Gynecological Disorders — MCQs
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What is the most common congenital abnormality of the uterus?
Which of the following investigations is most confirmatory for the diagnosis of pelvic inflammatory disease?
The pessary shown in the figure is used for which of the following conditions?
Which patient with symptomatic pelvic relaxation would benefit most from a partial colpocleisis (Le Fort procedure) over a vaginal hysterectomy and anterior and posterior repair?
Which of the following is true about the pathophysiology of uterine fibroids?
What is the drug of choice for bacterial vaginosis?
A 25-year-old married woman with regular menstruation presents with fever, lower abdominal pain, and dysmenorrhea. On examination, there are bilateral soft tender masses of 3 cm diameter in both fornices, and the uterus is of normal size. What is the most likely diagnosis?
What is the critical mitogen for uterine fibroid growth?
The transformation zone moves out under the influence of all except:
What is the most common site of endometriosis?
Gynecological Disorders Indian Medical PG Practice Questions and MCQs
Question 251: What is the most common congenital abnormality of the uterus?
- A. Uterus didelphys
- B. Arcuate uterus
- C. Unicornuate uterus
- D. Septate uterus (Correct Answer)
Explanation: **Explanation:** The correct answer is **Septate uterus**. Congenital uterine anomalies (Müllerian duct anomalies) result from the failure of development, fusion, or resorption of the Müllerian ducts during embryogenesis. **Why Septate Uterus is Correct:** The **septate uterus** is the most common structural uterine anomaly, accounting for approximately 35–55% of all cases. It occurs due to the failure of **resorption of the midline uterovaginal septum** after the Müllerian ducts have fused. Clinically, it is highly significant because it is associated with the highest rate of reproductive failure (miscarriages and preterm labor) among all anomalies. **Analysis of Incorrect Options:** * **Arcuate uterus (Option B):** While some older classifications considered this the most common "variant," modern ASRM/ESHRE guidelines often categorize it as a normal anatomical variant rather than a true malformation. In many clinical datasets, it is the second most frequent finding. * **Uterus didelphys (Option A):** This results from a complete failure of fusion of the Müllerian ducts, leading to two separate uteri and cervices. It is relatively rare. * **Unicornuate uterus (Option C):** This results from the agenesis or hypoplasia of one Müllerian duct. It is one of the least common anomalies (approx. 5–10%). **NEET-PG High-Yield Pearls:** * **Most common anomaly:** Septate uterus. * **Anomaly with worst reproductive outcome:** Septate uterus (due to poor vascularization of the septum). * **Best initial investigation:** 2D Ultrasound; however, **3D Ultrasound** is now the gold standard for non-invasive diagnosis. * **Gold Standard for differentiation:** Combined **Laparoscopy and Hysteroscopy** (to differentiate Septate from Bicornuate by observing the external fundal contour). * **Treatment of choice for Septate uterus:** Hysteroscopic septal resection.
Question 252: Which of the following investigations is most confirmatory for the diagnosis of pelvic inflammatory disease?
- A. Gram stain and culture
- B. Ultrasound (USG)
- C. Laparoscopy (Correct Answer)
- D. Culdocentesis
Explanation: **Explanation:** **Pelvic Inflammatory Disease (PID)** is a clinical diagnosis based on symptoms like lower abdominal pain, cervical motion tenderness, and adnexal tenderness. However, when a definitive or "confirmatory" diagnosis is required, **Laparoscopy** is the **Gold Standard**. 1. **Why Laparoscopy is Correct:** It allows for direct visualization of the pelvic organs. Diagnostic criteria include hyperemic (reddened) fallopian tubes, edema of the tubal walls, and the presence of purulent exudate on the tubal surfaces or dripping from the fimbriae. It also allows for the collection of high-quality peritoneal fluid for culture. 2. **Why Other Options are Incorrect:** * **Gram stain and culture:** While useful for identifying the causative organism (e.g., *N. gonorrhoeae* or *C. trachomatis*), it is not confirmatory for PID itself, as these organisms can be present in the lower genital tract without causing upper tract infection. * **Ultrasound (USG):** This is often the first-line imaging modality. It is excellent for detecting complications like a Tubo-ovarian abscess (TOA) or hydrosalpinx, but it lacks the sensitivity to diagnose early or mild PID. * **Culdocentesis:** This involves aspirating fluid from the Pouch of Douglas. While it may show purulent fluid, it is an invasive, non-specific procedure that has largely been replaced by USG and laparoscopy. **NEET-PG High-Yield Pearls:** * **Most common cause of PID:** *Chlamydia trachomatis* (subacute/silent) and *Neisseria gonorrhoeae* (acute). * **CDC Minimum Clinical Criteria:** Lower abdominal/pelvic pain + Adnexal tenderness OR Cervical motion tenderness OR Uterine tenderness. * **Fitz-Hugh-Curtis Syndrome:** A complication of PID involving peri-hepatitis, characterized by "violin-string" adhesions between the liver capsule and the diaphragm.
