Breast Surgery — MCQs

A 29-year-old woman presents with a recurrent right breast lump noticed 4 months ago. Initial aspirations with negative cytology were followed by recurrence. Examination reveals a 4 cm cystic lesion at 10 o'clock, approximately 4 cm from the areola, confirmed by ultrasound. What is the most appropriate next step in management?

Q219Medium

Which of the following statements about breast carcinoma in males is NOT true?

Q220Easy

What is the most common presenting symptom of fibroadenosis?

Breast Surgery Indian Medical PG Practice Questions and MCQs

Question 211: Acute mastitis commonly occurs during which period?

A. Pregnancy
B. Puberty
C. Lactation (Correct Answer)
D. Infancy

Explanation: **Explanation:** **1. Why Lactation is Correct:** Acute mastitis is most commonly observed during the **first few weeks of lactation** (puerperal mastitis). The primary pathophysiology involves **milk stasis** (due to incomplete emptying of the breast) and the entry of pathogens—most commonly ***Staphylococcus aureus***—through cracks or fissures in the nipple. The stagnant milk serves as an excellent culture medium for bacteria, leading to cellulitis of the interlobular connective tissue. **2. Why Other Options are Incorrect:** * **Pregnancy:** While the breast undergoes physiological changes and enlargement, the absence of active milk production and nipple trauma makes acute bacterial infection rare. * **Puberty:** Breast changes at puberty are hormonal (thelarche). While periductal mastitis can occur in young adults (often associated with smoking), acute pyogenic mastitis is not typical for this age group. * **Infancy:** "Mastitis neonatorum" can occur due to the influence of maternal hormones ("witch’s milk"), but it is a rare, transient clinical entity compared to the high incidence during lactation. **3. NEET-PG High-Yield Pearls:** * **Most Common Organism:** *Staphylococcus aureus* (causes localized abscess); *Streptococcus* (causes spreading cellulitis). * **Clinical Presentation:** Presents with the "classic four": Pain, swelling, redness, and fever (often with chills/rigors). * **Management:** * **Early stage:** Continue breastfeeding (to prevent further stasis) and start antibiotics (Flucloxacillin or Dicloxacillin). * **Abscess stage:** If a fluctuant mass forms, **Incision and Drainage (I&D)** or ultrasound-guided aspiration is required. * **Differential Diagnosis:** In a non-lactating woman, inflammatory breast cancer must be ruled out if "mastitis" does not respond to antibiotics.

Question 212: What is peau d'orange?

A. Cutaneous lymphatic edema due to infiltration of subdermal lymphatics (Correct Answer)
B. Radiation-associated edema of the breast
C. Radiation-associated limb edema
D. Limb edema associated with axillary lymph node dissection

Explanation: **Explanation:** **Peau d'orange** (French for "orange peel skin") is a classic clinical sign of advanced breast cancer, specifically associated with **Inflammatory Breast Cancer (IBC)**. 1. **Why Option A is Correct:** The phenomenon occurs when tumor cells infiltrate and obstruct the **subdermal (superficial) lymphatic vessels**. This leads to localized lymphedema of the skin. Because the skin is tethered by the hair follicles and sweat glands (which remain fixed), the edematous skin swells around them, creating a pitted, dimpled appearance reminiscent of an orange peel. 2. **Why Other Options are Incorrect:** * **Option B & C:** While radiation can cause tissue edema and fibrosis, "peau d'orange" specifically refers to the characteristic pitting caused by lymphatic blockage, usually by malignancy, not the generalized swelling seen post-radiation. * **Option D:** Limb edema following axillary lymph node dissection (ALND) is termed **secondary lymphedema** of the arm. While it involves lymphatic obstruction, it does not produce the specific "peau d'orange" skin texture on the breast itself. **High-Yield Clinical Pearls for NEET-PG:** * **TNM Staging:** The presence of peau d'orange automatically categorizes a breast tumor as **T4b**. * **Inflammatory Breast Cancer:** If peau d'orange involves more than one-third of the breast skin, it is clinically diagnosed as Inflammatory Breast Cancer (**T4d**), which carries a poorer prognosis. * **Differential Diagnosis:** While most commonly associated with malignancy, peau d'orange can occasionally be seen in severe mastitis or breast abscesses due to inflammatory lymphatic obstruction. * **Management:** True inflammatory breast cancer (T4d) is managed with **Neoadjuvant Chemotherapy (NACT)** followed by surgery, rather than primary surgery.

