Gynecological Disorders — MCQs

Gynecological Disorders Indian Medical PG Practice Questions and MCQs

Question 341: All of the following may be associated with a uterine fibroid except?

A. Pseudo-Meig's syndrome
B. Polycythemia
C. Amenorrhea (Correct Answer)
D. Dysmenorrhea

Explanation: **Explanation:** Uterine fibroids (leiomyomas) are benign smooth muscle tumors of the uterus. The correct answer is **Amenorrhea** because fibroids are typically associated with **increased** menstrual bleeding (menorrhagia) rather than the absence of menstruation. **1. Why Amenorrhea is the correct answer:** Fibroids increase the surface area of the endometrium, interfere with uterine contractility, and cause venous congestion. This leads to **heavy menstrual bleeding (menorrhagia)** or irregular bleeding (metrorrhagia). Amenorrhea is not a feature of fibroids unless they are associated with pregnancy or severe secondary anemia (rare). **2. Analysis of Incorrect Options:** * **Pseudo-Meig’s Syndrome:** This is a triad of benign ovarian tumors (other than fibroma), pleural effusion, and ascites. Large subserosal pedunculated fibroids can occasionally cause this syndrome, making it a known association. * **Polycythemia:** Rare "myomatous erythrocytosis" can occur due to the ectopic production of **Erythropoietin (EPO)** by the fibroid tissue itself. * **Dysmenorrhea:** Fibroids commonly cause **congestive dysmenorrhea** due to pelvic congestion or **spasmodic dysmenorrhea** if the uterus attempts to expel a submucosal fibroid (acting like a foreign body). **Clinical Pearls for NEET-PG:** * **Most common symptom:** Menorrhagia (Heavy Menstrual Bleeding). * **Most common type:** Intramural fibroid. * **Most symptomatic type:** Submucosal fibroid (causes infertility and heavy bleeding). * **Red Degeneration:** Most common during pregnancy (occurs in the 2nd trimester due to rapid growth and ischemia). * **Hyaline Degeneration:** The most common overall type of degeneration.

Question 342: Misoprostol is indicated in all of the following conditions except:

A. Postpartum hemorrhage
B. Missed abortion
C. Induction of labor
D. Menorrhagia (Correct Answer)

Explanation: **Explanation:** Misoprostol is a synthetic **Prostaglandin E1 (PGE1) analogue**. Its primary mechanism of action involves stimulating uterine contractions (oxytocic effect) and causing cervical ripening. **Why Menorrhagia is the correct answer:** Menorrhagia (heavy menstrual bleeding) is primarily managed by reducing menstrual blood flow through antifibrinolytics (Tranexamic acid), NSAIDs, or hormonal therapy (OCPs, Progestogens, or the Levonorgestrel-releasing intrauterine system). Misoprostol causes uterine contractions but does not effectively reduce the volume of menstrual blood loss; therefore, it has **no clinical indication** in the management of menorrhagia. **Analysis of other options:** * **Postpartum Hemorrhage (PPH):** Misoprostol (600–800 mcg) is used for both prevention and treatment of PPH due to uterine atony, as it promotes sustained uterine contractions. * **Missed Abortion:** It is used to facilitate the expulsion of products of conception by softening the cervix and inducing contractions. * **Induction of Labor:** Low-dose Misoprostol (25 mcg) is a standard agent for cervical ripening and labor induction in patients with an unfavorable Bishop score. **High-Yield Clinical Pearls for NEET-PG:** * **Route of Administration:** Misoprostol can be given orally, sublingually, vaginally, or rectally. Sublingual has the fastest onset, while vaginal has the longest duration of action. * **Side Effects:** The most common side effects are **shivering and pyrexia** (fever). * **Contraindication:** It should be avoided for induction of labor in women with a previous cesarean section due to the increased risk of **uterine rupture**. * **Other Uses:** It is also used for medical termination of pregnancy (MTP) in combination with Mifepristone and for the prevention of NSAID-induced gastric ulcers.

Question 343: Which of the following surgical techniques for genitourinary fistula repair involves total excision of the fistulous tract?