Question 253: The pessary shown in the figure is used for which of the following conditions?
- A. Uterine prolapse
- B. Stress urinary incontinence
- C. Retroversion of uterus (Correct Answer)
- D. Inversion of uterus
Explanation: ***Retroversion of uterus*** - The **Hodge pessary** shown in the figure is specifically designed to support and correct the **backward tilting (retroversion)** of the uterus. - It provides **mechanical support** to maintain the uterus in an **anteverted position** and relieves symptoms like backache and pelvic pressure. *Uterine prolapse* - Requires different pessary types like **ring pessary**, **shelf pessary**, or **Gellhorn pessary** for adequate support. - The Hodge pessary lacks the **structural design** needed to support a prolapsed uterus effectively. *Stress urinary incontinence* - Managed with **incontinence pessaries** or **incontinence rings** that support the **urethrovesical angle**. - The Hodge pessary does not provide the specific **urethral support** needed for stress incontinence management. *Inversion of uterus* - This is an **acute obstetric emergency** requiring immediate **manual reduction** and surgical intervention. - Pessaries are **contraindicated** in uterine inversion as they cannot address this life-threatening condition.
Question 254: Which patient with symptomatic pelvic relaxation would benefit most from a partial colpocleisis (Le Fort procedure) over a vaginal hysterectomy and anterior and posterior repair?
- A. Does not desire retained sexual function (Correct Answer)
- B. Requires periodic endometrial sampling
- C. Has a history of endometrial dysplasia
- D. Has cervical dysplasia requiring colposcopic evaluation
Explanation: **Explanation:** **Le Fort partial colpocleisis** is an obliterative procedure for pelvic organ prolapse (POP). It involves denuding the anterior and posterior vaginal walls and suturing them together, effectively closing the vaginal canal while leaving small lateral channels for drainage. **1. Why Option A is Correct:** The primary clinical prerequisite for a Le Fort procedure is that the patient **does not desire future sexual intercourse (coitus)**, as the procedure results in a non-functional, obliterated vagina. It is typically reserved for elderly, frail patients with significant comorbidities who cannot tolerate the longer operative time or blood loss associated with reconstructive surgeries like vaginal hysterectomy. **2. Why the Other Options are Incorrect:** * **Options B, C, and D:** These are **contraindications** to colpocleisis. Because the uterus is retained and the cervix/endometrium becomes inaccessible after the vaginal canal is closed, any condition requiring future monitoring (endometrial sampling, colposcopy for dysplasia, or history of malignancy) must be ruled out or treated before the procedure. If there is a risk of uterine or cervical cancer, a hysterectomy is mandatory. **High-Yield Clinical Pearls for NEET-PG:** * **Success Rate:** Colpocleisis has the highest success rate (>95%) for treating POP. * **Prerequisites:** Patient must be sexually inactive, have a low anesthetic risk profile (though it can be done under local/regional anesthesia), and have a **normal PAP smear and endometrial biopsy** (if postmenopausal bleeding is present) pre-operatively. * **Le Fort vs. Total Colpocleisis:** Le Fort is used when the uterus is **in situ**; Total colpocleisis (Vaginal Vault Obliteration) is performed if the patient has had a prior hysterectomy.
