Gynecological Disorders — MCQs

A 24-year-old patient presents with the mucosal lining of the cervix visible. On digital examination, the external os is patulous and the lower part of the cervical canal can be felt with the examining finger. There is no visible purulent discharge. The patient reports a history of cervical laceration during childbirth. What is the probable diagnosis?

Q410Medium

Red degeneration of a uterine fibroid is primarily associated with which of the following conditions?

Gynecological Disorders Indian Medical PG Practice Questions and MCQs

Question 401: The blebs of vaginitis emphysematosa contain which gas?

A. Hydrogen sulfide (H2S)
B. Hydrogen (H2)
C. Nitrogen dioxide (NO2)
D. Carbon dioxide (CO2) (Correct Answer)

Explanation: **Explanation:** **Vaginitis Emphysematosa** is a rare, self-limiting condition characterized by the presence of multiple gas-filled cysts (blebs) in the subepithelial layer of the upper vagina and ectocervix. **Why Carbon Dioxide (CO2) is the correct answer:** The gas within these blebs is primarily **Carbon Dioxide (CO2)**. While the exact pathogenesis is debated, it is widely believed to be a reactive process rather than a direct gas-forming bacterial infection. It is frequently associated with local inflammation or infections such as *Trichomonas vaginalis* or *Gardnerella vaginalis*. The CO2 is thought to be produced by the metabolic activity of these microorganisms or by the host's inflammatory response, which then becomes trapped within the vaginal connective tissue. **Analysis of Incorrect Options:** * **Hydrogen sulfide (H2S):** This gas is typically associated with putrefaction and anaerobic decomposition (often giving a "rotten egg" smell), but it is not the constituent of these specific vaginal cysts. * **Hydrogen (H2):** While produced by some intestinal bacteria, it is not the primary gas found in vaginitis emphysematosa. * **Nitrogen dioxide (NO2):** This is a toxic environmental pollutant and is not produced biologically within vaginal tissues. **High-Yield Clinical Pearls for NEET-PG:** * **Clinical Presentation:** Often asymptomatic; discovered incidentally during a speculum exam as "bubbly" or "cobblestone" vaginal walls. * **Pathognomonic Sign:** A "popping" sound may be heard if the cysts are ruptured during examination. * **Radiology:** On imaging (X-ray or CT), it appears as a "string of beads" or clusters of air pockets along the vaginal wall. * **Management:** It is a **benign, self-limiting** condition. Treatment is directed at the underlying infection (e.g., Metronidazole for Trichomoniasis), which usually leads to the resolution of the blebs.

Question 402: Which of the following is the chromosomal composition of a complete mole?

A. 46 XX (Correct Answer)
B. 45X0
C. 69 XXY
D. 69 XXX

Explanation: **Explanation:** A **Complete Hydatidiform Mole** is characterized by the fertilization of an "empty" egg (an ovum with an absent or inactivated nucleus) by a sperm. The resulting genetic material is entirely paternal in origin (**Androgenesis**). 1. **Why 46 XX is correct:** In 90% of cases, a single sperm (23X) fertilizes the empty egg and duplicates its own chromosomes (**Endoreduplication**), resulting in a 46 XX diploid karyotype. Less commonly (10%), two sperm fertilize the empty egg (**Dispermy**), which can result in 46 XX or 46 XY. Therefore, 46 XX is the most frequent chromosomal composition. 2. **Why incorrect options are wrong:** * **45 X0 (Turner Syndrome):** This represents monosomy X, which is a common cause of first-trimester spontaneous abortions but is not associated with molar pregnancies. * **69 XXY and 69 XXX:** These are **triploid** karyotypes characteristic of a **Partial Mole**. These occur when a normal haploid egg is fertilized by two sperm (or one diploid sperm), resulting in 69 chromosomes. **High-Yield Clinical Pearls for NEET-PG:** * **Complete Mole:** No fetal parts, "Snowstorm appearance" on USG, higher risk of Choriocarcinoma (approx. 2%), and diffuse hydropic swelling of villi. * **Partial Mole:** Fetal parts present, focal swelling of villi, and lower risk of malignancy. * **Theca Lutein Cysts:** More common in complete moles due to significantly elevated β-hCG levels. * **Histopathology:** Complete moles show diffuse trophoblastic proliferation and circumferential hyperplasia.

