Gynecological Disorders Practice Questions

Q: Vaginal atresia is associated with all except:

Presence of a cervix. **Explanation:** **Vaginal atresia** is a congenital malformation resulting from the failure of the **urogenital sinus** to form the lower portion of the vagina. It is distinct from Müllerian agenesis (MRKH syndrome). **Why "Presence of a cervix" is the correct answer (the exception):** In vaginal atresia, the upper reproductive tract (uterus, cervix, and upper vagina) is derived from the Müllerian ducts. However, because the lower vaginal development is arrested, there is often associated **Müllerian dysgenesis**. In most clinical cases of isolated vaginal atresia, the **cervix is typically absent or severely hypoplastic**, and the uterus may be rudimentary or absent. Therefore, the presence of a normal cervix is not a characteristic feature. **Analysis of incorrect options:** * **Option A:** This is the definition of the condition. It occurs when the vaginal plate fails to canalize, leading to a lack of development of the lower vagina, replaced by fibrous tissue. * **Option B:** Since the ovaries are derived from germ cells (not the urogenital sinus or Müllerian ducts), they function normally. Estrogen production is intact, leading to **normal secondary sexual characteristics** (Thelarche and Adrenarche). * **Option C:** The external genitalia (clitoris, labia) develop from the genital tubercle and swellings, which are unaffected in this condition. **High-Yield Clinical Pearls for NEET-PG:** * **Presentation:** Primary amenorrhea with cyclic pelvic pain (due to hematometra if a functional uterus exists). * **Vaginal Atresia vs. Imperforate Hymen:** In atresia, there is no bulging "blue membrane" on provocation; instead, a dimple or shallow pouch is seen. * **Embryology:** Lower 1/3 of the vagina comes from the **urogenital sinus**; upper 2/3 comes from **Müllerian ducts**. * **Management:** Surgical reconstruction (Vaginoplasty) is the treatment of choice.

Q: CA-125 levels are elevated in which of the following conditions?

Both Endometriosis and Adenomyosis. **Explanation:** CA-125 (Cancer Antigen 125) is a high-molecular-weight glycoprotein produced by derivatives of the **coelomic epithelium**, which includes the lining of the fallopian tubes, endometrium, and endocervix, as well as the pleura and peritoneum. **Why Option C is Correct:** CA-125 is not a specific marker for ovarian cancer; rather, it is a marker of **peritoneal irritation** and endometrial activity. * **Endometriosis:** The presence of ectopic endometrial tissue leads to chronic inflammation and irritation of the peritoneum, causing significant elevations in CA-125 levels. * **Adenomyosis:** Since the endometrial stroma and glands invade the myometrium, the increased surface area of endometrial tissue and associated inflammatory response also result in elevated serum CA-125. **Analysis of Incorrect Options:** * **Options A and B:** While CA-125 is elevated in both conditions individually, selecting only one would be incomplete. In clinical practice and NEET-PG patterns, when both conditions share a common biochemical marker, the "Both" option is the most accurate. **High-Yield Clinical Pearls for NEET-PG:** * **Normal Range:** < 35 U/mL. * **Physiological Elevations:** Menstruation (first few days), early pregnancy, and the postpartum period. * **Benign Pathological Elevations:** Pelvic Inflammatory Disease (PID), uterine fibroids, cirrhosis with ascites, and pleuritis. * **Malignant Elevations:** Most notably **Epithelial Ovarian Tumors** (especially Serous Cystadenocarcinoma). It is less reliable in mucinous tumors. * **Clinical Utility:** CA-125 is best used for **monitoring treatment response** and detecting recurrence in ovarian cancer, rather than as a primary screening tool in the general population due to its low specificity.

Q: A fibroid uterus may present with all of the following except?