A. Partial excision of fistula.
B. Total excision of fistulous tract. (Correct Answer)
C. Shortening of vagina.
D. Approximates anterior and posterior vaginal walls.

Explanation: ### Explanation The surgical management of genitourinary fistulae (most commonly Vesicovaginal Fistula - VVF) aims to achieve a tension-free, watertight closure with well-vascularized tissue. **Correct Option: B. Total excision of fistulous tract** This technique, often associated with the **classic abdominal approach (O'Conor’s repair)**, involves the complete excision of the fibrotic fistulous tract. By removing the scarred edges until healthy, bleeding tissue is reached, the surgeon ensures optimal healing. The bladder and vagina are then closed in multiple layers, often with an interposition flap (like the Martius flap or omental flap) to prevent recurrence. **Analysis of Incorrect Options:** * **A. Partial excision:** This is characteristic of the **Latzko procedure** (a vaginal approach). In this technique, the fistula tract is *not* excised; instead, the vaginal mucosa around the fistula is denuded, and the layers are imbricated. It is highly successful for post-hysterectomy VVFs. * **C & D. Shortening of vagina / Approximating walls:** These are potential *complications* or side effects of certain repairs (like the Latzko procedure, which can slightly shorten the vaginal vault) rather than the intended surgical technique for tract management. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause of VVF:** Globally, it is **obstructed labor**; in developed nations/urban centers, it is **iatrogenic (post-total abdominal hysterectomy)**. * **Gold Standard Investigation:** **Cystoscopy** to locate the fistula in relation to the ureteric orifices. * **Diagnostic Test:** **Three-swab test** (Methylene blue instilled in the bladder; if the top swab is blue, it confirms VVF). * **Timing of Repair:** Traditionally 3–6 months after the injury to allow inflammation to subside, though "early repair" is now gaining favor in non-radiated cases.

Question 344: What is the most likely cause of heavy menstrual bleeding in patients with uterine fibroids?

A. Hormonal imbalance
B. Dilated endometrial venules (Correct Answer)
C. Ruptured fibroids
D. Torsion of fibroids

Explanation: **Explanation:** The primary mechanism for heavy menstrual bleeding (HMB) in patients with uterine fibroids (leiomyomas) is the **distortion and congestion of the overlying endometrial vasculature**. **1. Why "Dilated endometrial venules" is correct:** Fibroids increase the total surface area of the endometrium and exert pressure on the surrounding myometrial veins. This compression leads to venous stasis and the formation of **dilated, thin-walled endometrial venules** (ectasia) directly over the fibroid. During menstruation, as the functional layer of the endometrium sheds, these fragile, engorged vessels rupture, leading to significant blood loss that exceeds the normal hemostatic capacity of the uterus. Additionally, fibroids interfere with normal myometrial contractility, preventing the "physiologic ligatures" from effectively constricting vessels. **2. Why other options are incorrect:** * **Hormonal imbalance:** While fibroids are estrogen-dependent, HMB in these patients is primarily a structural and vascular issue rather than a primary hormonal dysfunction (like AUB-O). * **Ruptured fibroids:** This is an extremely rare clinical event, usually associated with pregnancy or trauma, and presents as an acute abdomen/hemoperitoneum, not cyclic HMB. * **Torsion of fibroids:** This occurs only in pedunculated subserosal fibroids. It causes acute pelvic pain and necrosis, not heavy menstrual bleeding. **High-Yield Clinical Pearls for NEET-PG:** * **Submucosal fibroids** (FIGO Type 0, 1, 2) are the most common type to cause HMB due to direct endometrial distortion. * **Most common symptom** of fibroids: Heavy Menstrual Bleeding (Menorrhagia). * **Most common site:** Intramural. * **Gold Standard Investigation:** Transvaginal Ultrasound (TVS); Saline Infusion Sonohysterography (SIS) is superior for evaluating submucosal types.

Question 345: Which of the following malignancies is not found to have an increased risk in women with endometriosis?

