Reproductive Pathology Practice Questions

Q: Which of the following is NOT a characteristic of breast papilloma?

Regular polarized gland pattern. **Explanation:** The core concept in differentiating benign from malignant breast lesions is the preservation of the **dual cell layer**. **Why Option D is the Correct Answer:** A **"Regular polarized gland pattern"** is a hallmark of **well-differentiated adenocarcinoma** (malignancy), not benign papilloma. In benign lesions like intraductal papilloma, the architecture consists of branching fibrovascular cores covered by two layers of cells (epithelial and myoepithelial) [1]. The growth is often complex and crowded, lacking the organized, uniform, and polarized glandular arrangement seen in low-grade carcinomas. **Analysis of Incorrect Options:** * **A. Myoepithelial cells present:** This is a defining feature of benign breast lesions. The presence of a basal myoepithelial layer (highlighted by p63 or SMA stains) excludes malignancy [1]. * **B. Apocrine metaplasia:** This is a common reactive change seen in benign breast conditions, including papillomas and fibrocystic changes. Its presence strongly favors a benign diagnosis. * **C. Hyperplasia of adjacent ducts:** Intraductal papillomas are frequently associated with other proliferative breast changes, such as usual ductal hyperplasia (UDH) in the surrounding terminal duct lobular units. **High-Yield NEET-PG Pearls:** * **Clinical Presentation:** Intraductal papilloma is the most common cause of **bloody nipple discharge**. * **Location:** Solitary papillomas are usually **subareolar** (large ducts), while multiple papillomas are peripheral and carry a higher risk of subsequent carcinoma. * **Key Diagnostic Marker:** Loss of the myoepithelial layer is the "gold standard" for diagnosing invasive carcinoma. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 446-447.

Q: A 22-year-old woman has an abnormal cervical Pap smear. A biopsy is obtained from a suspicious area on the cervix. The pathology report states: "There is a loss of the normal orientation of the squamous cells. Atypical cells with wrinkled nuclei and perinuclear halos involve the full thickness of the squamous epithelium. The basement membrane is intact." What is your diagnosis?

CIN III with koilocytic atypia. **Explanation:** The diagnosis of **Cervical Intraepithelial Neoplasia (CIN)** is based on the extent of epithelial involvement by atypical cells and the loss of cellular maturation. 1. **Why Option C is Correct:** The pathology report describes atypical cells involving the **full thickness** of the squamous epithelium. By definition, if cellular atypia (pleomorphism, increased N:C ratio, and loss of polarity) involves more than two-thirds of the epithelium or the full thickness, it is classified as **CIN III** (which includes Carcinoma in situ). The "wrinkled nuclei and perinuclear halos" are classic morphological hallmarks of **koilocytic atypia**, indicating Human Papillomavirus (HPV) infection. The "intact basement membrane" confirms that the lesion is pre-invasive and not yet invasive squamous cell carcinoma. 2. **Why Other Options are Incorrect:** * **Option A (CIN I):** Atypia is limited to the **lower one-third** of the epithelium. * **Option B (CIN II):** Atypia involves the **lower two-thirds** of the epithelium. * **Option D:** Inflammatory atypia shows reactive changes but does not involve full-thickness loss of orientation or specific koilocytic features. **NEET-PG High-Yield Pearls:** * **Koilocytes:** Pathognomonic for HPV infection (usually types 16 and 18 for high-grade lesions). * **Bethesda System:** CIN II and CIN III are grouped together as **High-grade Squamous Intraepithelial Lesions (HSIL)**, while CIN I is **Low-grade (LSIL)**. * **Management:** For CIN II/III (HSIL) in a 22-year-old, treatment options include LEEP (Loop Electrosurgical Excision Procedure) or cold knife conization, though conservative management may be considered in specific young patients to preserve cervical integrity.

Q: Fibroma belongs to which of the following categories of ovarian tumors?

Sex cord stromal tumor. **Explanation:** Ovarian tumors are classified based on the cell of origin. **Fibromas** are the most common benign solid tumors of the ovary and belong to the **Sex Cord-Stromal Tumor (SCST)** category. These tumors arise from the ovarian stroma (mesenchyme) or the primitive sex cords of the embryonic gonad. **Why the correct answer is right:** * **Sex Cord-Stromal Tumors:** This group includes tumors derived from granulosa cells, theca cells, Sertoli cells, Leydig cells, and fibroblasts. Fibromas are composed of spindle-shaped fibroblastic cells that produce collagen. Unlike other SCSTs (like Granulosa cell tumors), fibromas are typically **non-hormonal** (inactive). **Why the other options are wrong:** * **Germ Cell Tumors (A):** Arise from the oocytes (e.g., Teratoma, Dysgerminoma, Yolk sac tumor). * **Surface Epithelial Tumors (C):** Arise from the ovarian surface epithelium (e.g., Serous, Mucinous, Endometrioid tumors). This is the most common overall category of ovarian neoplasia. * **Metastatic Tumors (D):** Arise from non-ovarian primaries, such as the GI tract (Krukenberg tumor) or breast. **High-Yield Clinical Pearls for NEET-PG:** 1. **Meigs Syndrome:** A classic triad associated with ovarian fibroma consisting of: **Ovarian Fibroma + Ascites + Right-sided Pleural Effusion.** Symptoms resolve after tumor removal. 2. **Gorlin Syndrome:** Multiple ovarian fibromas at a young age are associated with Nevoid Basal Cell Carcinoma Syndrome. 3. **Gross Appearance:** Fibromas are typically unilateral, firm, chalky white, and show a "whorled" appearance on the cut surface.

