Bariatric Surgery Practice Questions

Q: Tietz syndrome is:

Costochondritis of the second rib. **Explanation:** **Tietze Syndrome** (often referred to as costochondritis) is a benign, inflammatory condition characterized by painful swelling of the costochondral or costosternal joints. 1. **Why Option A is correct:** The hallmark of Tietze syndrome is localized pain and palpable swelling of the upper costal cartilages. It most commonly involves the **second costochondral junction** (followed by the third). Unlike general costochondritis, Tietze syndrome specifically presents with **visible/palpable swelling** and is usually unilateral. 2. **Why the other options are incorrect:** * **Option B:** While costochondritis can involve the fourth rib, the classic description and most frequent site for Tietze syndrome is the second rib. * **Option C:** Superficial thrombophlebitis of the breast or anterior chest wall is known as **Mondor’s Disease**. It presents as a "cord-like" structure and is a common differential in breast surgery questions. * **Option D:** Fibroadenoma is a benign breast tumor ("breast mouse") and is unrelated to the thoracic cage or costal cartilages. **High-Yield Clinical Pearls for NEET-PG:** * **Tietze vs. Costochondritis:** The presence of **swelling** is the key differentiator; costochondritis has pain without swelling. * **Mondor’s Disease:** Often associated with trauma, tight clothing, or surgery; it is self-limiting and treated with NSAIDs. * **Differential Diagnosis:** In a surgical or emergency setting, always rule out myocardial infarction or pleurisy before diagnosing Tietze syndrome. * **Management:** Treatment is conservative, involving rest, NSAIDs, or local steroid injections in refractory cases.

Q: Endoscopic ultrasound is extremely useful in staging which tumor?

Esophageal cancer. **Explanation:** Endoscopic Ultrasound (EUS) is the **gold standard for the local staging (T and N staging)** of esophageal cancer. Its superiority lies in its ability to visualize the individual layers of the esophageal wall (mucosa, submucosa, muscularis propria, and adventitia) with high-frequency sound waves. This allows for precise determination of the depth of tumor invasion (**T-stage**) and the identification of regional lymphadenopathy (**N-stage**), which is critical for deciding between primary surgery and neoadjuvant chemoradiotherapy. **Analysis of Options:** * **Esophageal Cancer (Correct):** EUS has an accuracy of 85-90% for T-staging and is the most sensitive tool for identifying periesophageal lymph nodes. * **Colon Cancer:** EUS is not used for colon cancer; instead, **Endorectal Ultrasound (ERUS)** or MRI is the standard for staging rectal cancer. For the colon, CT and colonoscopy are preferred. * **Stomach Cancer:** While EUS is useful for gastric cancer staging, it is less accurate than in the esophagus due to the larger lumen and technical difficulty in visualizing the entire stomach wall. CT is often the primary staging modality. * **Pancreatic Head Cancer:** EUS is excellent for detecting small pancreatic masses and performing **FNA (Fine Needle Aspiration)**, but **Contrast-Enhanced CT (CECT)** remains the primary modality for staging resectability (vascular invasion). **High-Yield Clinical Pearls for NEET-PG:** 1. **T-Staging:** EUS is the most accurate modality for T-staging in esophageal and gastric cancers. 2. **M-Staging:** PET-CT is the investigation of choice for detecting distant metastasis (M-stage) in esophageal cancer. 3. **Barrett’s Esophagus:** EUS is used to screen for early invasive adenocarcinoma in patients with high-grade dysplasia. 4. **Contraindication:** EUS may be limited in cases of high-grade malignant strictures where the scope cannot pass.