A. Ovarian cancers
B. Melanoma
C. Non-Hodgkin's lymphoma
D. Endometrial cancer (Correct Answer)

Explanation: **Explanation:** Endometriosis is a chronic inflammatory condition characterized by the presence of endometrial-like tissue outside the uterus. While it is a benign disease, it shares several characteristics with malignancy (local invasion, distant metastasis, and estrogen dependence) and is associated with an increased risk of specific cancers. **Why Endometrial Cancer is the Correct Answer:** Counter-intuitively, **endometrial cancer** is not significantly associated with endometriosis. While both conditions are estrogen-dependent, the chronic inflammatory environment and genetic mutations (like *ARID1A* or *PIK3CA*) found in endometriosis specifically predispose to ovarian transformations rather than uterine ones. In fact, some studies suggest a potential protective effect or no correlation at all. **Analysis of Incorrect Options:** * **Ovarian Cancers:** This is the strongest association. Endometriosis increases the risk of **Clear Cell Carcinoma** and **Endometrioid Ovarian Cancer** (collectively known as Endometriosis-Associated Ovarian Cancers or EAOC). The risk of serous or mucinous types is not significantly increased. * **Melanoma:** Large epidemiological studies (including the Nurses' Health Study II) have shown a statistically significant link between endometriosis and an increased risk of cutaneous melanoma, possibly due to shared genetic pathways or immune dysregulation. * **Non-Hodgkin’s Lymphoma (NHL):** Chronic immune activation and inflammation in endometriosis are thought to increase the risk of certain hematologic malignancies, particularly NHL. **High-Yield Clinical Pearls for NEET-PG:** 1. **EAOC Link:** The most common histological subtype associated with endometriosis is **Clear Cell Carcinoma**. 2. **Sampson’s Criteria:** Used to identify Ovarian Carcinoma arising from endometriosis (requires demonstration of both cancer and endometriosis in the same ovary). 3. **Malignant Transformation:** Occurs in approximately 0.7–1% of endometriosis cases. 4. **Common Sites:** The ovary is the most common site for malignant transformation (>75% of cases).

Question 346: A 16-year-old female presents with primary amenorrhea. Examination shows a short, blind vagina with an absent uterus. What is the next investigation of choice?

A. Karyotyping (Correct Answer)
B. Intravenous pyelogram (IVP)
C. Gonadotropin levels
D. Serum prolactin

Explanation: ### Explanation The clinical presentation of primary amenorrhea with a short, blind vagina and an absent uterus points toward two primary differential diagnoses: **Müllerian Agenesis (Mayer-Rokitansky-Küster-Hauser syndrome)** and **Androgen Insensitivity Syndrome (AIS)**. **1. Why Karyotyping is the Correct Choice:** Karyotyping is the definitive next step to differentiate between these two conditions, as their management protocols differ significantly: * **Müllerian Agenesis:** Karyotype is **46, XX**. Ovaries are functional; hence, secondary sexual characteristics (breast development) are normal. * **Complete AIS:** Karyotype is **46, XY**. The patient has undescended testes. While breast development occurs (due to peripheral conversion of testosterone to estrogen), there is a high risk of malignancy (gonadoblastoma/dysgerminoma) in the intra-abdominal testes, necessitating a gonadectomy after puberty. **2. Why Other Options are Incorrect:** * **Intravenous Pyelogram (IVP):** While renal anomalies are common in Müllerian Agenesis (up to 30-40%), an IVP or Renal Ultrasound is performed *after* the diagnosis is established, not as the primary differentiating investigation. * **Gonadotropin levels (FSH/LH):** These are typically used to differentiate between hypergonadotropic (ovarian failure) and hypogonadotropic (pituitary/hypothalamic) hypogonadism. In both MRKH and AIS, these levels do not provide the definitive diagnosis. * **Serum Prolactin:** This is used to rule out hyperprolactinemia as a cause of amenorrhea, which is irrelevant when there is a structural absence of the uterus. **Clinical Pearls for NEET-PG:** * **MRKH Syndrome:** 46,XX; Normal ovaries; Normal pubic/axillary hair; Associated with renal and skeletal (VACTERL) anomalies. * **Complete AIS:** 46,XY; Absent/Scant pubic and axillary hair (due to androgen resistance); Testes present (usually inguinal or intra-abdominal). * **First-line Imaging:** Pelvic Ultrasound is usually the initial step to confirm the absence of the uterus, followed by Karyotyping for definitive diagnosis.

