Gynecological Disorders Practice Questions

Q: Which surgical procedure is associated with the highest incidence of ureteric injury?

Wertheim's hysterectomy. **Explanation:** The ureter is one of the most vulnerable structures in pelvic surgery due to its close anatomical proximity to the uterus and its blood supply. **Why Wertheim’s Hysterectomy is the Correct Answer:** Wertheim’s (Radical) Hysterectomy, performed for cervical cancer, carries the highest risk of ureteric injury (up to 2-5%). This is because the procedure requires extensive dissection of the **"Ureteric Tunnel"** (within the cardinal ligament) to mobilize the ureter away from the cervix and upper vagina. The risk is twofold: direct mechanical trauma (crushing or cutting) and **ischemic injury** caused by the stripping of the ureteric sheath, which compromises its delicate blood supply. **Analysis of Incorrect Options:** * **Abdominal Hysterectomy:** While this is the most common procedure associated with ureteric injury in absolute numbers (due to the high volume of surgeries performed), the *incidence rate* per procedure is lower than in radical surgery. * **Vaginal Hysterectomy:** The risk is generally lower as the ureters are displaced laterally during the descent of the uterus, though injury can occur during the clamping of the uterine arteries. * **Adnexectomy:** Injury typically occurs at the pelvic brim during the ligation of the **Infundibulopelvic ligament**, but the overall incidence is lower than in radical hysterectomy. **NEET-PG High-Yield Pearls:** * **Most common site of injury:** At the level of the **Ischial spine**, where the ureter passes under the uterine artery ("Water under the bridge"). * **Most common cause of ureteric fistula:** Ischemic necrosis following radical surgery (usually presents 7-14 days post-op). * **Gold standard for diagnosis:** Intravenous Pyelogram (IVP) or CT Urogram. * **Prevention:** Intraoperative identification and visualization of the ureter are the best ways to prevent injury.

Q: What is the most common cause of hematocolpos?

Imperforate hymen. **Explanation:** **Hematocolpos** refers to the accumulation of menstrual blood within the vagina, typically occurring after menarche due to an anatomical obstruction in the female genital tract. **Why Imperforate Hymen is Correct:** The **imperforate hymen** is the most common obstructive anomaly of the female genital tract. It results from the failure of the central part of the hymen to canalize during fetal development. At puberty, menstrual blood cannot escape, leading to vaginal distension (hematocolpos). If left untreated, the backup of blood can extend to the uterus (hematometra) and fallopian tubes (hematosalpinx). **Analysis of Incorrect Options:** * **Cervical atresia:** This is a rare congenital anomaly where the cervix fails to develop. While it causes hematometra (blood in the uterus), it does not typically cause hematocolpos because the vagina remains empty. * **Vaginal atresia:** This involves the failure of the lower portion of the vagina to develop. While it can cause hematocolpos in the upper vaginal segment, it is significantly less common than an imperforate hymen. * **Transverse vaginal septum:** This occurs due to a failure of fusion or canalization between the urogenital sinus and Müllerian ducts. While it is a recognized cause of outflow obstruction, its incidence is lower than that of an imperforate hymen. **Clinical Pearls for NEET-PG:** * **Classic Presentation:** A pubertal girl presenting with **primary amenorrhea** and **cyclic pelvic pain**. * **Physical Exam:** A bulging, **bluish membrane** at the introitus (due to the underlying dark blood). * **Rectal Exam:** A palpable, tense cystic mass in the vagina. * **Treatment:** Cruciate incision or hymenotomy to drain the accumulated blood.

Q: What hormonal change is seen in dysfunctional uterine bleeding (DUB)?

