Reproductive Pathology Practice Questions

Q: Which histological type of breast carcinoma has the worst prognosis?

Scirrhous. ***Scirrhous*** - Scirrhous breast carcinoma, characterized by **desmoplastic stroma**, often exhibits **poor differentiation** and aggressive behavior, leading to a worse prognosis [2]. - It frequently presents with **poorly defined margins** and can metastasize earlier compared to other types. *Colloid* - Colloid carcinoma typically has a **better prognosis** due to its slower growth and less aggressive nature [2]. - It is characterized by **mucin production**, which can protect it from aggressive biological behavior. *Tubular* - Tubular carcinoma is considered a **low-grade** cancer with a favorable prognosis and often detected at an early stage [1]. - It usually demonstrates a well-circumscribed mass with **excellent survival rates** compared to more aggressive types [2]. *Papillary* - Papillary carcinoma also has a relatively **good prognosis**, particularly when compared to scirrhous types [1]. - Typically presents in older women and is often **non-invasive**, leading to favorable outcomes if treated early [2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 458-459. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, pp. 1069-1070.

Q: In Grade 1 endometrial cancer, what is the percentage of solid growth pattern typically observed?

<5. ***<5%*** - Grade 1 endometrial cancer is characterized by **well-differentiated** glandular patterns and **minimal solid growth**. - According to the **FIGO grading system**, Grade 1 endometrial carcinomas exhibit **5% or less non-squamous solid growth**. - This represents the best-differentiated form with the most favorable prognosis. *6-25%* - This percentage range of solid growth corresponds to **Grade 2 endometrial cancer** (6-50% solid growth), indicating a moderately differentiated tumor. - Grade 2 tumors have an intermediate prognosis and greater architectural atypia compared to Grade 1. - The entire range of 6-50% solid growth falls within Grade 2 classification. *25-50%* - This range still represents **Grade 2 endometrial cancer**, not Grade 3, as the FIGO system classifies 6-50% solid growth as Grade 2. - Grade 2 indicates moderate differentiation with intermediate prognosis. - Only when solid growth exceeds 50% does it become Grade 3. *>50%* - Greater than 50% solid growth is classified as **Grade 3 endometrial cancer**, representing a poorly differentiated and aggressive tumor. - Grade 3 tumors show significant loss of glandular architecture and have the worst prognosis. - These tumors have higher potential for metastasis and recurrence.

Q: Dysgerminoma spreads mainly via ?

Lymphatic route. ***Lymphatic route*** - Dysgerminoma, a germ cell tumor of the ovary, primarily spreads via the **lymphatic system** [1]. - It commonly metastasizes to the **peritoneal lymph nodes**, especially the paraaortic and pelvic nodes, making lymphadenectomy a crucial part of staging. *Hematogenous route* - While possible in advanced stages, **hematogenous spread** is not the primary or most common route for dysgerminoma. - This route typically leads to distant metastases in organs like the lung or liver, which are less frequent primary sites of spread for dysgerminoma. *Direct spread* - **Direct extension** to adjacent pelvic structures can occur, but it is not considered the main mode of dissemination for dysgerminoma beyond the local compartment. - This type of spread is more common in advanced, bulky tumors that have breached the ovarian capsule. *Does not spread* - This option is incorrect as dysgerminoma, like most malignant tumors, has the potential to **metastasize** and spread from its primary site. - Its excellent prognosis is attributed to its high sensitivity to chemotherapy and radiation, not its inability to spread. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1034-1035.

Q: What is the approximate percentage of cases in which simple hyperplasia with atypia progresses to endometrial cancer?

8-9%. ***8-9%*** - **Simple hyperplasia with atypia** has an approximate **8% progression risk** to **endometrial adenocarcinoma**. - The presence of **cytological atypia** significantly increases the malignant potential compared to simple hyperplasia without atypia [2]. - Atypical hyperplasia is a recognized **precursor lesion** requiring close surveillance or treatment [1]. *1-2%* - This lower percentage represents the progression risk for **simple hyperplasia WITHOUT atypia**, not with atypia [2]. - The absence of cytological atypia confers a much lower risk of malignant transformation. - This distinction between atypical and non-atypical hyperplasia is crucial for management decisions. *3-4%* - This percentage is more consistent with **complex hyperplasia without atypia** [2]. - While architectural complexity increases risk compared to simple hyperplasia, the absence of atypia keeps the progression rate relatively low. *20%* - This high percentage is more characteristic of **complex hyperplasia with atypia** (also called endometrial intraepithelial neoplasia, EIN), which has a progression rate of approximately **29%** [2]. - Complex atypical hyperplasia represents the highest-risk precursor lesion and often warrants definitive treatment such as hysterectomy in appropriate candidates [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1016-1020. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Female Genital Tract Disease, pp. 473-475.