Question 255: Which of the following is true about the pathophysiology of uterine fibroids?
- A. Uterine fibroids are derived from multiple progenitor myocytes.
- B. Mitotic activity in these muscles is very common.
- C. They possess distinct autonomy from their surrounding myometrium. (Correct Answer)
- D. Leiomyomas have high arterial density compared with the surrounding myometrium.
Explanation: **Explanation:** **Correct Answer: C. They possess distinct autonomy from their surrounding myometrium.** Uterine fibroids (leiomyomas) are benign monoclonal tumors. A key pathophysiological feature is their **autonomy**; they are separated from the normal myometrium by a thin layer of connective tissue known as a **pseudocapsule**. This capsule contains blood vessels and nerves but allows the fibroid to exist as a distinct pathological entity, which is why they can be easily "enucleated" during a myomectomy without damaging the surrounding healthy tissue. **Analysis of Incorrect Options:** * **Option A:** Fibroids are **monoclonal**, meaning each individual fibroid is derived from a **single** progenitor myocyte (not multiple). This is a high-yield genetic fact confirmed by glucose-6-phosphate dehydrogenase (G6PD) isoenzyme studies. * **Option B:** Mitotic activity in typical leiomyomas is **very low**. High mitotic activity (usually >10 mitoses per 10 high-power fields) is a hallmark of malignancy (Leiomyosarcoma). * **Option C:** Leiomyomas actually have **lower arterial density** than the surrounding myometrium. They are characterized by a few large peripheral vessels (in the pseudocapsule) and are relatively ischemic in the center, which explains why they frequently undergo various types of degeneration (hyaline, cystic, or red degeneration). **NEET-PG High-Yield Pearls:** * **Estrogen & Progesterone:** Both are essential for growth. Fibroids have higher concentrations of estrogen and progesterone receptors than normal myometrium. * **Chromosomal Abnormalities:** About 40-50% show karyotype abnormalities, most commonly involving **MED12** gene mutations. * **Red Degeneration:** Most common during pregnancy due to rapid growth leading to aseptic infarction. * **Most Common Degeneration:** Hyaline degeneration (occurs in 65% of cases).
Question 256: What is the drug of choice for bacterial vaginosis?
- A. Ciprofloxacin
- B. Doxycycline
- C. Tetracycline
- D. Metronidazole (Correct Answer)
Explanation: **Explanation:** **Bacterial Vaginosis (BV)** is a clinical syndrome resulting from the replacement of normal hydrogen peroxide-producing *Lactobacillus* species in the vagina with high concentrations of anaerobic bacteria (e.g., *Gardnerella vaginalis*, *Prevotella* species, and *Mobiluncus* species). **Why Metronidazole is the Correct Answer:** Metronidazole is the **Drug of Choice (DOC)** because it is highly effective against anaerobic bacteria while relatively sparing the protective *Lactobacillus* flora. According to CDC and standard gynecological guidelines, the recommended regimen is **Metronidazole 500 mg orally twice daily for 7 days**. Alternatively, Metronidazole 0.75% gel intravaginally is also used. Clindamycin is considered an alternative. **Analysis of Incorrect Options:** * **A. Ciprofloxacin:** This is a fluoroquinolone primarily used for aerobic gram-negative infections (like UTIs). It has poor activity against the anaerobes that cause BV. * **B. Doxycycline:** This is the drug of choice for *Chlamydia trachomatis* and *Lymphogranuloma venereum (LGV)*, but it is ineffective against the polymicrobial anaerobic shift seen in BV. * **C. Tetracycline:** Similar to Doxycycline, it does not provide the necessary anaerobic coverage required to treat BV effectively. **High-Yield Clinical Pearls for NEET-PG:** 1. **Amsel’s Criteria (Need 3 out of 4 for diagnosis):** * Homogeneous, thin, white-grey discharge. * Vaginal pH **> 4.5**. * **Whiff Test:** Fishy odor on adding 10% KOH. * **Clue Cells** on wet mount (most specific finding). 2. **Nugent Scoring:** The "Gold Standard" for diagnosis (based on Gram stain). 3. **Treatment in Pregnancy:** Symptomatic pregnant women should be treated with Metronidazole to reduce the risk of preterm labor and PPROM. 4. **Partner Treatment:** Unlike Trichomoniasis, routine treatment of the male partner is **not** recommended for BV.