Question 403: What is the most favored treatment for a pelvic abscess in the cul-de-sac?

A. Laparotomy
B. Colpotomy (Correct Answer)
C. Incision and drainage
D. Antibiotics

Explanation: **Explanation:** The correct answer is **Colpotomy** (specifically, posterior colpotomy). A pelvic abscess in the **cul-de-sac (Pouch of Douglas)** is located at the most dependent part of the peritoneal cavity, directly adjacent to the posterior vaginal fornix. 1. **Why Colpotomy is correct:** When a pelvic abscess is fluctuant and pointing towards the vagina, **posterior colpotomy** is the treatment of choice. It allows for direct, gravity-dependent drainage of pus through an incision in the posterior vaginal fornix. This approach is minimally invasive compared to surgery, provides immediate symptomatic relief, and avoids the risk of generalized peritoneal contamination. 2. **Why other options are incorrect:** * **Laparotomy:** This is an invasive major surgery. It is reserved for cases where the abscess has ruptured (causing peritonitis) or when the abscess is high-seated and inaccessible vaginally. * **Incision and Drainage (I&D):** While colpotomy is a form of I&D, the term "Incision and Drainage" in a general surgical context usually refers to skin/surface abscesses. In gynecology, the specific procedure for this location is colpotomy. * **Antibiotics:** While antibiotics are a crucial *adjunct* to treatment, they are rarely sufficient as a standalone therapy for a mature, walled-off abscess. "Ubi pus, ibi evacua" (where there is pus, evacuate it) remains the surgical gold standard. **High-Yield Clinical Pearls for NEET-PG:** * **Prerequisite:** Before performing a colpotomy, a **needle aspiration (culdocentesis)** should be done to confirm the presence of pus and rule out an ectopic pregnancy or a solid tumor. * **Indications:** The abscess must be midline, fluctuant, and "pointing" in the Pouch of Douglas. * **Modern Trend:** While colpotomy is the classic textbook answer, **USG-guided percutaneous drainage** is increasingly used in modern practice for non-pointing abscesses.

Question 404: Which of the following statements is not true about ectopic pregnancy?

A. A previous ectopic pregnancy is the greatest risk factor.
B. Progesterone-only pills increase the risk of ectopic pregnancy. (Correct Answer)
C. Pelvic infections increase the risk of ectopic pregnancy.
D. In vitro fertilization (IVF) increases the risk of ectopic pregnancy.

Explanation: **Explanation:** The correct answer is **B**, as progesterone-only pills (POPs) do not increase the absolute risk of ectopic pregnancy; rather, they significantly decrease the overall risk of pregnancy. However, if a woman *does* conceive while taking POPs, there is a higher relative proportion of those pregnancies being ectopic compared to the general population. **Analysis of Options:** * **Option A:** A **previous history of ectopic pregnancy** is indeed the strongest risk factor (odds ratio ~7-10). The risk of recurrence is approximately 10% after one ectopic and rises to 25% after two. * **Option B (Correct):** POPs prevent ovulation in many cycles and thicken cervical mucus. Because they reduce the total number of pregnancies so effectively, the absolute incidence of ectopic pregnancy is lower than in women using no contraception. (Note: This is a common "trap" question; only the **Progestasert IUD** and **Tubal Sterilization failure** are associated with high relative risks). * **Option C:** **Pelvic Inflammatory Disease (PID)**, specifically *Chlamydia trachomatis*, causes tubal scarring and deciliation, which hinders the transport of the embryo, making it a major risk factor. * **Option D:** **IVF and Assisted Reproductive Technology (ART)** increase the risk (approx. 2-5%) due to factors like the volume of transfer fluid or underlying tubal pathology in infertile patients. **NEET-PG High-Yield Pearls:** * **Most common site:** Ampulla (70%). * **Most common site for rupture:** Isthmus (occurs early, at 6-8 weeks). * **Classic Triad:** Amenorrhea, abdominal pain, and vaginal bleeding (present in only 50% of cases). * **Arias-Stella Reaction:** Hypersecretory endometrium seen on biopsy; it is suggestive but not pathognomonic of ectopic pregnancy. * **Gold Standard Diagnosis:** Transvaginal Ultrasound (TVUS) + Serial β-hCG (Discriminatory zone: 1500–2000 mIU/mL).