Q: Which of the following tumors is associated with elevated levels of Alpha-fetoprotein (AFP)?

Yolk sac tumor. ***a and c*** - **Alpha-fetoprotein (AFP)** is commonly elevated in certain germ cell tumors, specifically **non-seminomatous tumors** [1]. - This correctly includes conditions associated with raised AFP, indicating its relevance in testicular tumors beyond **seminoma**. *Seminoma* - Typically associated with elevated **beta-hCG** but not significantly with **AFP** levels; only very rarely can it show a slight increase. - It mainly presents as a **solid testicular mass** and is classified under germ cell tumors that do not usually raise AFP [1]. *Teratoma* - Teratomas can be associated with elevated AFP but predominantly in **mixed germ cell tumors** rather than pure teratomas [1]. - They may require surgical intervention and can produce a variety of germ cell components, complicating tumor markers interpretation. *Yolk sac tumor* - Specifically associated with significantly elevated **AFP** and is a common cause of raised levels in children and some adults [1]. - However, this does not adequately cover other conditions that may also elevate AFP levels, hence it's incomplete in the context of the question. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Lower Urinary Tract and Male Genital System, pp. 979-980.

Q: What is the most common type of penile carcinoma?

Squamous cell carcinoma. ***Squamous cell carcinoma*** - This is by far the most common type, accounting for over **95% of all penile cancers** [1]. - It arises from the **epithelial cells** of the penis, particularly the glans or inner foreskin [2]. *Basal cell carcinoma* - While it is a common skin cancer, **basal cell carcinoma is extremely rare on the penis**, accounting for less than 1% of cases. - It usually presents as a **slow-growing papule or nodule** with rolled borders on sun-exposed skin [3]. *Adenocarcinoma* - This type of cancer originates from **glandular tissue**, which is not the predominant tissue type in the penile shaft or glans. - Adenocarcinoma of the penis is exceptionally rare, usually associated with **Paget's disease** of the glans or urethra. *Small cell carcinoma* - Small cell carcinoma is a highly aggressive neuroendocrine tumor, most commonly found in the **lungs**. - Its occurrence in the penis is **extremely rare** and carries a very poor prognosis. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Lower Urinary Tract and Male Genital System, pp. 975-976. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Diseases Of The Urinary And Male Genital Tracts, pp. 505-506. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Disorders Involving Inflammatory And Haemopoietic Cells, pp. 643-644.

Q: In a case of Dysgerminoma of ovary one of the following tumor markers is likely to be raised :

Serum lactic dehydrogenase. ***Serum lactic dehydrogenase*** - **Dysgerminoma** is a germ cell tumor of the ovary, and about 40-50% of cases are associated with elevated **serum lactic dehydrogenase (LDH)** levels, especially in advanced stages. - Elevated LDH is a general marker of **cellular turnover** and tumor burden, and while not specific to dysgerminomas, it is commonly used in their monitoring and prognosis. *Serum HCG* - While some dysgerminomas can produce a small amount of **human chorionic gonadotropin (HCG)** if they contain syncytiotrophoblastic giant cells [1][2], a significant elevation of HCG is more characteristic of **choriocarcinoma** [1] or mixed germ cell tumors. - A markedly raised HCG in the context of an ovarian germ cell tumor would typically prompt consideration of other tumor types before solely attributing it to a pure dysgerminoma. *Serum alphafetoprotein* - **Alpha-fetoprotein (AFP)** is a primary tumor marker for **yolk sac tumors (endodermal sinus tumors)** and is also elevated in **embryonal carcinoma** and some mixed germ cell tumors. - Pure dysgerminomas do not produce AFP [1], so its elevation would indicate a different germ cell tumor component. *Serum inhibin* - **Inhibin** (specifically inhibin A and B) is a classic tumor marker for **granulosa cell tumors** of the ovary, which are sex cord-stromal tumors, not germ cell tumors. - It plays a role in regulating FSH secretion and is not produced by dysgerminomas. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1034-1036. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Female Genital Tract Disease, pp. 480-481.

Q: In the context of Endometrial carcinoma, which tumor suppressor gene is most commonly mutated?

