Reproductive Pathology — MCQs
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What condition is the Lendrum stain primarily used to diagnose?
In which organ are corpora amylacea typically observed in a pathological context?
Transitional cell carcinoma of the bladder is associated with which of the following?
All of the following statements are true about Gleason score, except:
This type of endometrial hyperplasia leads to an increased risk of endometrial cancer.
What is the most common histological variety of uterine carcinoma?
Call-Exner bodies are seen in:
Call-Exner bodies are identified in?
Not a histological marker for choriocarcinoma:
Which of the following testicular tumors is not a germ cell neoplasm?
Reproductive Pathology Indian Medical PG Practice Questions and MCQs
Question 291: What condition is the Lendrum stain primarily used to diagnose?
- A. Air embolism
- B. Fat embolism
- C. Amniotic fluid embolism (Correct Answer)
- D. Thromboembolism
Explanation: ***Amniotic fluid embolism*** - The **Lendrum stain** (specifically the modified Lendrum stain) is used to detect **fetal squamous cells** and **mucin** in maternal lung tissue, which are markers for amniotic fluid embolism [1]. - It helps confirm the diagnosis of this rare but severe obstetric emergency characterized by the entry of **amniotic fluid** into the maternal circulation [1]. *Air embolism* - Air embolism is diagnosed based on the presence of **gas bubbles** in blood vessels, often visualized by imaging or directly during autopsy, not by a specific tissue stain [1]. - Histologically, air emboli lead to characteristic foam-like structures in vascular lumens, but no specific stain highlights the air itself. *Fat embolism* - Fat embolism is diagnosed by the presence of **fat globules** in pulmonary capillaries and other organs, typically stained with **oil-soluble dyes like Oil Red O** or Sudan stains on frozen sections. - The Lendrum stain is designed for mucin and keratin, not neutral lipids like fat. *Thromboembolism* - Thromboembolism involves **blood clots** that occlude vessels and is diagnosed using routine H&E staining, which shows fibrin, platelets, and red blood cells [1]. - Special stains like **phosphotungstic acid-hematoxylin (PTAH)** or **Martius scarlet blue (MSB)** may be used for fibrin, but the Lendrum stain is specifically designed for amniotic fluid components, not thrombi. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Respiratory Tract Disease, pp. 323-324.
Question 292: In which organ are corpora amylacea typically observed in a pathological context?
- A. Thymus
- B. Lymph node
- C. Spleen
- D. Prostate (Correct Answer)
Explanation: ***Prostate*** - **Corpora amylacea**, also known as prostatic concretions, are common, benign findings in the prostate gland, especially with increasing age. - They are composed of glycoproteins and often found within the **acini and ducts of the prostate**. *Thymus* - The thymus is known for **Hassall's corpuscles**, which are epithelial reticular cells arranged concentrically, playing a role in T-cell selection. - **Corpora amylacea** are not typically found in the normal thymus. *Lymph node* - Lymph nodes are characterized by their lymphoid follicles, germinal centers, and medullary cords. - While they can have various inclusions or changes in disease states, **corpora amylacea** are not a typical pathological finding in lymph nodes. *Spleen* - The spleen is primarily involved in filtering blood and immune responses, with distinct red and white pulp regions. - **Corpora amylacea** are not associated with the normal or pathological histology of the spleen.
Question 293: Transitional cell carcinoma of the bladder is associated with which of the following?
- A. Malaria
- B. Schistosomiasis
- C. None of the options (Correct Answer)
- D. Ascariasis
Explanation: ***Schistosomiasis*** - Schistosomiasis, particularly from *Schistosoma haematobium*, is a well-known risk factor for **transitional cell carcinoma of the bladder** due to chronic irritation and inflammation [1]. - The association arises due to the **presence of eggs in the bladder**, leading to calcification and eventually cancer development. *Malaria* - Malaria is primarily associated with **hemolytic anemia** and does not have a direct correlation with **bladder cancer**. - Its causative agents, *Plasmodium* species, do not typically lead to **urological malignancies** like transitional cell carcinoma. *Ascarasis* - Ascarasis, caused by *Ascaris lumbricoides*, primarily affects the **intestines** and is more associated with gastrointestinal issues. - There is no significant link between ascarasis and the **development of bladder cancer**. *Any of d above* - As this option suggests all listed conditions, it incorrectly implies that **malaria** and **ascarasis** are linked to bladder cancer, which they are not. - Transitional cell carcinoma is specifically associated with **schistosomiasis**, making this option misleading. **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. 968-970.