Question 405: Snow storm appearance on USG is seen in which of the following conditions?

A. Dysgerminoma
B. Carcinoma cervix
C. Carcinoma endometrium
D. Hydatidiform mole (Correct Answer)

Explanation: ### Explanation **Correct Option: D. Hydatidiform mole** The **"Snowstorm appearance"** is a classic, pathognomonic ultrasonographic finding of a **Hydatidiform Mole** (specifically a Complete Mole). This appearance is caused by the presence of multiple hydropic (swollen) chorionic villi and intrauterine hemorrhage. On USG, these swollen villi appear as numerous small, echo-free (anechoic) cystic spaces interspersed with echogenic areas, resembling a blizzard or snowstorm. In a complete mole, there is typically an absence of fetal parts and an empty gestational sac. **Analysis of Incorrect Options:** * **A. Dysgerminoma:** This is a germ cell tumor of the ovary. On USG, it typically appears as a solid, lobulated mass with fibrovascular septa. It does not show the characteristic cystic pattern of a mole. * **B. Carcinoma Cervix:** This is primarily diagnosed via clinical examination and biopsy. On imaging, it appears as a cervical mass or thickening, often with increased vascularity, but not a snowstorm pattern. * **C. Carcinoma Endometrium:** This typically presents on USG as a thickened, irregular endometrial stripe or a polypoid mass within the uterine cavity, often seen in postmenopausal women. **Clinical Pearls for NEET-PG:** * **Gold Standard Investigation:** USG is the investigation of choice for Molar Pregnancy. * **Serum Marker:** Extremely high levels of **hCG** (often >100,000 mIU/mL) are characteristic. * **Clinical Sign:** "Doughy feel" of the uterus on palpation and "size > dates" (uterus larger than expected for gestational age). * **Theca Lutein Cysts:** Often seen bilaterally in the ovaries due to high hCG stimulation (associated with molar pregnancy). * **Management:** Suction and evacuation is the treatment of choice.

Question 406: What is true regarding fibroid uteri?

A. Estrogen dependent tumor (Correct Answer)
B. Capsulated
C. Can lead to red degeneration in pregnancy for which urgent surgery is required
D. None of the above

Explanation: **Explanation:** **1. Why Option A is Correct:** Uterine fibroids (leiomyomas) are benign monoclonal tumors of smooth muscle cells. They are strictly **estrogen and progesterone dependent**. They rarely occur before menarche, grow rapidly during pregnancy (high estrogen states), and typically shrink after menopause. The tumor cells have a higher density of estrogen and progesterone receptors compared to normal myometrium. **2. Why Other Options are Incorrect:** * **Option B (Capsulated):** Fibroids are **not** true capsulated tumors. They possess a **pseudocapsule** formed by the compression of surrounding normal myometrium and areolar tissue. This distinction is clinically important because the pseudocapsule contains the neurovascular bundle, and staying within the plane during myomectomy minimizes bleeding. * **Option C (Red Degeneration):** While red degeneration is the most common complication of fibroids during pregnancy (due to rapid growth and venous thrombosis), it is managed **conservatively** with bed rest and analgesics (NSAIDs). Surgery (myomectomy) is contraindicated during pregnancy due to the risk of massive hemorrhage and miscarriage. **3. High-Yield Clinical Pearls for NEET-PG:** * **Most common type:** Intramural; **Most symptomatic type:** Submucosal (causes Menorrhagia). * **Most common degeneration:** Hyaline (overall); **Red degeneration:** Specific to pregnancy (occurs in 2nd trimester). * **Secondary changes:** Calcification is common in post-menopausal women (Womb stone). * **Medical Management:** GnRH agonists (e.g., Leuprolide) are used pre-operatively to reduce the size of the fibroid and vascularity. * **Definitive Treatment:** Hysterectomy (if family complete) or Myomectomy (if fertility is to be preserved).

Question 407: A female presents with 8 weeks of amenorrhea and left lower abdominal pain. Ultrasonography reveals a thick endometrium with a mass in the lateral adnexa. What is the most probable diagnosis?