Q: A hernia where the sac contains only a portion of the circumference of the intestine is called:

Richter's hernia. **Explanation** **Richter’s Hernia (Correct Answer):** Richter’s hernia occurs when only a **portion of the circumference** of the antimesenteric border of the bowel becomes incarcerated within the hernial sac. Because the entire lumen is not compromised, patients may not present with classic signs of intestinal obstruction (like vomiting or absolute constipation), which often leads to a dangerous delay in diagnosis. However, the trapped portion can rapidly undergo ischemia and gangrene, leading to perforation. It is most commonly seen in femoral and obturator hernias. **Analysis of Incorrect Options:** * **Littre’s Hernia:** This refers to a hernia where the sac contains a **Meckel’s diverticulum**. It is a common "distractor" for Richter’s hernia in exams. * **Spigelian Hernia:** This is an acquired ventral hernia occurring through the **linea semilunaris** (at the level of the arcuate line), where the aponeurosis of the transversus abdominis muscle is weakest. * **Lumbar Hernia:** These occur through the posterior abdominal wall. Examples include **Petit’s hernia** (inferior lumbar triangle) and **Grynfeltt-Lesshaft hernia** (superior lumbar triangle). **Clinical Pearls for NEET-PG:** * **Richter’s Hernia:** High risk of "silent" strangulation. Always suspect in cases of localized abdominal pain without obstructive symptoms. * **Maydl’s Hernia:** A "W-shaped" hernia where two loops of bowel are in the sac, but the intervening loop inside the abdomen is the one that becomes strangulated. * **Amyand’s Hernia:** Hernia sac containing the **Appendix**. * **Pantaloon Hernia:** Coexistence of direct and indirect inguinal hernias on the same side.

Q: What is the most common cause of a cold abscess of the chest wall?

Pott's spine. ### Explanation A **cold abscess** of the chest wall is a collection of tuberculous pus that lacks the typical signs of acute inflammation (heat, redness, or pain). **1. Why Pott’s Spine is the Correct Answer:** The most common cause of a cold abscess appearing on the chest wall is **Pott’s spine (Tuberculosis of the thoracic vertebrae)**. The infection originates in the vertebral bodies and tracks forward along the **intercostal nerves and vessels**. The pus follows the path of least resistance through the neurovascular bundle, eventually piercing the deep fascia to present as a fluctuant, non-tender swelling on the lateral or anterior chest wall. **2. Analysis of Incorrect Options:** * **TB Abscesses of the chest wall:** This is a general descriptive term for the presentation, not the underlying anatomical source. * **TB of the ribs:** While tuberculosis can affect the ribs directly, it is a much rarer primary source compared to the spine. * **Intercostal lymphadenitis:** TB of the internal mammary or intercostal lymph nodes can lead to a cold abscess (often presenting near the sternum), but statistically, it is less common than spinal origin. **3. NEET-PG High-Yield Pearls:** * **Presentation:** A cold abscess is "cold" because it lacks a pyogenic response. It is often fluctuant and may have a "cross-fluctuation" sign if it communicates with a deeper collection. * **Management:** The gold standard is **Antitubercular Therapy (ATT)**. If the abscess is large or threatening to skin, **aspiration** (using a Z-track technique to prevent sinus formation) is preferred over incision and drainage. * **Common Sites:** Besides the chest wall, cold abscesses from Pott’s spine often track down the psoas muscle to present in the groin (**Psoas Abscess**).

Q: Which of the following are bariatric surgical procedures?

All the above. **Explanation:** Bariatric surgery (metabolic surgery) includes a variety of procedures designed to induce weight loss by altering the anatomy of the gastrointestinal tract. These procedures are broadly classified based on their mechanism of action: **Restrictive**, **Malabsorptive**, or a **Combination (Hybrid)**. * **Vertical Banded Gastroplasty (VBG):** This is a purely **restrictive** procedure. It involves using staples and a band to create a small pouch in the upper stomach, limiting food intake. While historically popular, it is less common now due to the superiority of the Sleeve Gastrectomy. * **Roux-en-Y Gastric Bypass (RYGB):** This is a **hybrid** procedure (both restrictive and malabsorptive). It involves creating a small gastric pouch and bypassing the duodenum and proximal jejunum. It is currently considered the "Gold Standard" for bariatric surgery. * **Biliopancreatic Diversion (BPD):** This is primarily a **malabsorptive** procedure. It involves a subtotal gastrectomy and a long limb bypass, significantly limiting the absorption of fats and calories. The Scopinaro procedure is a well-known variant. Since all three options represent established surgical techniques for weight loss, **Option D** is the correct answer. **High-Yield Clinical Pearls for NEET-PG:** * **Indications:** BMI >40 kg/m² or BMI >35 kg/m² with comorbidities (e.g., Type 2 Diabetes, OSA). * **Most Common Procedure:** Laparoscopic Sleeve Gastrectomy (Restrictive). * **Most Common Complication (RYGB):** Nutritional deficiencies (Iron, B12, Calcium, Vitamin D) and Dumping Syndrome. * **Internal Hernia:** A specific complication of RYGB occurring through **Petersen’s space**. * **Ghrelin:** Levels decrease significantly after Sleeve Gastrectomy because the gastric fundus (the primary site of ghrelin production) is removed.