Question 213: Which diagnostic modality is best for evaluating a breast lump?

A. Fine Needle Aspiration Cytology (FNAC) (Correct Answer)
B. Bilateral Mammography
C. Ultrasonography (USG)
D. Contrast-Enhanced Computed Tomography (CECT) of the breast

Explanation: **Explanation:** The evaluation of a breast lump follows the **Triple Assessment** protocol, which consists of clinical examination, imaging, and pathological assessment. While imaging identifies the nature of the lesion, **Fine Needle Aspiration Cytology (FNAC)** or Core Needle Biopsy provides the definitive cytological/histological diagnosis necessary to differentiate between benign and malignant lesions. * **Why FNAC is the correct answer:** In the context of standard NEET-PG questions regarding the "best" diagnostic modality for a lump, FNAC is prioritized because it offers a tissue diagnosis with high sensitivity (80-98%) and specificity. It is quick, cost-effective, and minimally invasive. Note: While Core Needle Biopsy is now preferred in clinical practice for architectural details, FNAC remains a classic correct answer for initial pathological evaluation in many exam scenarios. **Analysis of Incorrect Options:** * **Bilateral Mammography:** This is the gold standard for **screening** and evaluating microcalcifications, but it cannot provide a definitive diagnosis of malignancy on its own. It is less effective in young women with dense breast tissue. * **Ultrasonography (USG):** This is the investigation of choice for women **under 30 years** or to differentiate between cystic and solid lesions. It is an adjunct, not a definitive diagnostic tool. * **CECT Breast:** CECT is not a primary diagnostic tool for breast lumps. It is generally reserved for staging (evaluating chest wall involvement or distant metastasis). **Clinical Pearls for NEET-PG:** * **Triple Assessment:** If all three components (Clinical, Imaging, Pathology) are concordant, the accuracy exceeds 99%. * **Age Cut-off:** For a breast lump, use **USG if <30 years** and **Mammography if >30 years**. * **Investigation of Choice for Screening:** Mammography (specifically Digital Mammography). * **Investigation of Choice for Breast Implants/High Risk:** MRI.

Question 214: Recurrent periductal mastitis is also known as which of the following?

A. Mondor's disease
B. Zuska's disease (Correct Answer)
C. Cooper's disease
D. Schimmelbusch's disease

Explanation: **Explanation:** **Zuska’s disease**, also known as **Recurrent Periductal Mastitis** or Squamous Metaplasia of Lactiferous Ducts (SMOLD), is a condition characterized by a triad of draining subareolar abscesses, chronic inflammation, and mammary duct fistulae. The underlying pathophysiology involves **squamous metaplasia** of the cuboidal epithelium lining the lactiferous ducts. This leads to keratin plug formation, ductal obstruction, and subsequent rupture into the surrounding stroma, causing recurrent infections and fistula formation. It is strongly associated with **smoking**, which is a high-yield risk factor for NEET-PG. **Analysis of Incorrect Options:** * **Mondor’s Disease:** This is a superficial thrombophlebitis of the breast veins (usually the lateral thoracic or thoracoepigastric veins). It presents as a palpable, painful "cord-like" structure. * **Cooper’s Disease:** This refers to "Chronic Cystic Mastitis" or benign disorders of the breast related to the suspensory ligaments of Cooper; it is an archaic term not synonymous with periductal mastitis. * **Schimmelbusch’s Disease:** An older term for **Fibrocystic Breast Disease**, characterized by cysts, fibrosis, and epithelial hyperplasia, rather than a primary inflammatory/infectious process. **Clinical Pearls for NEET-PG:** * **Strongest Risk Factor:** Cigarette smoking (causes vitamin A deficiency/metaplasia). * **Management:** Antibiotics (covering anaerobes) for acute phases; however, the definitive treatment is the **Hadfield’s procedure** (Total excision of the major duct system). * **Differential Diagnosis:** Must be distinguished from a subareolar abscess; Zuska's is specifically recurrent and associated with fistulae.

