Pancreatic Pathology Practice Questions

Q: What is true in a case of chronic pancreatitis?

Complete destruction of pancreatic tissue. **Explanation:** Chronic pancreatitis is characterized by **irreversible** morphologic changes. The core pathophysiology involves progressive inflammation leading to the **complete destruction of pancreatic parenchyma** (both exocrine and endocrine components), which is eventually replaced by dense fibrous connective tissue [1]. This leads to the classic triad of steatorrhea, diabetes mellitus, and pancreatic calcifications. **Analysis of Options:** * **Option B (Correct):** As the disease progresses, there is a total loss of acinar and islet cell mass, resulting in permanent functional insufficiency [1]. * **Option A (Incorrect):** Pancreatic pseudocysts are "pseudo" because they **lack an epithelial lining**. They are walled off by granulation and fibrous tissue, not gastric epithelium. * **Option C (Incorrect):** The most common cause of chronic pancreatitis worldwide is **chronic alcohol consumption** (70-80%) [1]. Biliary tract disease (gallstones) is a common cause of *acute* pancreatitis but rarely leads to chronic disease. * **Option D (Incorrect):** While gene mutations (e.g., **PRSS1, SPINK1, CFTR**) are associated with hereditary and idiopathic forms, they are not a universal finding in all cases of chronic pancreatitis. **High-Yield Clinical Pearls for NEET-PG:** * **Classic Triad:** Steatorrhea + Diabetes + Pancreatic Calcifications (seen on X-ray/CT) [1], [2]. * **Most sensitive test:** Secretin stimulation test (shows decreased bicarbonate output). * **Best initial imaging:** Contrast-Enhanced CT (CECT) to visualize calcifications and ductal dilation ("Chain of Lakes" appearance) [2]. * **Pain Management:** Steatorrhea is managed with pancreatic enzyme replacement therapy (PERT), which also helps reduce pain by suppressing CCK release.

Q: Which of the following is NOT true about mucinous cystadenoma of the pancreas?

Microcystic adenoma. **Explanation:** The correct answer is **A (Microcystic adenoma)** because this term refers to **Serous Cystadenoma**, which is a distinct clinical entity from Mucinous Cystadenoma. **1. Why Option A is correct (The False Statement):** Mucinous Cystadenomas are typically **macrocystic** (large cysts, usually 2 cm in size). In contrast, **Microcystic adenoma** is a synonym for Serous Cystadenoma, which is characterized by numerous tiny cysts (honeycomb appearance) and is almost always benign. **2. Analysis of Incorrect Options (True Statements):** * **Option B (Lined by columnar epithelium):** Mucinous cystadenomas are pathologically defined by a lining of tall, mucin-producing columnar epithelium. * **Option C (Premalignant):** Unlike serous lesions, mucinous cystadenomas have significant malignant potential and are considered precursors to invasive cystadenocarcinoma. Surgical resection is generally recommended for this reason. * **Option D (Presence of ovarian-like stroma):** This is a **pathognomonic feature** of mucinous cystic neoplasms. They occur almost exclusively in women (95%), and the dense, spindle-cell stroma resembles ovarian tissue. **Clinical Pearls for NEET-PG:** * **Demographics:** Mucinous cystadenomas are most common in the **body and tail** of the pancreas in middle-aged women ("Mother" tumor). * **Imaging:** Look for "peripheral eggshell calcification" on CT, which is highly suggestive of malignancy. * **Cyst Fluid Analysis:** High CEA levels (>192 ng/mL) and high viscosity (mucin) are characteristic, while amylase is typically low (unlike pseudocysts). * **Rule of Thumb:** Serous = Benign/Microcystic; Mucinous = Premalignant/Macrocystic.

Question 1

Intraductal papillary mucinous neoplasm is a precursor of which of the following entities?

Accepted Answer

Ductal adenocarcinoma

Answer

Mucinous cystic neoplasm

Answer

Mucinous non-cystic neoplasm

Answer

Solid pseudopapillary neoplasm

Question 2

What is true in a case of chronic pancreatitis?

Accepted Answer

Complete destruction of pancreatic tissue

Answer

Pseudocyst lined with gastric epithelium

Answer

Most common cause is biliary

Answer

Gene mutation is seen

Question 3

Which of the following is NOT true about mucinous cystadenoma of the pancreas?

Accepted Answer

Microcystic adenoma

Answer

Lined by columnar epithelium

Answer

Premalignant

Answer

Presence of ovarian-like stroma

Question 4

Which of the following conditions has the highest risk of progressing to pancreatic carcinoma?

Accepted Answer

Intraductal papillary mucinous neoplasms

Answer

Pseudopancreatic cyst

Answer

Serous cystic neoplasms

Answer

Mucinous cystic neoplasms

Question 5

Which of the following statements is false regarding hereditary pancreatitis?

Accepted Answer

Autosomal recessive inheritance

Answer

Mutation of the cationic trypsinogen gene

Answer

Hereditary pancreatitis is associated with chromosome 7

Answer

Increased risk of pancreatic cancer

Pancreatic Pathology — MCQs

Pancreatic Pathology — MCQs

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