Q: What is the epithelial lining of the glottis/ true vocal cords?

Stratified squamous non-keratinized. **Explanation:** The respiratory tract is predominantly lined by **pseudostratified ciliated columnar epithelium** (respiratory epithelium). However, areas subjected to significant mechanical stress or friction undergo a protective adaptation to **stratified squamous non-keratinized epithelium**. **1. Why Option A is correct:** The **true vocal cords (glottis)** are responsible for phonation. During speech and coughing, the vocal folds undergo high-frequency vibration and rapid contact (mechanical stress). To withstand this constant friction without damage, the epithelium transitions from respiratory type to stratified squamous non-keratinized epithelium. This provides a durable, multi-layered protective barrier. **2. Why other options are incorrect:** * **Option B (Keratinized):** Keratinization is a feature of the skin (epidermis) to prevent desiccation. Mucosal surfaces like the vocal cords remain moist and do not require a keratin layer. * **Options C & D (Columnar):** While ciliated columnar epithelium lines most of the larynx (supraglottis and subglottis), it is too fragile for the high-impact zone of the true vocal cords. **Clinical Pearls for NEET-PG:** * **The "Transition Zone":** The vocal cords are one of the few sites in the upper respiratory tract where this epithelial change occurs. Another high-yield site is the **epiglottis** (lingual surface and upper part of the laryngeal surface). * **Pathology Link:** Because the true vocal cords are lined by squamous epithelium, the most common malignancy of the larynx is **Squamous Cell Carcinoma (SCC)**. * **Reinke’s Space:** This is the potential space between the epithelium and the vocal ligament. Accumulation of fluid here leads to **Reinke’s edema**, commonly seen in smokers.

Q: Which of the following is NOT seen in neurofibromatosis?

Shagreen patch. **Explanation:** The correct answer is **D. Shagreen patch**. This is because Shagreen patches are pathognomonic for **Tuberous Sclerosis**, not Neurofibromatosis. A Shagreen patch is a connective tissue nevus (leathery, "orange-peel" textured skin) typically found on the lower back. **Analysis of Options:** * **Option A (Meningioma):** Central nervous system tumors are a hallmark of Neurofibromatosis. While more common in **NF-2** (often associated with bilateral acoustic neuromas), meningiomas can occur in both types. * **Option B (Lisch nodules):** These are melanocytic hamartomas of the iris. They are the most common ocular finding in **NF-1** and are present in nearly all affected adults. * **Option C (Axillary freckling):** Also known as **Crowe’s sign**, this is a highly specific clinical marker for **NF-1**. It refers to freckling in the axillary or inguinal regions. **High-Yield Clinical Pearls for NEET-PG:** * **NF-1 (von Recklinghausen Disease):** Chromosome **17**. Diagnostic criteria include ≥6 Café-au-lait spots, Lisch nodules, Axillary freckling, Optic gliomas, and Sphenoid dysplasia. * **NF-2 (MISME Syndrome):** Chromosome **22**. Characterized by bilateral vestibular schwannomas, meningiomas, and juvenile posterior subcapsular lenticular opacities. * **Tuberous Sclerosis (TSC):** Remember the triad of **Epiloia** (Epilepsy, Low IQ, Adenoma sebaceum). Key skin findings include **Ash-leaf spots** (earliest sign), **Shagreen patches**, and **Periungual fibromas** (Koenen tumors).

Q: Which of the following is NOT true about gynecomastia?

