Reproductive Pathology Practice Questions

Q: ER positive status in carcinoma breast indicates?

Prognosis. ***Prognosis*** - **ER positive status** in breast cancer indicates a better prognosis, as these tumors often respond well to hormone therapy [1][2]. - Patients with **ER positive** breast cancer usually have a lower risk of metastasis compared to **ER negative** tumors, making the outcome more favorable [1]. *Site* - ER status does not provide information regarding the **anatomical location** of the breast cancer, as it can be present in different sites of the breast. - It primarily focuses on the **biologic characteristics** of the tumor rather than its site of occurrence [1]. *None* - Selecting 'None' suggests that ER positive status has no relevance, which is incorrect as it is significant for treatment and prognosis [1]. - It is a crucial indicator for deciding on **endocrine therapy**, impacting management strategies in breast cancer patients [1]. *Etiology* - ER positive status does not directly indicate the **cause** of breast cancer, as various genetic and environmental factors contribute to its development. - It mainly reflects tumor behavior and response to therapies, not the **underlying factors** that lead to the disease [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, p. 1056. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, pp. 1064-1066.

Q: Which of the following is the most likely proliferating breast mass?

Fibroadenoma. **Fibroadenoma** - A **fibroadenoma** is a benign **biphasic breast tumor** composed of both glandular and stromal tissue, making it a common proliferating mass [3]. - It is often seen in **young women** and typically presents as a firm, movable, non-tender lump [3]. *Duct ectasia* - **Duct ectasia** is a non-proliferative condition characterized by dilation of the **subareolar ducts**, often with inflammation and fibrosis. - It is more commonly associated with **nipple discharge** and **periductal inflammation** rather than being a primary proliferating mass. *Adenosis* - **Adenosis** refers to an increase in the number of **glands or lobules** within the breast parenchyma, which can be sclerosing or florid [2]. - While it involves increased glandular elements, it is generally considered a **benign proliferative change** and less likely to form a distinct, palpable mass compared to a fibroadenoma [1], [4]. *Papilloma* - A **papilloma** is a benign epithelial proliferation within a **duct**, characterized by a central fibrovascular core [2]. - It commonly presents with **nipple discharge**, often bloody, and is typically a smaller lesion within the ductal system rather than a large, palpable proliferating mass [2]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, pp. 1052-1054. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 446-447. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 448-449. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, p. 1052.

Q: Which of the following germ cell tumors is benign?

Dermoid cyst. ***Seminoma*** - Seminomas are well-known malignant **germ cell tumors**, primarily affecting young males [2]. - They are associated with elevated **human chorionic gonadotropin (hCG)** and can spread to lymph nodes [3]. *Leydig cell tumor* - These tumors are usually **benign** and arise from Leydig cells in the testes. - While they can produce **testosterone**, they do not typically exhibit malignancy. *Sertoli cell tumor* - Sertoli cell tumors are also generally **benign** and arise from Sertoli cells in the testes. - They lack the malignant behavior seen in seminomas and have a low rate of metastasis [1]. *Dermoid cyst* - Dermoid cysts are **benign** mature teratomas, commonly found in the ovaries or testicles. - They can contain different tissue types (like hair, fat, and teeth) but are not malignant. **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. 512-513. [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. 979-980. [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. 980-982.

Q: In which condition are Rokitanski protuberances typically observed?

Teratoma. ***Teratoma*** - **Rokitanski protruberances**, also known as **dermoid plugs**, are characteristic findings in mature cystic teratomas, particularly ovarian dermoid cysts. - These protrusions typically contain various mature tissues derived from **multiple germ layers**, such as hair, teeth, bone, and sebaceous material, as seen in the image. *Mucinous neoplasm* - Mucinous neoplasms are characterized by the production of **mucus** and typically do not contain solid, multi-tissue structures like hair or bone. - They often present as multiloculated cysts filled with **gelatinous material**. *Epidermoid cyst* - An epidermoid cyst is a benign cyst containing **keratinous debris** and lined by stratified squamous epithelium, originating from ectodermal tissue. - It does not contain the diverse tissues (e.g., hair, teeth, bone) found within a Rokitanski protruberance. *Papillary neoplasm* - Papillary neoplasms are characterized by **finger-like projections** or papillae lined by atypical cells, which may be benign or malignant. - These structures are entirely different from the mixed tissue composition of a Rokitanski protruberance.

Q: In which organ are corpora amylacea typically observed in a pathological context?