Question 347: The normal bacterial flora in the vagina makes its environment:

A. Acidic (Correct Answer)
B. Alkaline
C. Neutral
D. Does not affect the environment

Explanation: **Explanation:** The vaginal environment in a healthy, reproductive-age woman is naturally **acidic**, typically maintaining a pH between **3.8 and 4.5**. This acidity is primarily maintained by **Döderlein’s bacilli** (Lactobacillus species). These bacteria utilize glycogen—stored in the vaginal squamous epithelium under the influence of estrogen—and convert it into **lactic acid**. This acidic environment serves as a critical innate immune mechanism, inhibiting the overgrowth of pathogenic bacteria and fungi. **Analysis of Options:** * **Option A (Correct):** Acidic. The production of lactic acid by Lactobacilli ensures a low pH, which is the physiological norm during reproductive years. * **Option B (Incorrect):** Alkaline. An alkaline pH (>4.5) is pathological in reproductive-age women and is often seen in conditions like Bacterial Vaginosis (BV) or Trichomoniasis. * **Option C (Incorrect):** Neutral. A neutral pH (around 7.0) is typically found in prepubertal girls and postmenopausal women due to low estrogen levels and a lack of glycogen/Lactobacilli. * **Option D (Incorrect):** The flora is the primary determinant of the vaginal pH; therefore, it significantly affects the environment. **High-Yield Clinical Pearls for NEET-PG:** * **Estrogen Connection:** High estrogen (reproductive age) = High glycogen = More Lactobacilli = **Acidic pH**. * **Life Cycle Changes:** The vaginal pH is alkaline/neutral at birth (due to maternal estrogens), becomes neutral during childhood, stays acidic during reproductive years, and returns to neutral/alkaline after menopause. * **Amniotic Fluid:** In cases of Premature Rupture of Membranes (PROM), the vaginal pH shifts from acidic to **alkaline** (pH 7.0–7.5), which is the basis for the Nitrazine paper test.

Question 348: Which of the following is considered a premalignant lesion of the vulva?

A. Kraurosis
B. Leukoplakia (Correct Answer)
C. Condyloma acuminata
D. Localized scleroderma

Explanation: **Explanation:** **Leukoplakia** is a clinical term describing a "white patch" on the vulvar mucosa that cannot be scraped off. In the context of the vulva, it often represents **Vulvar Intraepithelial Neoplasia (VIN)** or hyperplastic dystrophy. Histologically, these lesions show cellular atypia, increased mitotic activity, and loss of polarity, making them significant **premalignant precursors** to squamous cell carcinoma of the vulva. **Analysis of Options:** * **Kraurosis (Option A):** This is an older clinical term describing the progressive atrophy, shriveling, and stenosis of the vulvar tissues (often seen in Lichen Sclerosus). While Lichen Sclerosus has a small associated risk of malignancy (approx. 3-5%), the term "Kraurosis" refers to the physical state of atrophy rather than a specific premalignant pathological lesion. * **Condyloma Acuminata (Option C):** These are genital warts caused by **HPV types 6 and 11** (low-risk types). While they are sexually transmitted, they are generally considered benign and do not typically progress to malignancy. (Note: High-risk HPV 16 and 18 are associated with VIN/Malignancy). * **Localized Scleroderma (Option D):** Also known as Morphea, this is a connective tissue disorder characterized by skin thickening. It is an inflammatory/autoimmune condition and is not considered a precursor to vulvar cancer. **High-Yield Clinical Pearls for NEET-PG:** * **VIN Classification:** Divided into **uVIN** (usual type, HPV-related, seen in younger women) and **dVIN** (differentiated type, non-HPV related, associated with Lichen Sclerosus, seen in older women). * **dVIN** has a higher potential for rapid progression to invasive squamous cell carcinoma compared to uVIN. * **Management:** Any suspicious "leukoplakic" or pigmented vulvar lesion must undergo a **Punch Biopsy** (using a Keyes punch) to rule out malignancy.

Question 349: Le Fort's operation is indicated for which of the following conditions?