Question 294: All of the following statements are true about Gleason score, except:
- A. Used for grading prostate cancer
- B. Higher the score, poorer the prognosis
- C. Helps in planning management
- D. Scores range from 2-10 (Correct Answer)
Explanation: ***Scores range from 2-10*** - The **Gleason score** is obtained by summing the two most predominant architectural patterns of tumor growth, with each pattern graded from 1 to 5. The lowest possible sum is 2 (1+1) and the highest is 10 (5+5). However, **Gleason scores are now reported from 6 to 10** for clinical purposes, as grade 1 and 2 patterns are rarely seen in biopsies, and for practical purposes, anything less than a 3+3=6 is considered benign or low-risk. [1] - While mathematically the range is 2-10, in modern clinical practice, a score of 6 is the lowest grade assigned to prostate cancer, making the statement that scores range from 2-10 clinically inaccurate. *Used for grading prostate cancer* - The **Gleason score** is a well-established and widely used histological grading system specifically for prostate adenocarcinoma. [2] - It assesses the **architectural patterns** of glandular differentiation in prostate cancer to predict its aggressiveness. *Higher the score, poorer the prognosis* - A **higher Gleason score** indicates a more poorly differentiated and aggressive tumor, which correlates with a greater likelihood of metastasis and recurrence. [2] - This directly translates to a **poorer prognosis** for the patient. *Helps in planning management* - The **Gleason score** is a critical factor, along with PSA levels and clinical staging, in determining the risk stratification of prostate cancer. - This risk stratification guides treatment decisions, such as whether to pursue active surveillance, radiation therapy, surgery, or systemic therapy. **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. 990-992. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Lower Urinary Tract and Male Genital System, pp. 993-994.
Question 295: This type of endometrial hyperplasia leads to an increased risk of endometrial cancer.
- A. Simple
- B. Atypical (Correct Answer)
- C. Complex
- D. Secretory
Explanation: ***Atypical*** - **Atypical endometrial hyperplasia** shows both glandular architectural abnormalities and features of cellular atypia, such as nuclear pleomorphism and prominent nucleoli [1]. - The presence of cellular atypia is the key differentiator and significantly increases the risk of progression to **endometrial adenocarcinoma**, with up to 30% progressing to cancer [2]. *Simple* - **Simple endometrial hyperplasia** involves an increase in the number of endometrial glands, which retain their normal shape and uniform distribution [1]. - While it represents abnormal proliferation, the risk of progression to **endometrial cancer** is very low (less than 1%) [2]. *Complex* - **Complex endometrial hyperplasia** shows architectural crowding and branching of glands, but without cellular atypia [2]. - The glands are no longer uniformly spaced, creating a more complex pattern, but the individual cells do not show features of malignancy; therefore, the risk of progression to **endometrial cancer** is low (around 3%) [2]. *Secretive* - **Secretory endometrium** is a normal physiological phase of the menstrual cycle, occurring after ovulation under the influence of progesterone. - This term describes the histological appearance of the endometrium, not a type of hyperplasia or a premalignant condition. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1016-1018. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Female Genital Tract Disease, pp. 473-475.
Question 296: What is the most common histological variety of uterine carcinoma?
- A. Mixed carcinoma
- B. Squamous cell carcinoma
- C. Serous carcinoma
- D. Adenocarcinoma (Correct Answer)
Explanation: ***Adenocarcinoma*** - **Endometrial adenocarcinoma** is by far the most common type of uterine carcinoma, accounting for about 80% of all cases [1]. - It arises from the **glandular epithelial cells** lining the endometrium and is typically associated with **estrogen exposure** [1]. *Squamous cell carcinoma* - **Squamous cell carcinoma** of the uterus is extremely rare and usually occurs in the cervix, not the uterine body. - While it can occur in the endometrium in specific circumstances (e.g., in association with pyometra), it is not the most common type. *Serous carcinoma* - **Uterine serous carcinoma** is a more aggressive, high-grade subtype that accounts for a smaller percentage (5-10%) of uterine cancers. - It is typically seen in older women and often presents at an advanced stage, but it is not the most common overall. *Mixed carcinoma* - **Mixed carcinoma** of the uterus contains elements of more than one histological type, typically adenocarcinoma and another more aggressive component. - These are uncommon and represent a smaller fraction of uterine cancers compared to pure adenocarcinoma. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1016-1018.
Question 297: Call-Exner bodies are seen in:
- A. Dysgerminoma
- B. Polyembryoma
- C. Theca cell tumor
- D. Granulosa cell tumor (Correct Answer)
Explanation: ***Granulosa cell tumor*** - **Call-Exner bodies** are characteristic histological features of **granulosa cell tumors**, appearing as small, fluid-filled spaces resembling immature ovarian follicles [1]. - They are formed by granulosa cells arranged around an eosinophilic, fluid-filled space containing hyaluronic acid [1]. *Dysgerminoma* - Dysgerminomas are characterized by large, uniform cells with clear cytoplasm and prominent nuclei, often separated by fibrous septa infiltrated by lymphocytes [1]. - They do not typically exhibit Call-Exner bodies; instead, they are the ovarian counterpart of testicular seminomas [1]. *Polyembryoma* - Polyembryoma is a rare and highly malignant germ cell tumor characterized by the formation of **embryoid bodies** that mimic early embryonic development [1]. - These tumors do not contain Call-Exner bodies and are distinct in their histological appearance [1]. *Theca cell tumor* - Theca cell tumors (thecomas) are benign ovarian tumors composed of spindle-shaped cells resembling normal ovarian stromal cells, often arranged in fascicles [1]. - They are known for their hormonal activity, particularly estrogen production, but lack Call-Exner bodies in their histological structure [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1026-1037.