Prostate. ***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.

Q: In a patient presenting with glistening spots found in the tubal serosa during a pelvic examination, which of the following conditions is most likely responsible?

Walthard cell nests. ***Walthard cell nests*** - **Walthard cell nests** are benign inclusions of transitional epithelium, often found on the **tubal serosa**. - They appear as **glistening, pearly white to yellow spots** due to their squamous metaplasia and mucinous content. *Metastases from ovary* - Ovarian metastases would typically present as **irregular, solid, or cystic lesions** that are unlikely to be described as glistening spots. - They are usually associated with a primary ovarian tumor and may involve significant architectural distortion of the fallopian tube. *Paraovarian cysts* - **Paraovarian cysts** are typically fluid-filled, thin-walled structures adjacent to the ovary and fallopian tube. - They are generally larger and more translucent than "glistening spots" and do not represent epithelial inclusions on the tubal surface itself. *Tubal fibrosis* - **Tubal fibrosis** refers to the thickening and scarring of the fallopian tube, often leading to infertility. - It would appear as a **dense, non-glistening thickening** of the tubal wall or serosa, not as discrete surface spots.

Q: What is the primary reason for infertility in Sertoli cell only syndrome?

The absence of germ cells in this condition.. ***The absence of germ cells in this condition.*** - **Sertoli cell only syndrome** is characterized by the complete or near-complete absence of germ cells in the seminiferous tubules [2]. - Since germ cells are the precursors to spermatozoa, their absence directly results in the inability to produce sperm, leading to **infertility** [1]. *Too many Sertoli cells inhibit spermatogenesis via inhibin* - While Sertoli cells produce **inhibin B**, which negatively regulates FSH, the primary issue in Sertoli cell only syndrome is the lack of germ cells, not an overabundance of Sertoli cells or excessive inhibin production causing inhibition [1]. - The syndrome is defined by the *absence of germ cells*, not by a functional alteration of Sertoli cells due to their quantity. *Proper blood-testis barrier is not established* - The **blood-testis barrier (BTB)** is formed by tight junctions between Sertoli cells and is crucial for creating an immunological barrier for developing germ cells [2]. - While disruptions in BTB integrity can impair spermatogenesis, the primary cause of infertility in Sertoli cell only syndrome is the *absence of the cells that the barrier is meant to protect* (germ cells), rather than a failure of the barrier itself. *Sufficient numbers of spermatozoa are not produced* - This statement is true as a *result* of infertility, but it does not explain the *primary reason* for it. - The lack of spermatozoa is a direct consequence of the **absence of germ cells**, which are necessary precursors for sperm production [1].

Q: Most common type of sarcoma of the breast is?

Angiosarcoma. ***Angiosarcoma*** - **Angiosarcoma** is the most frequent type of primary breast sarcoma, accounting for a significant portion of these rare tumors [1]. - It often arises de novo or as a complication of **radiation therapy** for breast cancer or chronic lymphedema (Stewart-Treves syndrome) [1]. *Kaposi sarcoma* - **Kaposi sarcoma** is a vascular tumor strongly associated with **HIV infection** or other forms of immunosuppression [4]. - While it can affect various organs, including the skin and lymph nodes, primary breast involvement is exceedingly rare and not considered the most common type of breast sarcoma [4]. *Synovial sarcoma* - **Synovial sarcoma** typically originates near large joints in the extremities, especially the lower extremities [3]. - It is a tumor of presumed synovial origin, and its occurrence in the breast is extremely uncommon, making it an unlikely most common type [3]. *Rhabdomyosarcoma* - **Rhabdomyosarcoma** is a malignant tumor of skeletal muscle origin, predominantly affecting children and adolescents in sites like the head and neck, genitourinary tract, or extremities [2]. - Its incidence in the breast is very rare, usually presenting as a metastatic lesion rather than a primary breast sarcoma [2]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of Infancy and Childhood, pp. 527-528. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Bones, Joints, and Soft Tissue Tumors, pp. 1224-1225. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Bones, Joints, and Soft Tissue Tumors, pp. 1225-1226. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of Infancy and Childhood, pp. 526-527.

Q: Which of the following is the strongest predisposing factor for testicular germ cell tumors?

