UPSC-CMS 2016 - Surgery PYQs Practice Questions

Q: Tumours of anterior mediastinum include the following except:

Schwannoma. ***Schwannoma*** - **Schwannomas** (neurilemmomas) are typically found in the **posterior mediastinum**, arising from **peripheral nerves** or nerve roots. - They are usually benign and grow slowly, presenting with symptoms due to compression of surrounding structures. *Lymphoma* - **Lymphoma** is a common tumor of the **anterior mediastinum**, often presenting as an **anterior mediastinal mass**. - Both Hodgkin and non-Hodgkin lymphomas can involve mediastinal lymph nodes. *Germ cell tumour* - **Germ cell tumors**, including **teratomas** and **seminomas**, frequently occur in the **anterior mediastinum**. - They arise from ectopic germ cell rests that migrate aberrantly during embryonic development. *Thymoma* - **Thymomas** are the most common primary tumor of the **anterior mediastinum**, originating from the **thymus gland**. - They are often associated with **myasthenia gravis** and other paraneoplastic syndromes. [Practice more Surgery PYQs on OnCourse]

Q: Nottingham prognostic Index is used for:

Cancer breast. ***Cancer breast*** - The **Nottingham Prognostic Index (NPI)** is a well-established tool used specifically for assessing the prognosis of **early invasive breast cancer**. - It combines three key pathological features: **tumor size**, **lymph node status**, and **histological grade**, to provide a prognostic score. *Cancer stomach* - Prognostic indices for gastric cancer typically involve factors like **tumor depth (T stage)**, **lymph node involvement (N stage)**, **metastasis (M stage)**, and **histological type**. - The NPI is not validated or used for gastric cancer. *Cancer colon* - Prognosis in colorectal cancer is primarily determined by the **Dukes' staging system** or the **TNM staging system**, which consider tumor invasion depth, lymph node spread, and distant metastasis. - The NPI is not applicable to colorectal cancer. *Cancer lung* - Lung cancer prognosis depends heavily on the **TNM staging system**, differentiating between **non-small cell lung cancer** and **small cell lung cancer**, and considering factors like tumor size, nodal involvement, and metastases. - There is no role for the NPI in assessing lung cancer prognosis. [Practice more Surgery PYQs on OnCourse]

Q: In gallstone ileus, obstruction most frequently occurs at:

Terminal ileum. ***Terminal ileum*** - In gallstone ileus, the **terminal ileum** (particularly at the **ileocecal valve region**) is the most common site of obstruction, accounting for **60-70%** of cases. - This occurs because the terminal ileum is the **narrowest portion of the small bowel**, creating a natural anatomical bottleneck where large gallstones become impacted. - The **ileocecal valve** represents the point of transition from small to large bowel, and its relatively fixed position and narrow caliber make it the classic site of obstruction. *Proximal ileum* - While gallstones can cause obstruction in the proximal or mid-ileum, this is **less frequent** than terminal ileum obstruction. - The proximal ileum has a relatively wider lumen compared to the terminal ileum, allowing larger stones to pass through more easily. *Jejunum* - The **jejunum** has the widest lumen of the small bowel, making obstruction at this site uncommon. - Gallstones typically pass through the jejunum without causing impaction. *Duodenum* - Duodenal obstruction by a gallstone is called **Bouveret's syndrome** and represents a rare variant (1-4% of gallstone ileus cases). - This occurs when a large stone impacts in the duodenal bulb or pylorus after eroding through a cholecystoduodenal fistula. [Practice more Surgery PYQs on OnCourse]

Q: The commonest major surgical complication following Whipple procedure is:

Disruption of pancreatic anastomosis. ***Disruption of pancreatic anastomosis*** - **Pancreatic fistula** resulting from the disruption of the pancreatic anastomosis is the most frequent and most serious complication, occurring in 5-20% of cases. - Leakage of pancreatic fluids can lead to severe **intra-abdominal infection**, hemorrhage, and multi-organ failure. *Disruption of gastric anastomosis* - While possible, leak from the **gastric or duodenal anastomosis** is less common than pancreatic fistula. - This complication typically leads to peritonitis or abscess formation but generally has a lower morbidity compared to pancreatic leaks. *Biliary peritonitis* - **Bile leaks** from the hepaticojejunostomy are less common than pancreatic leaks and generally have a lower risk of severe systemic complications. - They primarily cause **peritonitis** and sometimes require percutaneous drainage or re-operation. *GI bleeding* - Gastrointestinal bleeding can occur post-Whipple, either from the **anastomotic sites**, stress ulcers, or coagulation issues. - While serious, it is typically less common and often more manageable than the sequelae of a pancreatic fistula. [Practice more Surgery PYQs on OnCourse]