Question 215: True about breast cancer in pregnancy?

A. Occurs in 1 of every 3000 pregnant women
B. Most common non-gynecologic malignancy associated with pregnancy
C. Ductal carcinoma is the most common type, accounting for 75-90% of breast cancer in pregnancy
D. All of the above (Correct Answer)

Explanation: **Explanation:** Breast cancer is the most common non-gynecologic malignancy encountered during pregnancy. Understanding its epidemiology and pathology is crucial for NEET-PG. * **Option A (Incidence):** Pregnancy-associated breast cancer (PABC) is defined as breast cancer diagnosed during pregnancy or within one year postpartum. It occurs in approximately **1 in 3,000 to 1 in 10,000 pregnancies**. * **Option B (Prevalence):** While cervical cancer is a common gynecologic malignancy in pregnancy, **breast cancer** holds the title for the most frequent **non-gynecologic** malignancy associated with the gestational period. * **Option C (Histology):** The histological distribution of PABC is similar to that in non-pregnant women of the same age. **Infiltrating Ductal Carcinoma (IDC)** is the predominant subtype, accounting for **75–90%** of cases. These tumors are often high-grade, hormone receptor-negative (ER/PR negative), and frequently overexpress HER2/neu. **Clinical Pearls for NEET-PG:** 1. **Diagnosis:** Ultrasound is the initial imaging modality of choice. Mammography with fetal shielding is safe but has decreased sensitivity due to increased breast density during pregnancy. 2. **Biopsy:** Core needle biopsy is the gold standard for diagnosis. 3. **Treatment:** * **Surgery** (MRM or BCS) is safe in all trimesters. * **Chemotherapy** (FAC/CAF regimens) is contraindicated in the 1st trimester (teratogenic) but relatively safe in the 2nd and 3rd trimesters. * **Radiotherapy and Tamoxifen** are strictly contraindicated throughout pregnancy and should be deferred until after delivery. 4. **Prognosis:** Stage-for-stage, the prognosis is similar to non-pregnant women; however, PABC often presents at an advanced stage due to physiological breast changes masking the lumps.

Question 216: Danazol is used in the treatment of:

A. Cyclical mastalgia (Correct Answer)
B. Breast cyst
C. Non-cyclical mastalgia
D. Epithelial changes in breast

Explanation: **Explanation:** **Danazol** is a synthetic steroid and a derivative of ethisterone that acts as a weak androgen and a gonadotropin inhibitor. It is considered a highly effective pharmacological treatment for **Cyclical Mastalgia** (breast pain associated with the menstrual cycle). 1. **Why Option A is Correct:** Cyclical mastalgia is often linked to the hormonal fluctuations of the luteal phase. Danazol works by suppressing the pituitary-ovarian axis (inhibiting LH and FSH surges), which leads to a decrease in estrogen and progesterone levels. This hormonal stabilization reduces breast engorgement and pain. It is typically reserved for patients who do not respond to first-line measures like supportive bras or NSAIDs. 2. **Why Other Options are Incorrect:** * **B. Breast Cyst:** Simple cysts are managed by aspiration (if symptomatic) or observation. Hormonal therapy like Danazol does not resolve the anatomical structure of a cyst. * **C. Non-cyclical Mastalgia:** This pain is usually localized and unrelated to the menstrual cycle (often musculoskeletal or due to costochondritis). It responds poorly to hormonal manipulation and is better managed with analgesics or trigger-point injections. * **D. Epithelial changes:** These are pathological/histological alterations (like hyperplasia). While hormones influence breast tissue, Danazol is not a primary treatment for reversing these cellular changes. **Clinical Pearls for NEET-PG:** * **Side Effects:** Danazol is limited by its androgenic side effects, including weight gain, acne, hirsutism, and deepening of the voice. * **Dosage:** For mastalgia, it is often given in a low-dose "luteal phase" regimen to minimize side effects. * **Other Drugs for Mastalgia:** Tamoxifen (often more effective but carries risks of DVT/endometrial hyperplasia) and Evening Primrose Oil (Gamolenic acid). * **Contraindication:** It must be avoided in pregnancy due to potential virilization of a female fetus.