Previous testicular germ cell tumor. ***Previous testicular germ cell tumor*** - A previous diagnosis of a **testicular germ cell tumor** is the strongest risk factor for developing a new, contralateral tumor. - This risk is significantly higher than that associated with other predisposing factors. *Testicular feminization syndrome* - While **gonadal dysgenesis** conditions like **androgen insensitivity syndrome** (sometimes referred to as testicular feminization syndrome) can increase the risk of gonadal tumors, it is not the strongest factor compared to a prior cancer history. - The risk is related to the presence of **undescended testes** or dysgenetic gonads within these syndromes. *Family history of testicular cancer* - A **family history** of testicular cancer does increase the risk, suggesting a genetic predisposition. - However, this risk is generally lower than the risk associated with having already had one testicular germ cell tumor. *Cryptorchidism* - **Cryptorchidism** (undescended testis) is a well-established risk factor for testicular germ cell tumors, with the risk increasing the higher the position of the testis [1], [2]. - Despite this, the risk associated with a history of cryptorchidism is still less potent than having a prior testicular cancer [1]. **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. 508-509. [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. 976-977.

Q: Signet ring cells are characteristically seen in which ovarian tumor?

Krukenberg tumor. ***Krukenberg tumor*** - The **signet ring appearance** is classically associated with Krukenberg tumors, which are metastatic tumors of the ovary often arising from gastric cancer [1]. - These tumors contain **mucin-filled cells** that resemble signet rings when viewed histologically [1]. *Teratoma* - Teratomas contain **multiple cell types** and may have various appearances, but they do not typically exhibit a signet ring configuration [3]. - More characteristic findings include **dermoid cysts** or tissue types from all three embryonic layers [3]. *Granulosa cell tumor* - Granulosa cell tumors are primarily characterized by **hormonal activity**, producing estrogen, and do not display signet ring cells. - Histologically, they are defined by **Call-Exner bodies** and small follicles rather than signet ring morphology. *Dysgerminoma* - Dysgerminomas, a type of germ cell tumor, typically show **solid sheets of uniform cells** without the signet ring feature [2]. - They are more associated with **lymphocytic infiltration** and often elevate serum levels of **LDH** [2]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Gastrointestinal Tract, p. 779. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Female Genital Tract, pp. 1034-1035. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Female Genital Tract Disease, pp. 480-481.

Question 1

ER positive status in carcinoma breast indicates?

Accepted Answer

Prognosis

Answer

Etiology

Answer

Site

Answer

None of the options

Question 2

Which of the following is the most likely proliferating breast mass?

Accepted Answer

Fibroadenoma

Answer

Duct ectasia

Answer

Adenosis

Answer

Papilloma

Question 3

Which of the following germ cell tumors is benign?

Accepted Answer

Dermoid cyst

Answer

Seminoma

Answer

Embryonal carcinoma

Answer

Yolk sac tumor

Question 4

In which condition are Rokitanski protuberances typically observed?

Accepted Answer

Teratoma

Answer

Mucinous neoplasm

Answer

Epidermoid cyst

Answer

Papillary neoplasm

Question 5

In which organ are corpora amylacea typically observed in a pathological context?

Accepted Answer

Prostate

Answer

Thymus

Answer

Lymph node

Answer

Spleen

Question 6

In a patient presenting with glistening spots found in the tubal serosa during a pelvic examination, which of the following conditions is most likely responsible?

Accepted Answer

Walthard cell nests

Answer

Metastases from ovary

Answer

Tubal fibrosis

Answer

Paraovarian cysts

Question 7

What is the primary reason for infertility in Sertoli cell only syndrome?

Accepted Answer

The absence of germ cells in this condition.

Answer

Too many Sertoli cells inhibit spermatogenesis via inhibin

Answer

Proper blood-testis barrier is not established

Answer

Sufficient numbers of spermatozoa are not produced

Question 8

Most common type of sarcoma of the breast is?

Accepted Answer

Angiosarcoma

Answer

Kaposi sarcoma

Answer

Synovial sarcoma

Answer

Rhabdomyosarcoma

Question 9

Which of the following is the strongest predisposing factor for testicular germ cell tumors?

Accepted Answer

Previous testicular germ cell tumor

Answer

Testicular feminization syndrome

Answer

Family history of testicular cancer

Answer

Cryptorchidism

Question 10

Signet ring cells are characteristically seen in which ovarian tumor?

Accepted Answer

Krukenberg tumor

Answer

Dysgerminoma

Answer

Granulosa cell tumor

Answer

Teratoma

Reproductive Pathology — MCQs

Reproductive Pathology — MCQs

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