Increased estrogen. **Explanation:** **Dysfunctional Uterine Bleeding (DUB)**, now more commonly classified under the **PALM-COEIN** criteria as AUB-O (Ovulatory Dysfunction), is most frequently caused by **anovulation**. **Why Option A is Correct:** In an anovulatory cycle, a corpus luteum is not formed, leading to a **deficiency of progesterone**. In the absence of progesterone to counteract it, there is **unopposed estrogen** action on the endometrium. This leads to continuous endometrial proliferation. Eventually, the endometrium outgrows its blood supply or lacks structural support, leading to asynchronous breakdown and heavy, irregular bleeding (estrogen breakthrough bleeding). Therefore, a relative or absolute **increase in estrogen** (unopposed) is the hallmark. **Why Other Options are Incorrect:** * **B & C:** DUB is primarily a hormonal signaling issue rather than a primary pathology of receptor density. While receptors fluctuate during the cycle, the clinical manifestation of DUB is driven by the hormonal milieu (estrogen/progesterone ratio) rather than a decrease in receptors. * **D:** While the HPO (Hypothalamic-Pituitary-Ovarian) axis is involved, "Pituitary imbalance" is too vague. The specific pathophysiology is the failure of the LH surge and subsequent lack of progesterone, not a generalized pituitary disorder. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause of DUB:** Anovulation (90% of cases). * **Age Distribution:** Most common at extremes of reproductive life (Adolescence and Perimenopause). * **Histology:** The classic finding in DUB is **Endometrial Hyperplasia** or a proliferative endometrium during the secretory phase of the cycle. * **Treatment of Choice:** For acute heavy bleeding, high-dose estrogen or OCPs; for long-term management, **Levonorgestrel-releasing Intrauterine System (LNG-IUS)** is the gold standard.

Q: What is the least common complication of uterine fibroids?

Malignancy. **Explanation:** Uterine fibroids (leiomyomas) are the most common benign tumors of the female reproductive tract. While they are associated with several complications, **malignant transformation** (leiomyosarcoma) is the **least common**, occurring in less than **0.1% to 0.5%** of cases. Most leiomyosarcomas are thought to arise *de novo* rather than from pre-existing benign fibroids. **Analysis of Options:** * **A. Menstrual Disorders:** This is the **most common** presentation. Intramural and submucosal fibroids increase the uterine surface area and vascularity, leading to menorrhagia (heavy menstrual bleeding). * **C. Urinary Retention:** Large anterior or fundal fibroids can exert pressure on the bladder or urethra, causing frequency, urgency, or acute urinary retention (especially if the fibroid is cervical or impacted in the pouch of Douglas). * **D. Degeneration:** Fibroids frequently outgrow their blood supply, leading to various types of degeneration. **Hyaline degeneration** is the most common overall, while **Red degeneration** is a classic high-yield complication occurring during pregnancy. **Clinical Pearls for NEET-PG:** * **Most common degeneration:** Hyaline degeneration. * **Most common degeneration during pregnancy:** Red (carneous) degeneration (due to venous thrombosis). * **Degeneration after menopause:** Calcific degeneration. * **Sarcomatous change:** Suspect if there is rapid increase in size, especially in postmenopausal women. * **Most common site for fibroids:** Intramural (within the myometrium).

Q: A pregnant female at 16 weeks of gestation presents with bleeding. Ultrasound reveals a fibroid. What is the most appropriate management?

Conservative management. **Explanation:** The correct management for a fibroid diagnosed during pregnancy is **Conservative Management (Option A)**. **Why it is correct:** Most fibroids are asymptomatic during pregnancy and do not require intervention. Surgical removal of a fibroid (myomectomy) during pregnancy is strictly contraindicated due to the high risk of profuse hemorrhage from the increased pelvic vascularity and the significant risk of miscarriage or preterm labor. If a patient experiences pain (often due to **Red Degeneration**), the standard of care is bed rest, hydration, and analgesics (NSAIDs like Ibuprofen, though avoided near term). **Why other options are incorrect:** * **Laparoscopic myomectomy (Option B):** Myomectomy is generally deferred until 3–6 months postpartum. Surgery during pregnancy is only considered in extreme, rare cases of pedunculated fibroid torsion that fails to respond to conservative treatment. * **Curettage (Option C):** This is a procedure to remove the uterine lining or products of conception; it has no role in the management of a fibroid and would lead to pregnancy loss. * **Hysterectomy (Option D):** This is an invasive, definitive surgery that results in the loss of the fetus and future fertility. It is only a last resort for life-threatening postpartum hemorrhage. **NEET-PG High-Yield Pearls:** * **Most common change** in fibroid during pregnancy: No change in size (though 20-30% may increase). * **Most common complication:** Red Degeneration (Necrobiosis), typically occurring in the 2nd trimester. * **Red Degeneration Diagnosis:** Clinical (pain, fever, tenderness); MRI shows a characteristic peripheral rim of high signal intensity on T1-weighted images. * **Mode of delivery:** Fibroids are not an absolute indication for C-section unless they are large, lower-segment fibroids obstructing the birth canal (Previa fibroid).