Question 298: Call-Exner bodies are identified in?
- A. Granulosa cell tumour (Correct Answer)
- B. Endodermal sinus cell tumour
- C. Ovarian fibroma
- D. Teratoma
Explanation: ***Granulosa cell tumour*** - **Call-Exner bodies** are a characteristic histological feature of granulosa cell tumors, appearing as small, gland-like structures filled with eosinophilic fluid and surrounded by granulosa cells [2]. - They represent an abortive attempt at **follicle formation** by the neoplastic granulosa cells [2]. *Endodermal sinus cell tumour* - This tumor is characterized by **Schiller-Duval bodies**, which are glomerulus-like structures, a key diagnostic feature, not Call-Exner bodies. - It is a **germ cell tumor** that typically produces alpha-fetoprotein (AFP). *Ovarian fibroma* - An ovarian fibroma is a **benign stromal tumor** characterized histologically by bundles of spindle cells with abundant collagen, lacking Call-Exner bodies. - This tumor is often associated with **Meigs' syndrome** (ascites, pleural effusion, and ovarian fibroma). *Teratoma* - Teratomas are **germ cell tumors** composed of various mature or immature tissues derived from multiple germ layers (ectoderm, mesoderm, endoderm) [1], [3]. - They do not typically contain Call-Exner bodies; instead, they show a disorganized mixture of tissues like skin, hair, teeth, bone, and neural tissue [1], [3]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Female Genital Tract Disease, pp. 480-481. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1036-1037. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1033-1034.
Question 299: Not a histological marker for choriocarcinoma:
- A. Cytotrophoblast
- B. Villous (Correct Answer)
- C. Syncytiotrophoblast
- D. Bizarre nuclei
Explanation: ***Villous*** - The absence of **chorionic villi** is a key histological feature distinguishing choriocarcinoma from other gestational trophoblastic diseases. - Choriocarcinoma is characterized by the proliferation of **cytotrophoblasts** and **syncytiotrophoblasts** without an organized villous structure. *Cytotrophoblast* - **Cytotrophoblasts** are one of the two main cell types found in choriocarcinoma, forming solid nests or cords [1]. - These cells typically have clear cytoplasm and distinct cell borders [1]. *Syncytiotrophoblast* - **Syncytiotrophoblasts** are also a prominent component of choriocarcinoma, often forming multinucleated giant cells [1]. - These cells are responsible for producing **human chorionic gonadotropin (hCG)**, which is elevated in choriocarcinoma [1]. *Bizarre nuclei* - **Bizarre and pleomorphic nuclei** are characteristic of the highly anaplastic and aggressive nature of choriocarcinoma cells [2]. - This feature reflects the significant **cellular atypia** and rapid proliferation seen in this malignancy [2]. **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. 980-982. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Neoplasia, p. 278.
Question 300: Which of the following testicular tumors is not a germ cell neoplasm?
- A. Yolk sac tumor
- B. Seminoma
- C. Sertoli cell tumor (Correct Answer)
- D. Teratoma
Explanation: ***Sertoli cell tumor*** - Sertoli cell tumors are classified as **sex-cord stromal tumors** [1][2], not germ cell neoplasms, and arise from **Sertoli cells** in the testis. - They are characterized by **hormonally active** properties and may lead to conditions like **gynecomastia** due to estrogen production. *Seminoma* - Seminomas are a type of **germ cell tumor** [2][3], derived from the germ cells in the testes, and typically present with **elevated AFP** and **hCG** levels. - Known for their **slow growth** and better prognosis compared to non-seminomatous germ cell tumors. *Yolk sac tumor* - Also a germ cell neoplasm [3], yolk sac tumors typically produce **alpha-fetoprotein (AFP)**, indicating their germinal origin. - Commonly occur in **younger males** and present as a **rapidly growing** tumor with a poor prognosis if not treated early. *Teratoma* - Teratomas are categorized as germ cell tumors [3] that can contain differentiated tissues and arise from **primitive germ cells**. - They are generally classified as either **mature** or **immature**, with the immature type being more aggressive and occurring primarily in **younger patients**. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Diseases Of The Urinary And Male Genital Tracts, pp. 513-514. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Diseases Of The Urinary And Male Genital Tracts, pp. 510-512. [3] 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.
Practice by Chapter
Diseases of Male Genital Tract
Practice Questions
Testicular Tumors
Practice Questions
Prostate Pathology
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Diseases of Female Genital Tract
Practice Questions
Cervical Pathology and Neoplasia
Practice Questions
Endometrial Pathology
Practice Questions
Ovarian Diseases and Tumors
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Gestational Trophoblastic Disease
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Placental Pathology
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Sexually Transmitted Infections
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