A. Ectopic pregnancy (Correct Answer)
B. Torsion of dermoid cyst
C. Tubo-ovarian mass
D. Hydrosalpinx

Explanation: ### Explanation The clinical presentation of **amenorrhea, abdominal pain, and an adnexal mass** is the classic triad for **Ectopic Pregnancy** until proven otherwise. **1. Why Ectopic Pregnancy is correct:** * **Amenorrhea (8 weeks):** Suggests a pregnancy-related condition. * **Thick Endometrium:** In an ectopic pregnancy, the endometrium undergoes a **decidual reaction** due to progesterone production from the corpus luteum, despite the embryo being implanted outside the uterus. * **Lateral Adnexal Mass:** This represents the gestational sac or a hematoma (if leaking) within the fallopian tube (the most common site, specifically the **ampulla**). **2. Why the other options are incorrect:** * **Torsion of Dermoid Cyst:** While it presents with acute pain and an adnexal mass, it is usually not associated with amenorrhea or a thickened endometrium. * **Tubo-ovarian Mass:** Typically follows Pelvic Inflammatory Disease (PID). It presents with fever, vaginal discharge, and chronic pain rather than acute amenorrhea. * **Hydrosalpinx:** This is a chronic collection of fluid in the fallopian tube. It is usually asymptomatic or causes chronic dull pain and is not associated with amenorrhea. **3. NEET-PG High-Yield Pearls:** * **Gold Standard Diagnosis:** Transvaginal Ultrasound (TVS) + Serial β-hCG levels. * **Arias-Stella Reaction:** A characteristic histological change in the endometrium (hypersecretory glands with nuclear pleomorphism) seen in ectopic pregnancy. * **Discriminatory Zone:** The level of β-hCG (usually 1500–2000 mIU/mL) at which a gestational sac should be visible on TVS. If not seen, suspect ectopic pregnancy. * **Most Common Site:** Ampulla of the Fallopian tube. * **Most Common Site for Rupture:** Isthmus (due to its narrow lumen).

Question 408: Which of the following is the earliest sign of magnesium toxicity in a patient with eclampsia on treatment with magnesium sulphate?

A. Loss of deep tendon reflexes (Correct Answer)
B. Respiratory depression
C. Cardiac arrest
D. Decreased urine output

Explanation: Magnesium sulphate ($MgSO_4$) is the drug of choice for controlling and preventing seizures in eclampsia. It acts as a CNS depressant and neuromuscular blocker by inhibiting acetylcholine release at the motor endplate. However, it has a narrow therapeutic index, making monitoring of clinical signs essential. **Explanation of the Correct Answer:** * **A. Loss of deep tendon reflexes (Patellar reflex):** This is the **earliest clinical sign** of magnesium toxicity. It occurs at serum magnesium levels of **7–10 mEq/L**. The loss of the knee-jerk reflex serves as a "warning signal" that magnesium levels are rising toward dangerous thresholds, allowing for intervention before life-threatening complications occur. **Explanation of Incorrect Options:** * **B. Respiratory depression:** This is a late sign of toxicity, typically occurring when serum levels reach **11–15 mEq/L**. It results from the paralysis of respiratory muscles. * **C. Cardiac arrest:** This is the terminal event of magnesium toxicity, occurring at very high levels, usually **>15 mEq/L**, due to the direct effect of magnesium on the cardiac conduction system. * **D. Decreased urine output:** While oliguria is a **predisposing factor** for toxicity (as magnesium is excreted solely by the kidneys), it is not a sign of toxicity itself. **High-Yield Clinical Pearls for NEET-PG:** * **Therapeutic Range:** 4–7 mEq/L. * **Monitoring Parameters:** Before every dose, ensure: 1) Patellar reflex is present, 2) Respiratory rate >12–14/min, and 3) Urine output >30 ml/hr (or >100 ml in 4 hours). * **Antidote:** 10 ml of **10% Calcium Gluconate** IV (administered slowly over 10 minutes).

Question 409: A 24-year-old patient presents with the mucosal lining of the cervix visible. On digital examination, the external os is patulous and the lower part of the cervical canal can be felt with the examining finger. There is no visible purulent discharge. The patient reports a history of cervical laceration during childbirth. What is the probable diagnosis?