Q: Repeated curettage is most likely to lead to which of the following conditions?

Asherman's syndrome. ### Explanation **Correct Answer: D. Asherman's syndrome** **Why it is correct:** Asherman’s syndrome refers to the formation of intrauterine adhesions (synechiae). The endometrium consists of two layers: the *stratum functionalis* (which sheds during menses) and the *stratum basalis* (the regenerative layer). **Repeated or over-vigorous curettage** (especially post-abortion or postpartum) causes trauma to the **stratum basalis**. When this regenerative layer is destroyed, the opposing raw surfaces of the uterine walls heal by forming fibrous bridges. This leads to partial or complete obliteration of the uterine cavity, manifesting as secondary amenorrhea, hypomenorrhea, or infertility. **Why the other options are incorrect:** * **A. Fibroids:** These are benign monoclonal tumors of the uterine smooth muscle (myometrium). Their etiology is linked to genetics and estrogen/progesterone levels, not mechanical trauma from curettage. * **B. Sheehan's syndrome:** This is postpartum pituitary necrosis caused by severe obstetric hemorrhage and hypotension. It is a vascular/endocrine complication, not a result of local uterine trauma. * **C. Endometrial cancer:** This is primarily associated with prolonged unopposed estrogen exposure, obesity, and nulliparity. Curettage is actually a diagnostic tool for this condition, not a causative factor. **NEET-PG High-Yield Pearls:** * **Gold Standard Investigation:** Hysteroscopy (allows for both diagnosis and grading of adhesions). * **Hysterosalpingography (HSG) finding:** Characterized by "filling defects" within the uterine cavity. * **Most common cause:** Post-traumatic (D&C for missed abortion or secondary PPH). In developing countries, **Genital Tuberculosis** is another significant cause of intrauterine adhesions. * **Treatment:** Hysteroscopic adhesiolysis followed by the placement of an IUCD or Foley’s catheter and estrogen therapy to promote endometrial regrowth.

Q: Characteristic features of Rokitanski-Kuster Hauser syndrome are all of the following except?

Anovulation. **Explanation:** **Mayer-Rokitansky-Küster-Hauser (MRKH) Syndrome** is a congenital anomaly characterized by the failure of the Müllerian ducts to develop. **Why "Anovulation" is the correct answer (the exception):** In MRKH syndrome, the defect is purely anatomical (Müllerian agenesis). The **ovaries** develop from the primitive germ cells and are not derived from the Müllerian ducts. Therefore, ovarian function remains completely intact. Patients have normal follicular development, regular ovulation, and normal female levels of estrogen and progesterone. Hence, "Anovulation" is incorrect as these patients ovulate normally. **Analysis of incorrect options:** * **Absent uterus & Absent vagina:** Since the Müllerian ducts normally form the fallopian tubes, uterus, cervix, and the upper two-thirds of the vagina, their agenesis leads to an absent or rudimentary uterus and a blind-ending or absent vaginal pouch. * **46-XX karyotype:** These patients are genetically female with a normal 46-XX constitution. They exhibit normal secondary sexual characteristics (breast development and pubic hair) because their ovaries function normally. **High-Yield Clinical Pearls for NEET-PG:** * **Presentation:** Most common cause of primary amenorrhea after Turner Syndrome. Typically presents as primary amenorrhea in a young girl with normal secondary sexual characteristics. * **Associated Anomalies:** 30–40% have **Renal anomalies** (e.g., renal agenesis, ectopic kidney) and 10–15% have **Skeletal anomalies** (e.g., Klippel-Feil syndrome). * **Diagnosis:** Gold standard is MRI to visualize pelvic structures; Ultrasound is the initial screening tool. * **Treatment:** Non-surgical (Frank’s dilators) or surgical (McIndoe vaginoplasty) creation of a neovagina. Reproductive options include surrogacy (as they have functional ovaries).