None of the above. **Explanation:** Gynecomastia is the benign proliferation of glandular breast tissue in males, primarily caused by an imbalance between estrogen and androgen action. The question asks to identify the incorrect statement; however, all options provided are clinically accurate associations with gynecomastia, making **"None of the above"** the correct choice. 1. **Drug-induced (Option A):** This is a very common cause. High-yield drugs associated with gynecomastia include **S**pironolactone, **D**igoxin, **C**imetidine, **K**etoconazole, and **E**strogens (Mnemonic: **"Some Drugs Create Knockers"**). 2. **Klinefelter’s Syndrome (Option B):** This is the most common chromosomal cause (47, XXY). Patients have primary testicular failure (low testosterone) and elevated gonadotropins, leading to increased peripheral conversion to estrogen. These patients have a **20-50 times higher risk** of developing male breast cancer. 3. **Cryptorchidism (Option C):** Undescended testes are associated with testicular dysgenesis and an increased risk of germ cell tumors (especially seminomas). These conditions can disrupt the hormonal axis or produce hCG, leading to secondary gynecomastia. **High-Yield Clinical Pearls for NEET-PG:** * **Physiological Gynecomastia:** Occurs in three peaks: Neonatal (maternal estrogens), Pubertal (most common, usually resolves in 2 years), and Senile (aging). * **Grading:** Uses the **Simon Scale** (Grade I to III) to determine surgical management. * **Treatment:** The medical drug of choice is **Tamoxifen** (SERM). Surgery (Subcutaneous mastectomy/liposuction) is indicated if the condition is long-standing (>1 year) or causes significant psychological distress. * **True vs. Pseudo-gynecomastia:** True gynecomastia involves glandular tissue (firm, concentric), while pseudo-gynecomastia is merely fat deposition (soft, seen in obesity).

Question 1

A 43-year-old male presented with a submandibular region mass, diagnosed as acinic cell carcinoma after ultrasound and biopsy. Following staging and attempted excision, the patient noticed deviation of his tongue to the affected side post-surgery. Which of the following nerves is most likely to have been damaged?

Accepted Answer

Hypoglossal nerve

Answer

Lingual nerve

Answer

Auriculotemporal nerve

Answer

Facial Nerve

Question 2

Tietz syndrome is:

Accepted Answer

Costochondritis of the second rib

Answer

Costochondritis of the fourth rib

Answer

Superficial thrombophlebitis of the breast

Answer

Fibroadenoma of the breast

Question 3

Endoscopic ultrasound is extremely useful in staging which tumor?

Accepted Answer

Esophageal cancer

Answer

Colon cancer

Answer

Stomach cancer

Answer

Pancreatic head cancer

Question 4

A hernia where the sac contains only a portion of the circumference of the intestine is called:

Accepted Answer

Richter's hernia

Answer

Littre's hernia

Answer

Spigelian hernia

Answer

Lumbar hernia

Question 5

What is the most common cause of a cold abscess of the chest wall?

Accepted Answer

Pott's spine

Answer

TB abscesses of the chest wall

Answer

TB of the ribs

Answer

Intercostal lymphadenitis

Question 6

Which of the following are bariatric surgical procedures?

Accepted Answer

All the above

Answer

Vertical banded gastroplasty

Answer

Roux-en Y gastric bypass

Answer

Biliopancreatic diversion

Question 7

All of the following are true about Bariatric surgery except:

Accepted Answer

Most common cause of death within 30 days of bariatric surgery is peritonitis secondary to anastomotic leak

Answer

Indication for Bariatric surgery is patients that have a BMI of 35 Kg/m2 or more with comorbidity

Answer

Most commonly performed procedure now-a-days is Roux-en-Y gastric bypass

Answer

Laparoscopic adjustable gastric banding is considered safe and reversible

Question 8

What is the epithelial lining of the glottis/ true vocal cords?

Accepted Answer

Stratified squamous non-keratinized

Answer

Stratified squamous keratinized

Answer

Ciliated columnar

Answer

Non-ciliated columnar

Question 9

Which of the following is NOT seen in neurofibromatosis?

Accepted Answer

Shagreen patch

Answer

Meningioma

Answer

Lisch nodule

Answer

Axillary freckling

Question 10

Which of the following is NOT true about gynecomastia?

Accepted Answer

None of the above

Answer

Can be drug-induced

Answer

Associated with Klinefelter's syndrome

Answer

Seen in cryptorchidism

Bariatric Surgery — MCQs

Bariatric Surgery — MCQs

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