Question 257: A 25-year-old married woman with regular menstruation presents with fever, lower abdominal pain, and dysmenorrhea. On examination, there are bilateral soft tender masses of 3 cm diameter in both fornices, and the uterus is of normal size. What is the most likely diagnosis?
- A. Cystic ovaries
- B. Tubo-ovarian masses (Correct Answer)
- C. Ectopic pregnancy
- D. Tuberculous salpingitis
Explanation: ### Explanation **Correct Option: B. Tubo-ovarian masses** The clinical triad of **fever, lower abdominal pain, and bilateral tender adnexal masses** in a young woman is a classic presentation of Pelvic Inflammatory Disease (PID) progressing to **Tubo-ovarian masses**. * **Medical Concept:** PID often results from ascending infection, leading to salpingo-oophoritis. When the inflammatory exudate causes the tube and ovary to adhere together, it forms a tender, inflammatory mass. The presence of fever and acute pain indicates an active infectious process. Bilateral involvement is highly characteristic of pyogenic PID. **Why the other options are incorrect:** * **A. Cystic ovaries:** Simple ovarian cysts are usually asymptomatic or cause dull aching pain. They do not present with fever or acute inflammatory signs unless there is a complication like torsion or rupture. * **C. Ectopic pregnancy:** While it presents with abdominal pain and an adnexal mass, it is typically associated with **amenorrhea** (missed period) and a positive pregnancy test. Fever is not a primary feature unless the ectopic is long-standing and infected. * **D. Tuberculous salpingitis:** While this causes bilateral masses, it is usually a **chronic** condition. It typically presents with infertility and menstrual irregularities (like menorrhagia or amenorrhea) rather than acute fever and regular menstruation. The masses in TB are often "doughy" or fixed rather than soft and acutely tender. **NEET-PG High-Yield Pearls:** * **Gold Standard Investigation for PID:** Laparoscopy (shows tubal edema and exudates). * **Most Common Organism:** *Chlamydia trachomatis* (most common overall) and *Neisseria gonorrhoeae*. * **Chandler’s Sign:** Exquisite cervical motion tenderness, a hallmark of PID. * **Fitz-Hugh-Curtis Syndrome:** Peri-hepatitis (violin-string adhesions) associated with PID.
Question 258: What is the critical mitogen for uterine fibroid growth?
- A. Estrogen
- B. Progesterone (Correct Answer)
- C. IGF-I & II
- D. Corticosterone
Explanation: **Explanation:** The understanding of uterine fibroid (leiomyoma) pathophysiology has shifted significantly in recent years. While estrogen was traditionally viewed as the primary driver, current evidence identifies **Progesterone** as the critical mitogen for fibroid growth. **Why Progesterone is Correct:** Progesterone acts via its receptors (PR-A and PR-B) to stimulate the expression of growth factors and inhibit apoptosis. It increases the mitotic rate of fibroid cells, particularly during the luteal phase of the menstrual cycle. Clinical proof of this is seen in the effectiveness of Selective Progesterone Receptor Modulators (SPRMs) like Ulipristal acetate in shrinking fibroids. **Analysis of Incorrect Options:** * **A. Estrogen:** Estrogen is essential for "priming" the tissue by upregulating progesterone receptors. However, it is considered a permissive factor rather than the direct mitogen. Fibroids rarely grow in the absence of progesterone, even if estrogen is present. * **C. IGF-I & II:** Insulin-like Growth Factors are downstream mediators. While they play a role in cell proliferation, they are regulated by the primary action of ovarian steroids (Progesterone/Estrogen). * **D. Corticosterone:** This is a glucocorticoid involved in stress responses and metabolism; it has no established role in the mitogenesis of uterine smooth muscle tumors. **NEET-PG High-Yield Pearls:** * **Dual Control:** Estrogen prepares the soil (upregulates receptors), but Progesterone grows the plant (mitosis). * **Medical Management:** GnRH agonists (e.g., Leuprolide) induce a hypoestrogenic state, while SPRMs (e.g., Ulipristal) directly block the critical mitogenic signal of progesterone. * **Epidemiology:** Fibroids are the most common benign tumor of the female reproductive tract and typically regress after menopause due to the withdrawal of both estrogen and progesterone.