PTEN. ***PTEN*** - The **PTEN gene** is frequently mutated in endometrial carcinoma, leading to loss of functional tumor suppression. - PTEN loss is associated with **hyperactivation of the PI3K/AKT pathway**, which promotes cell growth and survival, contributing to cancer development. *APC* - The **APC gene** is primarily associated with **colorectal cancer**, particularly familial adenomatous polyposis, not endometrial carcinoma. - APC mutations lead to **beta-catenin accumulation**, which is not a central event in endometrial tumorigenesis. *Rb* - The **Rb gene** is mainly related to retinoblastoma and other tumors but has a limited role in endometrial carcinoma. - Rb typically regulates the **cell cycle**, and its loss primarily affects other cancer types rather than endometrial tumors. *P53* - Although **P53 mutations** can occur in many cancers, including endometrial carcinoma, it is not the primary tumor suppressor gene associated with its development [1]. - P53 is more commonly linked with other malignancies and is considered a **late event** in endometrial carcinoma progression. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1021-1022.

Q: In a histopathological examination, a tumor shows a hobnail appearance. Which of the following tumors is most likely associated with this finding?

Clear cell carcinoma. ***Clear cell carcinoma*** - The **hobnail appearance** describes tumor cells that protrude into the lumen, resembling a hobnail, which is a characteristic feature of **clear cell carcinoma** in various organs like the kidney, ovary, and uterus. - These cells often have **clear cytoplasm** and prominent apical nuclei, contributing to their distinct appearance. *Endodermal sinus tumor* - This tumor is known for forming **Schiller-Duval bodies**, which are pathognomonic glomeruloid structures, not a hobnail appearance. - It typically contains regions of a reticular pattern and often stains positive for **alpha-fetoprotein (AFP)**. *HCC* - **Hepatocellular carcinoma (HCC)** is characterized by cells resembling hepatocytes, forming trabecular, solid, or pseudoglandular patterns. - It does not typically exhibit the **hobnail cell morphology** described. *Choriocarcinoma* - **Choriocarcinoma** is composed of cytotrophoblasts and syncytiotrophoblasts, which are often arranged in a haphazard fashion without distinct hobnail features. - This tumor is characterized by high levels of **human chorionic gonadotropin (hCG)**.

Question 1

Which histological type of breast carcinoma has the worst prognosis?

Accepted Answer

Scirrhous

Answer

Tubular

Answer

Colloid

Answer

Papillary

Question 2

Which of the following factors is associated with the best prognosis in breast carcinoma?

Accepted Answer

Tumor size <1 cm, lymph nodes negative, estrogen receptor positive, progesterone receptor positive, HER2 negative

Answer

Tumor size <1 cm, lymph nodes negative, estrogen receptor negative, progesterone receptor negative, HER2 positive

Answer

Tumor size <2 cm, lymph nodes negative, estrogen receptor positive, progesterone receptor positive, HER2 negative

Answer

Tumor size >2 cm, lymph nodes positive, estrogen receptor negative, progesterone receptor negative, HER2 positive

Question 3

In Grade 1 endometrial cancer, what is the percentage of solid growth pattern typically observed?

Accepted Answer

<5

Answer

6-25

Answer

25-50

Answer

>50

Question 4

Dysgerminoma spreads mainly via ?

Accepted Answer

Lymphatic route

Answer

Hematogenous route

Answer

Direct spread

Answer

Does not spread

Question 5

What is the approximate percentage of cases in which simple hyperplasia with atypia progresses to endometrial cancer?

Accepted Answer

8-9%

Answer

3-4%

Answer

1-2%

Answer

20%

Question 6

Which of the following tumors is associated with elevated levels of Alpha-fetoprotein (AFP)?

Accepted Answer

Yolk sac tumor

Answer

Teratoma

Answer

Seminoma

Answer

None of the options

Question 7

What is the most common type of penile carcinoma?

Accepted Answer

Squamous cell carcinoma

Answer

Basal cell carcinoma

Answer

Adenocarcinoma

Answer

Small cell carcinoma

Question 8

In a case of Dysgerminoma of ovary one of the following tumor markers is likely to be raised :

Accepted Answer

Serum lactic dehydrogenase

Answer

Serum HCG

Answer

Serum inhibin

Answer

Serum alpha-fetoprotein

Question 9

In the context of Endometrial carcinoma, which tumor suppressor gene is most commonly mutated?

Accepted Answer

PTEN

Answer

P53

Answer

Rb

Answer

APC

Question 10

In a histopathological examination, a tumor shows a hobnail appearance. Which of the following tumors is most likely associated with this finding?

Accepted Answer

Clear cell carcinoma

Answer

Endodermal sinus tumor

Answer

HCC

Answer

Choriocarcinoma

Reproductive Pathology — MCQs

Reproductive Pathology — MCQs

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