A. Chronic cervicitis
B. Carcinoma of the cervix
C. Cervical ectropion (Correct Answer)
D. Cervical polyp

Explanation: ### Explanation **Correct Answer: C. Cervical ectropion** **Understanding the Concept:** Cervical ectropion (or eversion) occurs when the **columnar epithelium** of the endocervix migrates outward onto the ectocervix. This exposes the red, granular mucosal lining, making it visible on speculum examination. A key clinical feature in this case is the history of **cervical laceration** during childbirth. When a bilateral cervical tear occurs, the anterior and posterior lips of the cervix pull apart (diverge), causing the cervical canal to open up (**patulous external os**). This allows the examiner’s finger to palpate the lower cervical canal and directly visualize the everted endocervical mucosa. **Why the other options are incorrect:** * **Chronic cervicitis:** While it may coexist with ectropion, it typically presents with persistent leucorrhea (often purulent) and a congested, hypertrophied cervix. The question specifically mentions the absence of purulent discharge. * **Carcinoma of the cervix:** Malignancy usually presents as a friable, irregular growth or an indurated ulcer that bleeds on touch. The description of a smooth mucosal lining and a history of trauma points toward a benign structural change rather than neoplasia. * **Cervical polyp:** A polyp is a focal, pedunculated, or sessile fleshy growth protruding from the os. It does not involve the generalized eversion of the cervical canal seen in this patient. **NEET-PG High-Yield Pearls:** * **Etiology:** Ectropion is common in high-estrogen states (pregnancy, OCP use, puberty) and following obstetric trauma (lacerations). * **Clinical Sign:** On examination, it appears as a red, velvety area around the os. It **does not bleed on touch** (unlike malignancy) but may cause post-coital spotting. * **Management:** It is a physiological condition. Treatment (Cryosurgery or Electrocautery) is only indicated if the patient is symptomatic with excessive mucoid discharge. * **Cytology:** Always perform a Pap smear to rule out CIN/Malignancy before treating an apparent ectropion.

Question 410: Red degeneration of a uterine fibroid is primarily associated with which of the following conditions?

A. Pregnancy
B. Aseptic necrosis
C. Thrombosis and leukocytosis
D. All of the above (Correct Answer)

Explanation: **Explanation:** **Red degeneration (Carneous degeneration)** is a specific type of aseptic necrosis of a uterine fibroid, most commonly occurring during the **second half of pregnancy** or the puerperium. 1. **Why "All of the Above" is correct:** * **Pregnancy:** It is the most common clinical setting. Rapid growth of the fibroid due to high estrogen levels outstrips its blood supply. * **Aseptic Necrosis:** The condition is non-infectious. The rapid growth leads to ischemia and subsequent infarction/necrosis of the tumor tissue. * **Thrombosis and Leukocytosis:** The primary mechanism involves **venous obstruction and thrombosis** at the periphery of the fibroid. This leads to hemorrhage into the tumor (giving it a "raw beef" appearance). Systemically, this inflammatory process often manifests as a low-grade fever and **leukocytosis**. 2. **Analysis of Options:** * **Option A:** While pregnancy is the primary trigger, it is the physiological context, not the pathological mechanism itself. * **Option B:** Describes the underlying pathological process (ischemic cell death without infection). * **Option C:** Describes the vascular event (venous thrombosis) and the systemic inflammatory response (leukocytosis) typically seen in these patients. **High-Yield Clinical Pearls for NEET-PG:** * **Clinical Presentation:** Acute abdominal pain, localized tenderness over the fibroid, and low-grade fever during pregnancy. * **Gross Appearance:** The fibroid looks like **"raw beef"** and has a characteristic odor of stale fish (due to amines). * **Management:** It is a **medical emergency, not a surgical one**. Management is strictly **conservative** (bed rest, analgesics like NSAIDs). Myomectomy is contraindicated during pregnancy due to the risk of hemorrhage. * **Most common degeneration in pregnancy:** Red Degeneration. * **Most common degeneration overall:** Hyaline Degeneration.

Practice by Chapter

Abnormal Uterine Bleeding

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Endometriosis

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Adenomyosis

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Uterine Fibroids

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Vulvovaginitis

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Pelvic Organ Prolapse

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Vulvar Disorders

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Benign Breast Diseases

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