to the ampulla of Vater) usually within the first 24-48 hours of life.
- An abdominal X-ray would show a **double bubble sign**, which is not mentioned in the presentation for pyloric stenosis.
Pediatric Surgery Indian Medical PG Question 3: Which of the following is NOT included in the resuscitation of a neonate with HR < 60/min?
- A. Endotracheal tube intubation
- B. Chest compression
- C. Adrenaline
- D. None of the above (Correct Answer)
Pediatric Surgery Explanation: ***None of the above***
- All listed interventions—**endotracheal tube intubation**, **chest compressions**, and **adrenaline administration**—are standard components of neonatal resuscitation when the heart rate remains below 60 beats/min despite initial steps.
- This question asks which is *NOT* included, implying that all options are, in fact, appropriate interventions in this critical scenario.
*Endotracheal tube intubation*
- This is a critical step in **securing the airway** and ensuring effective positive pressure ventilation when other methods fail or prolonged mechanical ventilation is anticipated.
- It's indicated if the heart rate remains below 60 bpm despite adequate bag-mask ventilation and chest compressions.
*Chest compression*
- **Chest compressions** are initiated when the heart rate is less than 60 bpm *after* 30 seconds of effective positive pressure ventilation.
- They are used in conjunction with positive pressure ventilation to improve cardiac output and myocardial perfusion.
*Adrenaline*
- **Adrenaline** is administered if the heart rate remains below 60 bpm *despite* adequate ventilation and chest compressions.
- It acts as a potent **vasopressor** and **cardiac stimulant**, increasing heart rate and contractility.
Pediatric Surgery Indian Medical PG Question 4: What will be the appropriate management for a very low birth weight preterm baby who is on a ventilator for respiratory distress and presents with clinical features of necrotizing enterocolitis with perforation?
- A. Conservative management
- B. Immediate laparotomy
- C. Peritoneal drainage (Correct Answer)
- D. ECMO with surgery after stabilization
Pediatric Surgery Explanation: ***Peritoneal drainage for perforated necrotizing enterocolitis***
- **Peritoneal drainage** is preferred in **critically ill, very low birth weight preterm infants** with perforated NEC as an initial stabilizing measure.
- This minimally invasive procedure involves inserting a drain to remove contaminated fluid, which can improve the baby's condition enough to hopefully allow for definitive surgical repair later.
*Conservative management for perforated necrotizing enterocolitis*
- **Conservative management** is generally reserved for **early-stage NEC without perforation** as perforation indicates a surgical emergency.
- Delaying surgical intervention in the presence of perforation can lead to **sepsis, multiple organ failure, and death**.
*Immediate laparotomy for perforated necrotizing enterocolitis*
- While definitive, **immediate laparotomy** carries high risks for **extremely premature and unstable infants** due to challenges with anesthesia, fluid balance, and temperature regulation.
- Often, babies are too unstable for a major surgery, and **peritoneal drainage** is used to stabilize them first.
*ECMO with surgery after stabilization for perforated necrotizing enterocolitis*
- **ECMO (extracorporeal membrane oxygenation)** is a life support measure for **severe respiratory or cardiac failure**, not primarily for perforated NEC.
- While it can support very sick infants, it's a highly invasive procedure with its own complications and doesn't directly address the surgical emergency of perforation.
Pediatric Surgery Indian Medical PG Question 5: In a child, which of the following diseases is commonly misdiagnosed as appendicitis?
- A. Intussusception
- B. Lymphadenitis
- C. Gastroenteritis
- D. All of the options (Correct Answer)
Pediatric Surgery Explanation: ***All of the options***
- **Intussusception**, **lymphadenitis**, and **gastroenteritis** can all present with symptoms mimicking appendicitis in children, leading to potential misdiagnosis.
- The similarities in abdominal pain, fever, and vomiting can make differentiation challenging without further diagnostic imaging or clinical evaluation.
**Intussusception**
- This condition involves the **telescoping of one segment of the intestine** into another, causing abdominal pain, vomiting, and sometimes a palpable mass.
- While it can cause symptoms similar to appendicitis, classic signs like **currant-jelly stools** and an abdominal mass are often differentiating features.
- Can present with colicky abdominal pain and guarding that mimics acute appendicitis.
**Lymphadenitis (Mesenteric)**
- **Mesenteric lymphadenitis** is an inflammation of the abdominal lymph nodes, often following a viral infection, causing generalized or right lower quadrant pain.
- Its presentation can closely mimic appendicitis, and is one of the most common appendicitis mimics in children.
- It typically lacks the progressive periumbilical pain migrating to the right lower quadrant that is typical of appendicitis, though this differentiation can be subtle.
**Gastroenteritis**
- **Gastroenteritis** presents with diffuse abdominal pain, vomiting, and diarrhea, which can sometimes be localized enough to suggest appendicitis, especially if pain is predominantly in the right lower quadrant.
- However, the presence of significant diarrhea and more generalized abdominal discomfort often helps distinguish it from the focused pain of appendicitis.
- In early presentations before diarrhea develops, differentiation can be particularly challenging.
More Pediatric Surgery Indian Medical PG questions available in the OnCourse app. Practice MCQs, flashcards, and get detailed explanations.