Amenorrhoea. **Explanation:** **Why Amenorrhoea is the Correct Answer:** Amenorrhoea (absence of menstruation) is **not** a clinical feature of uterine fibroids (leiomyomas). In fact, fibroids are typically associated with an *increase* in menstrual flow. The primary mechanism involves an increased endometrial surface area, congestion of perimyometrial veins, and interference with uterine contractility. Therefore, if a patient with a known fibroid presents with amenorrhoea, the most likely cause is a coexisting pregnancy or secondary pathology, rather than the fibroid itself. **Analysis of Incorrect Options:** * **Pelvic Mass:** Large intramural or subserosal fibroids often present as a firm, non-tender, irregular mass arising from the pelvis. This is a classic presentation in asymptomatic or large-volume cases. * **Infertility:** Fibroids can cause infertility by distorting the uterine cavity (submucosal), obstructing the fallopian tubes (cornual), or causing dysfunctional uterine contractions that prevent implantation. * **Polymenorrhoea:** Fibroids frequently cause various patterns of Abnormal Uterine Bleeding (AUB). While **Menorrhagia** (heavy cyclic bleeding) is the most common symptom, **Polymenorrhoea** (frequent cycles) and Metrorrhagia (irregular bleeding) can occur due to endometrial hyperplasia or venous stasis. **High-Yield Clinical Pearls for NEET-PG:** * **Most common symptom:** Menorrhagia (Heavy Menstrual Bleeding). * **Most common site:** Intramural (within the muscle wall). * **Most symptomatic type:** Submucosal (even small ones cause significant bleeding/infertility). * **Degeneration during pregnancy:** Red degeneration (due to rapid growth and ischemia). * **Most common degeneration:** Hyaline degeneration. * **Medical Management:** GnRH agonists (to shrink size pre-operatively) or Ulipristal acetate.

Q: What is the investigation of choice for Asherman syndrome?

Hysteroscopy. **Explanation:** **Asherman Syndrome** is characterized by the presence of intrauterine adhesions (synechiae), most commonly occurring after over-vigorous curettage following a miscarriage or postpartum hemorrhage. **Why Hysteroscopy is the Correct Answer:** Hysteroscopy is the **Gold Standard** and the investigation of choice for Asherman syndrome. It allows for direct visualization of the uterine cavity, enabling the clinician to assess the location, extent, and severity of the adhesions. Crucially, it serves both a **diagnostic and therapeutic** purpose, as adhesiolysis (resection of the scars) can be performed during the same procedure. **Why Other Options are Incorrect:** * **Hysterosalpingography (HSG):** While HSG is often the *initial* screening test, it is not the investigation of choice. It shows "filling defects" but cannot distinguish between adhesions, polyps, or fibroids, and carries a risk of false positives due to air bubbles or mucus. * **Ultrasound (USG):** Routine USG is insensitive for detecting fine adhesions. While Saline Infusion Sonography (SIS) is better than a standard USG, it still lacks the diagnostic precision and therapeutic capability of hysteroscopy. * **Laparoscopy:** This visualizes the exterior of the uterus and the pelvic cavity. It cannot see inside the uterine lumen where Asherman syndrome occurs. However, it may be used concurrently with hysteroscopy to prevent uterine perforation during difficult adhesiolysis. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause:** Post-traumatic (D&C) following pregnancy. * **Clinical Presentation:** Secondary amenorrhea or hypomenorrhea and infertility. * **HSG Finding:** Characteristic "honeycomb appearance" or irregular filling defects. * **Classification:** Often graded using the **March classification** or the **American Fertility Society (AFS)** score based on hysteroscopic findings.

Q: A girl presents with a cystic swelling at the junction of the lower one-third and upper two-thirds of the anterior vaginal wall at the 10 o'clock position. What is the most likely diagnosis?

Gartner's duct cyst. ### Explanation **Correct Answer: B. Gartner’s duct cyst** **Reasoning:** Gartner’s duct cysts are embryological remnants of the **Wolffian (mesonephric) duct**. In females, these ducts normally regress; however, if a portion persists, it can become cystic. These cysts are characteristically located in the **anterolateral wall** of the vagina, typically in the **upper two-thirds**. The description of a swelling at the 10 o'clock (or 2 o'clock) position on the anterior vaginal wall is a classic clinical presentation for a Gartner’s duct cyst. **Why other options are incorrect:** * **A. Bartholin’s cyst:** These occur due to obstruction of the Bartholin gland duct. They are located in the **posterior third** of the labia majora (vulva), near the 4 or 8 o'clock position, not the anterior vaginal wall. * **C. Adenocarcinoma:** While clear cell adenocarcinoma can occur in the vagina (often linked to DES exposure), it typically presents as a solid, friable mass with bleeding in older patients, rather than a simple cystic swelling in a young girl. * **D. Vaginal inclusion cyst:** These are the most common vaginal cysts, but they usually occur in the **posterior or lateral wall of the lower vagina** and are typically secondary to birth trauma or episiotomy scars. **High-Yield Clinical Pearls for NEET-PG:** * **Origin:** Gartner’s duct = Mesonephric/Wolffian remnant; Paramesonephric duct = Müllerian duct. * **Association:** Gartner’s duct cysts are sometimes associated with **congenital renal anomalies** (e.g., renal agenesis or ectopic ureter) because the ureteric bud develops from the Wolffian duct. * **Differential Diagnosis:** Always differentiate from a **Urethral Diverticulum**, which is also anterior but usually associated with the "3 Ds": Dysuria, Dribbling, and Dyspareunia. * **Treatment:** Usually asymptomatic and requires no treatment; surgical excision is reserved for symptomatic cases.