A. Young women desirous of child bearing
B. Old post-menopausal women (Correct Answer)
C. Post-traumatic prolapse
D. None of the above

Explanation: **Explanation:** **Le Fort’s Operation** (also known as Partial Colpocleisis) is a "destructive" or obliterative surgical procedure used to treat **Pelvic Organ Prolapse (POP)**. **1. Why Option B is Correct:** The procedure involves denuding the anterior and posterior vaginal walls and suturing them together, effectively closing the vaginal canal to provide support for the prolapsed uterus. Because this procedure **obliterates the vagina**, it results in the loss of coital function. Therefore, it is strictly indicated for **elderly, post-menopausal women** who are no longer sexually active and are poor surgical candidates for more extensive procedures (like vaginal hysterectomy) due to medical comorbidities. **2. Why Other Options are Incorrect:** * **Option A:** It is contraindicated in young women or those desiring childbearing because it prevents sexual intercourse and makes vaginal delivery impossible. * **Option C:** Post-traumatic prolapse is rare and usually requires reconstructive surgery to restore anatomy, not an obliterative procedure that destroys vaginal function. **3. High-Yield Clinical Pearls for NEET-PG:** * **Prerequisites:** Before performing Le Fort’s, a **Pap smear** and **Endometrial biopsy** (if bleeding is present) must be done to rule out malignancy, as the cervix and uterus become inaccessible post-surgery. * **Key Feature:** Lateral channels (canals of Malpas) are left on both sides to allow for the drainage of cervical and uterine secretions. * **Advantage:** It can be performed quickly under local anesthesia or sedation, making it ideal for the frail elderly. * **Contraindication:** It should not be performed if there is a suspicion of uterine/cervical cancer or if the patient wishes to remain sexually active.

Question 350: Which drug is known to reduce the size of uterine fibroids?

A. Danazol (Correct Answer)
B. Progesterone
C. Mifepristone (RU-486)
D. Estrogen

Explanation: **Explanation:** Uterine fibroids (leiomyomas) are estrogen-dependent tumors. Therefore, medical management focuses on creating a hypoestrogenic environment to induce tumor shrinkage. **Why Danazol is correct:** Danazol is a synthetic androgen and a derivative of ethisterone. It acts by inhibiting the pituitary-ovarian axis (suppressing GnRH and gonadotropins) and directly inhibiting steroidogenic enzymes in the ovary. This results in a **high-androgen, low-estrogen state**, which leads to the atrophy of the endometrium and a significant reduction in the size of uterine fibroids. It is often used preoperatively to reduce tumor volume and blood loss. **Analysis of Incorrect Options:** * **Progesterone:** While some progestins are used to control bleeding (menorrhagia) associated with fibroids, they do not consistently reduce the size of the fibroid. In fact, progesterone can sometimes promote fibroid growth as it stimulates mitotic activity in the myometrium. * **Mifepristone (RU-486):** Although research shows that Selective Progesterone Receptor Modulators (SPRMs) like Mifepristone can reduce fibroid size, **Danazol** remains the classic textbook answer for this specific pharmacological mechanism in standard NEET-PG curricula. * **Estrogen:** Estrogen is the primary fuel for fibroid growth. Administering estrogen would likely increase the size of the fibroids and worsen symptoms. **NEET-PG High-Yield Pearls:** * **GnRH Agonists (e.g., Leuprolide):** These are the **most effective** drugs for reducing fibroid size (up to 50% reduction) by creating a temporary "pseudomenopause." * **Ulipristal Acetate:** A newer SPRM used specifically for preoperative shrinkage of fibroids. * **Definitive Treatment:** Hysterectomy remains the definitive treatment, while Myomectomy is the treatment of choice for women wishing to preserve fertility.

Practice by Chapter

Abnormal Uterine Bleeding

Practice Questions

Endometriosis

Practice Questions

Adenomyosis

Practice Questions

Uterine Fibroids

Practice Questions

Ovarian Cysts

Practice Questions

Pelvic Inflammatory Disease

Practice Questions

Vulvovaginitis

Practice Questions

Pelvic Organ Prolapse

Practice Questions

Vulvar Disorders

Practice Questions

Benign Breast Diseases

Practice Questions

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