Question 259: The transformation zone moves out under the influence of all except:
- A. Age (Correct Answer)
- B. Pregnancy
- C. Oral contraceptive pills (OCPs)
- D. Puberty
Explanation: The **Transformation Zone (TZ)** is the area between the original squamocolumnar junction (SCJ) and the new SCJ. Its movement is primarily driven by **estrogen levels** and **vaginal pH**. ### Why "Age" is the Correct Answer As a woman ages, particularly during **menopause**, estrogen levels decline significantly. This causes the squamocolumnar junction to **recede upwards (inward)** into the endocervical canal. Therefore, age (specifically advancing age/menopause) causes the TZ to move **in**, not out. ### Explanation of Incorrect Options (Factors that move the TZ OUT) The process where the TZ moves outward onto the ectocervix is known as **Ectropion (Cervical Erosion)**. This occurs under high-estrogen states: * **Puberty:** The surge in estrogen causes the endocervical columnar epithelium to proliferate and "evert" onto the ectocervix. * **Pregnancy:** High levels of circulating estrogen and increased vascularity lead to significant eversion of the columnar epithelium. * **Oral Contraceptive Pills (OCPs):** These provide an exogenous source of estrogen/progestogen, mimicking a high-hormone state that promotes ectropion. ### High-Yield Clinical Pearls for NEET-PG * **Metaplasia:** The TZ is the site where columnar epithelium undergoes **squamous metaplasia** due to the acidic environment of the vagina. * **Cervical Cancer:** The Transformation Zone is the most common site for the development of **Cervical Intraepithelial Neoplasia (CIN)** and squamous cell carcinoma. * **Colposcopy:** A colposcopic examination is considered "satisfactory" only if the entire transformation zone is visible. In postmenopausal women, it is often "unsatisfactory" because the TZ has moved into the canal.
Question 260: What is the most common site of endometriosis?
- A. Fallopian tube
- B. Cervix
- C. Ovary (Correct Answer)
- D. Vagina
Explanation: **Explanation:** Endometriosis is defined as the presence of functional endometrial glands and stroma outside the uterine cavity. It is a common estrogen-dependent inflammatory condition primarily affecting women of reproductive age. **Why the Ovary is Correct:** The **ovary** is the most common site of endometriosis (found in approximately 50-60% of cases). When endometriosis occurs in the ovary, it often forms a cyst filled with thick, dark, degenerated blood, known as an **Endometrioma** or "Chocolate Cyst." The most common site for pelvic peritoneal implants is the **Pouch of Douglas (POD)**, followed by the broad ligament and the uterosacral ligaments. **Why Other Options are Incorrect:** * **Fallopian tube:** While the tubes can be involved (leading to adhesions or hematosalpinx), it is significantly less common than ovarian involvement. * **Cervix:** Cervical endometriosis is rare and usually occurs secondary to trauma (e.g., post-biopsy or LEEP). * **Vagina:** Vaginal involvement is uncommon and typically occurs in the posterior vaginal fornix as an extension of deep infiltrating endometriosis from the Pouch of Douglas. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site:** Ovary. * **Most common site for peritoneal implants:** Pouch of Douglas (POD). * **Most common symptom:** Dysmenorrhea (typically secondary, congestive, and begins before menses). * **Gold Standard for Diagnosis:** Laparoscopy (visual confirmation with or without biopsy). * **Classic Laparoscopic Appearance:** "Powder-burn" or "Gunshot" lesions. * **Sampson’s Theory:** The most widely accepted theory for its pathogenesis is retrograde menstruation.
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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