Question 217: Retromammary abscess arises from which of the following?

A. Tuberculous rib
B. Infected hematoma
C. Chronic empyema
D. All of the above (Correct Answer)

Explanation: **Explanation:** A **retromammary abscess** is a collection of pus located in the potential space between the posterior capsule of the breast and the pectoralis major muscle (the retromammary space). Unlike intramammary abscesses, which typically arise from lactational mastitis, retromammary abscesses usually originate from structures deep to the breast tissue. **Why "All of the above" is correct:** The retromammary space can become infected through the direct extension of pathology from the chest wall or underlying pleura: * **Tuberculous rib (Option A):** Tuberculosis of the rib or costal cartilage can lead to a "cold abscess" that tracks forward into the retromammary space. * **Infected hematoma (Option B):** Trauma or surgery can lead to blood collection in this potential space. If this hematoma becomes secondarily infected (e.g., via lymphatic or hematogenous spread), it forms an abscess. * **Chronic empyema (Option C):** Pus from a chronic pleural infection (empyema necessitans) can occasionally erode through the intercostal muscles and present as a swelling in the retromammary area. **Clinical Pearls for NEET-PG:** * **Clinical Presentation:** Unlike acute intramammary abscesses, a retromammary abscess typically pushes the entire breast forward (**"breast on a pedestal"** appearance) rather than causing localized skin erythema. * **Differential Diagnosis:** It is crucial to differentiate this from a deep intramammary abscess. * **Surgical Management:** The preferred treatment is incision and drainage via a **Gaillard-Thomas (submammary) incision**, which ensures dependent drainage and a superior cosmetic outcome. * **High-Yield Fact:** If the cause is a tuberculous rib, the underlying bone pathology must be addressed to prevent recurrence or sinus formation.

Question 218: A 29-year-old woman presents with a recurrent right breast lump noticed 4 months ago. Initial aspirations with negative cytology were followed by recurrence. Examination reveals a 4 cm cystic lesion at 10 o'clock, approximately 4 cm from the areola, confirmed by ultrasound. What is the most appropriate next step in management?

A. Mammography in 1 year
B. Ultrasound in 1 year
C. Tamoxifen therapy
D. Open biopsy (Correct Answer)

Explanation: **Explanation:** The management of a breast cyst follows a specific algorithm. While simple cysts are typically managed with Fine Needle Aspiration (FNA), certain "red flags" necessitate a definitive tissue diagnosis via **open biopsy** (excisional biopsy). **Why Open Biopsy is the Correct Choice:** In this patient, the primary indication for open biopsy is **recurrence**. A cyst that recurs multiple times (usually defined as more than twice) or fails to resolve after aspiration must be surgically excised to rule out an underlying intracystic neoplasm or malignancy that was missed by cytology. Other indications for biopsy include bloody aspirate or a residual solid mass post-aspiration. **Analysis of Incorrect Options:** * **A & B (Mammography/Ultrasound in 1 year):** These represent a "wait and watch" approach. In a 29-year-old with a recurrent symptomatic mass, delayed imaging is inappropriate as it risks missing a malignancy. Furthermore, mammography is less sensitive in younger women due to dense breast tissue. * **C (Tamoxifen therapy):** Tamoxifen is used for hormone-receptor-positive breast cancer or severe mastalgia. It has no role in the primary management of a recurrent cystic breast lump. **High-Yield Clinical Pearls for NEET-PG:** * **Triple Assessment:** Includes clinical examination, imaging (USG <30 years; Mammography >30 years), and pathology (FNAC/Core Biopsy). * **Cyst Aspiration Rules:** If the fluid is straw-colored and the mass disappears completely, no further workup is needed. If the fluid is **bloody**, the cyst **recurs**, or a **residual mass** remains, proceed to biopsy. * **Most common cause of breast lumps** in women aged 30–50 is fibrocystic change. * **Investigation of choice** for a woman under 30 with a breast lump is **Ultrasound**.

Question 219: Which of the following statements about breast carcinoma in males is NOT true?