Q: What is true about leiomyomas' effect on estrogen?

Increased conversion of androgens to estrogen. **Explanation:** Leiomyomas (uterine fibroids) are **estrogen-dependent tumors**. Their growth is fueled by a localized hyperestrogenic environment, which is maintained through several biochemical mechanisms. **Why Option C is Correct:** Leiomyoma cells express higher levels of the enzyme **Aromatase** compared to normal myometrial cells. Aromatase facilitates the **increased conversion of circulating androgens (like androstenedione) into estrogens (estradiol)** within the tumor tissue itself. This "in-situ" estrogen production allows the fibroid to maintain high local concentrations of estrogen, promoting cellular proliferation and growth independently of systemic levels. **Analysis of Incorrect Options:** * **Option A:** Leiomyomas create a **hyperestrogenic** (not hypoestrogenic) environment to support their growth. * **Option B:** Fibroids actually have a **higher density of estrogen and progesterone receptors** compared to the surrounding normal myometrium, making them more sensitive to hormonal stimulation. * **Option D:** Leiomyomas contain lower levels of 17β-hydroxysteroid dehydrogenase Type 2. This results in **decreased conversion of estradiol (strong) to estrone (weak)**, ensuring that the most potent form of estrogen remains available to the tumor. **High-Yield Clinical Pearls for NEET-PG:** * **Progesterone’s Role:** While estrogen stimulates the expression of progesterone receptors, **Progesterone** is now considered the primary "mitogen" that stimulates the actual growth of fibroids. * **Medical Management:** This hormonal dependency is why **GnRH agonists** (which create a systemic hypoestrogenic state) are effective in shrinking fibroids pre-operatively. * **Post-menopause:** Fibroids typically regress after menopause due to the decline in estrogen levels. New growth in a post-menopausal woman should raise suspicion for **Leiomyosarcoma**.

Question 1

Which surgical procedure is associated with the highest incidence of ureteric injury?

Accepted Answer

Wertheim's hysterectomy

Answer

Abdominal hysterectomy

Answer

Vaginal hysterectomy

Answer

Adnexectomy

Question 2

What is the most common cause of hematocolpos?

Accepted Answer

Imperforate hymen

Answer

Cervical atresia

Answer

Vaginal atresia

Answer

Transverse vaginal septum

Question 3

What hormonal change is seen in dysfunctional uterine bleeding (DUB)?

Accepted Answer

Increased estrogen

Answer

Decreased progesterone receptors

Answer

Decreased estrogen receptors

Answer

Pituitary imbalance of hormones

Question 4

What is the least common complication of uterine fibroids?

Accepted Answer

Malignancy

Answer

Menstrual disorder

Answer

Urinary retention

Answer

Degeneration

Question 5

During laparoscopy, what is the preferred site for obtaining cultures in a patient with acute pelvic inflammatory disease (PID)?

Accepted Answer

Fallopian tubes

Answer

Endocervix

Answer

Endometrium

Answer

Pouch of Douglas

Question 6

A pregnant female at 16 weeks of gestation presents with bleeding. Ultrasound reveals a fibroid. What is the most appropriate management?

Accepted Answer

Conservative management

Answer

Laparoscopic myomectomy

Answer

Curettage

Answer

Hysterectomy

Question 7

Repeated curettage is most likely to lead to which of the following conditions?

Accepted Answer

Asherman's syndrome

Answer

Fibroids

Answer

Sheehan's syndrome

Answer

Endometrial cancer

Question 8

What is the commonest cause of pelvic inflammatory disease?

Accepted Answer

Copper-T (Intrauterine device)

Answer

Tuberculosis

Answer

Urinary tract infection

Answer

Fungal infection

Question 9

Characteristic features of Rokitanski-Kuster Hauser syndrome are all of the following except?

Accepted Answer

Anovulation

Answer

Absent uterus

Answer

Absent vagina

Answer

46-XX karyotype

Question 10

What is true about leiomyomas' effect on estrogen?

Accepted Answer

Increased conversion of androgens to estrogen

Answer

Create a hypoestrogenic environment

Answer

Have a lower density of estrogen receptors

Answer

Convert more estradiol to the weaker estrone

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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