Q: Which of the following is the most common pure malignant germ cell tumor of the ovary?

Dysgerminoma. **Explanation:** **Dysgerminoma** is the most common pure malignant germ cell tumor (GCT) of the ovary, accounting for approximately 50% of all malignant GCTs. It is the female counterpart of the testicular seminoma. These tumors are typically seen in young women (adolescents and those in their 20s) and are characterized by their exquisite sensitivity to radiotherapy and chemotherapy. **Analysis of Options:** * **A. Choriocarcinoma:** This is a rare, highly aggressive non-gestational germ cell tumor. It is much less common than dysgerminoma and is associated with very high levels of hCG. * **B. Gonadoblastoma:** This is not a "pure" malignant germ cell tumor; it is a mixed germ cell-sex cord-stromal tumor. It typically arises in dysgenetic gonads (e.g., Swyer syndrome) and has the potential for malignant transformation into a dysgerminoma. * **D. Malignant Teratoma:** Specifically referring to **Immature Teratoma**, this is the second most common malignant GCT. While common, its incidence is lower than that of dysgerminoma. **High-Yield Clinical Pearls for NEET-PG:** * **Tumor Markers:** Dysgerminoma is associated with elevated **LDH** (most specific) and occasionally alkaline phosphatase. Unlike other GCTs, it usually does not produce AFP or hCG (unless syncytiotrophoblastic giant cells are present). * **Association:** It is the most common malignant tumor found in patients with **gonadal dysgenesis**. * **Bilateralism:** It is the only malignant GCT that is frequently **bilateral** (10–15% of cases); others are almost always unilateral. * **Microscopy:** Characterized by "fried egg" appearance cells (clear cytoplasm, central nuclei) separated by fibrous septa containing **lymphocytes**.

Question 1

Women carrying the BRCA1 gene are more likely to develop which type of breast carcinoma?

Accepted Answer

Medullary

Answer

Lobular

Answer

Colloid

Answer

Secretory

Question 2

Which of the following is NOT a characteristic of breast papilloma?

Accepted Answer

Regular polarized gland pattern

Answer

Myoepithelial cells present

Answer

Apocrine metaplasia is seen

Answer

Hyperplasia of adjacent ducts

Question 3

A 22-year-old woman has an abnormal cervical Pap smear. A biopsy is obtained from a suspicious area on the cervix. The pathology report states: "There is a loss of the normal orientation of the squamous cells. Atypical cells with wrinkled nuclei and perinuclear halos involve the full thickness of the squamous epithelium. The basement membrane is intact." What is your diagnosis?

Accepted Answer

CIN III with koilocytic atypia

Answer

Cervical intraepithelial neoplasia (CIN) I with koilocytic atypia

Answer

CIN II with koilocytic atypia

Answer

Inflammatory atypia secondary to colposcopy

Question 4

Which of the following predisposes to breast cancer?

Accepted Answer

Epitheliosis

Answer

Adenosis

Answer

Fibrosis

Answer

Blue domed cysts

Question 5

Signet-ring cells are characteristically found in which type of breast cancer?

Accepted Answer

Invasive lobular carcinoma

Answer

Papillary carcinoma

Answer

Tubular carcinoma

Answer

Invasive ductal carcinoma

Question 6

Fibroma belongs to which of the following categories of ovarian tumors?

Accepted Answer

Sex cord stromal tumor

Answer

Germ cell tumor

Answer

Surface epithelial stromal tumor

Answer

Metastatic tumor from a non-ovarian primary

Question 7

Which of the following is the most common pure malignant germ cell tumor of the ovary?

Accepted Answer

Dysgerminoma

Answer

Choriocarcinoma

Answer

Gonadoblastoma

Answer

Malignant teratoma

Question 8

A 40-year-old woman presented with severe abdominal pain, fever, and nausea. Explorative laparotomy revealed a purple-red tumor on the uterus with a fishy odor. Careful examination showed that some large veins on the tumor were thrombosed. What is the possible diagnosis?

Accepted Answer

Red degeneration of a myoma

Answer

Sarcomatous change in a pre-existing myoma

Answer

Fatty degeneration of a myoma

Answer

Hyaline degeneration of a myoma

Question 9

What is the percentage of cystic glandular hyperplasia that progresses to malignancy?

Accepted Answer

1%

Answer

0.10%

Answer

2%

Answer

10%

Question 10

Which of the following statements is true about seminoma of the testis?

Accepted Answer

It commonly occurs in the 6th decade

Answer

An undescended testis is more liable to develop this tumor

Answer

Histologically it resembles dysgerminoma of the ovary

Answer

It is radioresistant

Reproductive Pathology — MCQs

Reproductive Pathology — MCQs

On this page

Practice by Chapter

Want unlimited practice?