A. It often presents at an advanced stage at the time of diagnosis.
B. It is associated with gynecomastia.
C. Its staging is different than in females. (Correct Answer)
D. Tamoxifen is used in its treatment.

Explanation: **Explanation:** Male breast cancer is a rare malignancy, accounting for less than 1% of all breast cancers. The correct answer is **C** because the **TNM staging for breast carcinoma in males is identical to that in females.** The anatomical boundaries and lymphatic drainage patterns are the same, thus the same criteria for tumor size (T), nodal involvement (N), and metastasis (M) are applied. **Analysis of Options:** * **Option A (Advanced Stage):** This is a **true** statement. Due to a lack of screening programs and a low index of suspicion, males often present late with skin involvement or nipple retraction. Furthermore, the lack of breast tissue allows for early invasion of the pectoralis major muscle. * **Option B (Gynecomastia):** This is a **true** statement. While most cases are idiopathic, there is a known association between gynecomastia and male breast cancer, particularly in conditions involving estrogen/androgen imbalance (e.g., Klinefelter syndrome, liver cirrhosis). * **Option D (Tamoxifen):** This is a **true** statement. Approximately 90% of male breast cancers are Estrogen Receptor (ER) positive. Therefore, hormonal therapy with Tamoxifen is the gold standard for adjuvant treatment. **NEET-PG High-Yield Pearls:** * **Most common type:** Invasive Ductal Carcinoma (NOS) is the most common histological subtype. Lobular carcinoma is extremely rare in men due to the absence of acini. * **Genetic Risk:** The strongest risk factor is **BRCA2 mutation** (more common than BRCA1 in males) and **Klinefelter Syndrome (47, XXY)**. * **Clinical Presentation:** Usually presents as a painless, firm subareolar mass. * **Treatment:** Modified Radical Mastectomy (MRM) is the standard surgical approach.

Question 220: What is the most common presenting symptom of fibroadenosis?

A. Pain (Correct Answer)
B. Discharge from nipple
C. Non-tender lump in the breast
D. Mass

Explanation: **Explanation:** **Fibroadenosis**, also known as **Fibrocystic Change (FCC)** or ANDI (Aberrations of Normal Development and Involution), is the most common benign condition of the breast in women of reproductive age (typically 25–45 years). **1. Why Pain is the Correct Answer:** The hallmark of fibroadenosis is **mastalgia** (breast pain). This pain is characteristically **cyclical**, occurring or worsening during the luteal phase (premenstrual) due to hormonal fluctuations (estrogen excess or progesterone deficiency). The pain is often associated with a generalized "heaviness" or "fullness" of the breasts. **2. Why Other Options are Incorrect:** * **Discharge from nipple:** While nipple discharge (serous or greenish) can occur in fibrocystic disease, it is less common than pain. Spontaneous discharge is more characteristic of intraductal papilloma or duct ectasia. * **Non-tender lump:** Fibroadenosis typically presents with **tender**, ill-defined "lumpiness" rather than a discrete non-tender mass. A painless, firm, mobile lump is the classic presentation of a **Fibroadenoma** (the "breast mouse"). * **Mass:** In fibroadenosis, the "mass" is usually a vague, diffuse area of nodularity (often in the upper outer quadrant) rather than a distinct, solitary surgical mass. **Clinical Pearls for NEET-PG:** * **Most common benign breast lesion:** Fibroadenosis (FCC). * **Most common benign breast tumor:** Fibroadenoma. * **Management:** Reassurance, well-fitted sports bras, and occasionally Evening Primrose Oil or Danazol for severe symptoms. * **Histology:** Look for a triad of cysts (blue-domed cysts), fibrosis, and adenosis. Only the presence of **atypical hyperplasia** increases the risk of future breast cancer.

Practice by Chapter

Breast Anatomy and Physiology

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Benign Breast Diseases

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Breast Cancer Screening

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Breast Cancer: Diagnosis and Staging

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Surgical Management of Breast Cancer

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Oncoplastic Breast Surgery

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Sentinel Lymph Node Biopsy

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Axillary Surgery

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Breast Reconstruction Techniques

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Male Breast Disorders

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Phyllodes Tumors

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Management of Ductal Carcinoma In Situ

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