Q: A 60 year old male presents with bleeding per rectum. Proctoscopy reveals 2nd degree hemorrhoids. The treatment of choice is:

Banding. ***Banding*** - **Rubber band ligation** is the preferred treatment for **second-degree hemorrhoids** because it is effective, minimally invasive, and can be done in an outpatient setting. - The bands cause the hemorrhoid tissue to necrose and fall off within a few days, alleviating symptoms. *Cryotherapy* - **Cryotherapy** involves freezing the hemorrhoid tissue, but it is rarely used due to a **higher risk of complications** such as pain, prolonged discharge, and incomplete tissue destruction. - It is generally considered less effective and associated with more discomfort and potential for recurrence compared to other treatments. *Sclerotherapy* - **Sclerotherapy** involves injecting a chemical solution into the hemorrhoid to cause fibrosis and shrinkage, primarily used for **first-degree hemorrhoids**. - While it can be effective for smaller hemorrhoids, it is less effective than banding for **second-degree hemorrhoids** and has a higher recurrence rate for this grade. *Surgery* - **Surgical hemorrhoidectomy** is typically reserved for **third- and fourth-degree hemorrhoids** or those that have failed other less invasive treatments. - While highly effective, surgery is more invasive, carries **higher risks of complications**, and requires a longer recovery period, making it overtreatment for second-degree hemorrhoids. [Practice more Surgery PYQs on OnCourse]

Question 1

Tumours of anterior mediastinum include the following except:

Accepted Answer

Schwannoma

Answer

Lymphoma

Answer

Germ cell tumour

Answer

Thymoma

Question 2

Nottingham prognostic Index is used for:

Accepted Answer

Cancer breast

Answer

Cancer stomach

Answer

Cancer colon

Answer

Cancer lung

Question 3

In gallstone ileus, obstruction most frequently occurs at:

Accepted Answer

Terminal ileum

Answer

Jejunum

Answer

Duodenum

Answer

Proximal ileum

Question 4

The commonest major surgical complication following Whipple procedure is:

Accepted Answer

Disruption of pancreatic anastomosis

Answer

Disruption of gastric anastomosis

Answer

Biliary peritonitis

Answer

GI bleeding

Question 5

A 60 year old male presents with bleeding per rectum. Proctoscopy reveals 2nd degree hemorrhoids. The treatment of choice is:

Accepted Answer

Banding

Answer

Cryotherapy

Answer

Sclerotherapy

Answer

Surgery

Question 6

Pott's puffy tumour is a:

Accepted Answer

Subperiosteal abscess associated with osteomyelitis of frontal bone

Answer

Tuberculosis of the skull bone

Answer

Fungating scrotal malignancy

Answer

Squamous cell cancer of scalp

Question 7

Hyperchloremic acidosis is a common complication of:

Accepted Answer

Ureterosigmoidostomy

Answer

Ileostomy

Answer

Vomiting

Answer

Diarrhoea

Question 8

Bisgaard treatment refers to that of:

Accepted Answer

Venous ulcer

Answer

An ischaemic ulcer

Answer

An in-growing toe nail

Answer

Ruptured tendo achillis

Question 9

The most common cause of intestinal obstruction is:

Accepted Answer

Bands and adhesions

Answer

Inflammatory abdominal conditions

Answer

Obstructed hernia

Answer

Gastrointestinal malignancy

Question 10

A 30 year old lady sustained chest injury in an accident and presented with massive haemothorax on right side. Tube thoracostomy drained 1800 ml of blood. What is the most appropriate treatment?

Accepted Answer

Resuscitation and prepare for urgent thoracotomy

Answer

Clamp the chest tube to cause the tamponade

Answer

Put one more chest tube

Answer

Correction of hypovolemic shock

UPSC-CMS 2016 — Surgery