Q: What effect does smoking have on the formation of uterine leiomyoma?

Lowers the risk of leiomyoma formation.. **Explanation:** The correct answer is **B. Lowers the risk of leiomyoma formation.** **Mechanism of Action:** Uterine leiomyomas (fibroids) are **estrogen-dependent tumors**. Smoking has a well-documented **anti-estrogenic effect** on the female body. It induces the hepatic cytochrome P450 system (specifically CYP1A2), which shifts the metabolism of estradiol toward the production of 2-hydroxyestrone—a catechol estrogen with minimal biological activity. Additionally, smoking decreases body fat (reducing peripheral conversion of androgens to estrogen) and may lower levels of sex hormone-binding globulin (SHBG). This overall reduction in bioavailable estrogen leads to a decreased risk of developing fibroids in smokers. **Analysis of Incorrect Options:** * **Option A:** Incorrect. While smoking increases the risk of many pathologies (e.g., cervical cancer, cardiovascular disease), it paradoxically decreases the risk of estrogen-dependent conditions like fibroids and endometrial cancer. * **Option C:** Incorrect. Epidemiological studies consistently show a significant inverse relationship between cigarette smoking and the prevalence of leiomyomas. * **Option D:** Incorrect. Fibroids typically regress after menopause due to the natural decline in estrogen. Smoking does not increase risk in this group; rather, it is associated with an earlier onset of menopause. **High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors for Fibroids:** Early menarche, nulliparity, obesity (due to increased peripheral estrogen), and African-American race. * **Protective Factors:** Smoking, multiparity, and late menarche. * **The "Smoker’s Paradox":** Smoking decreases the risk of **Endometrial Cancer** and **Uterine Fibroids**, but significantly increases the risk of **Cervical Cancer** (due to local immunosuppression and nicotine accumulation in cervical mucus).

Question 1

Vaginal atresia is associated with all except:

Accepted Answer

Presence of a cervix

Answer

Lack of development of the lower part of the vagina

Answer

Normal secondary sexual characteristics

Answer

Normal female external genitalia

Question 2

CA-125 levels are elevated in which of the following conditions?

Accepted Answer

Both Endometriosis and Adenomyosis

Answer

Endometriosis

Answer

Adenomyosis

Answer

None of the above

Question 3

A fibroid uterus may present with all of the following except?

Accepted Answer

Amenorrhoea

Answer

Pelvic mass

Answer

Infertility

Answer

Polymenorrhoea

Question 4

During dilatation and curettage, if the uterine fundus is perforated, what is the most appropriate management?

Accepted Answer

Abdominal exploration

Answer

Observation

Answer

Hysterectomy

Answer

Uterine artery embolization

Question 5

What is the investigation of choice for Asherman syndrome?

Accepted Answer

Hysteroscopy

Answer

Ultrasound (USG)

Answer

Hysterosalpingography (HSG)

Answer

Laparoscopy

Question 6

What is the first-line therapy in women with adenomyosis who wish to preserve fertility?

Accepted Answer

Levonorgestrel-containing intrauterine device

Answer

Combined oral contraceptive pills

Answer

Ulipristal acetate

Answer

Hysterectomy

Question 7

A girl presents with a cystic swelling at the junction of the lower one-third and upper two-thirds of the anterior vaginal wall at the 10 o'clock position. What is the most likely diagnosis?

Accepted Answer

Gartner's duct cyst

Answer

Bartholin's cyst

Answer

Adenocarcinoma

Answer

Vaginal inclusion cyst

Question 8

What effect does smoking have on the formation of uterine leiomyoma?

Accepted Answer

Lowers the risk of leiomyoma formation.

Answer

Increases the risk of fibroid uterus.

Answer

No change in risk compared to the general population.

Answer

Increases the risk of fibroid uterus specifically in postmenopausal women.

Question 9

Which uterine malformation is most commonly associated with renal anomalies?

Accepted Answer

Unicornuate

Answer

Bicornuate

Answer

Septate

Answer

Didelphys

Question 10

What is the primary treatment for endometriosis in a younger age group?

Accepted Answer

Progestin therapy

Answer

Danazol

Answer

Gonadotropin-releasing hormone (GnRH) analogues

Answer

Hysterectomy with bilateral oophorectomy

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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