Breast Surgery Practice Questions

Q: Inflammatory carcinoma of the breast is classified under which category?

T4d. ***T4d*** - **Inflammatory carcinoma of the breast** is specifically classified as **T4d** in the TNM staging system, regardless of tumor size. - This classification reflects its unique clinical presentation with **diffuse erythema, edema, and peau d'orange** (orange peel skin) due to lymphatic invasion [1]. *T4b* - **T4b** refers to breast cancer with clinically evident **edema, ulceration of the skin of the breast**, or satellite skin nodules in the same breast [2]. - While inflammatory carcinoma might have edema, the hallmark features of widespread erythema and lymphatic involvement distinguish T4d. *T4c* - **T4c** is used when a tumor exhibits **both T4a and T4b features**. - **T4a** involves chest wall fixation, and T4b involves skin edema/ulceration; neither specifically defines inflammatory breast cancer [2]. *T3* - **T3** classifies breast tumors larger than **5 cm in greatest dimension** but without features of T4. - Inflammatory breast cancer is defined by its characteristic skin changes and lymphatic involvement, not solely by tumor size. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 453-454. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Breast, p. 1068.

Q: A 30-year-old woman presents with blood-stained nipple discharge. What is the most likely diagnosis?

Ductal papilloma. ***Ductal papilloma*** - **Ductal papillomas** are benign lesions that commonly present with spontaneous, unilateral, bloody, or serosanguineous **nipple discharge**. - They arise from the epithelial lining of the mammary ducts and are the most frequent cause of **blood-stained nipple discharge** in women. *Breast abscess* - A breast abscess typically presents with a painful, tender, and **fluctuant breast mass**, often accompanied by signs of infection like **fever** and **erythema**. - Nipple discharge, if present, is usually purulent (pus-like) rather than blood-stained. *Fat necrosis of breast* - Fat necrosis usually follows **trauma or surgery** to the breast and presents as a **firm, often tender mass** with possible skin retraction or bruising. - It does not typically cause nipple discharge, especially not blood-stained discharge. *Fibroadenoma* - A **fibroadenoma** is a common benign breast tumor characterized by a **firm, movable, well-circumscribed, non-tender lump**. - It does not characteristically cause nipple discharge; blood-stained discharge is not a typical symptom.

Q: Breast cancer: What is the most important prognostic factor?

Lymph node status. ***Lymph node status*** - The presence and number of **axillary lymph node metastases** are the most significant predictors of breast cancer recurrence and overall survival. - Involvement of lymph nodes indicates a higher likelihood of **systemic disease** and distant metastasis. *Size of tumor* - While tumor size is an important prognostic factor, particularly for **smaller tumors**, its impact on prognosis is generally considered secondary to lymph node involvement. - Large tumors tend to have a worse prognosis than small ones, but even a small tumor with **positive lymph nodes** carries a higher risk than a larger tumor without nodal involvement. *Skin involvement* - **Skin involvement** (e.g., **ulceration, edema, or nodularity**) is a sign of locally advanced breast cancer. - It indicates a more aggressive tumor and a worse prognosis than tumors without skin involvement, but it is less critical than lymph node status in predicting overall survival. *Peau d'orange* - **Peau d'orange** (orange peel skin) is a clinical sign of **inflammatory breast cancer** or extensive lymphatic invasion. - It signifies a poor prognosis due to widespread lymphatic obstruction, but it is a manifestation of disease extent rather than an independent prognostic factor surpassing lymph node status.

Q: Dimpling in carcinoma of the breast is due to

Contraction of Cooper's ligaments. ***Contraction of Cooper's ligaments*** - **Dimpling** or **skin retraction** in breast carcinoma occurs when the tumor invades and shortens the **suspensory ligaments of Cooper**, pulling the overlying skin inward [1]. - These ligaments normally provide support to the breast tissue; their involvement by tumor tissue is a classic sign of breast cancer [1]. *Edema* - While significant **edema** can be associated with breast cancer (e.g., **peau d'orange**), it typically presents as generalized swelling and thickening of the skin, not focal dimpling [1]. - Edema results from **lymphatic obstruction**, causing fluid accumulation, rather than direct retraction [1]. *Subdermal lymphangitis* - **Subdermal lymphangitis** is an inflammation of the subcutaneous lymphatic vessels, often due to infection or occasionally malignancy. - It usually presents as red, tender streaks or diffuse thickening, not discrete skin dimpling. *Scarring* - **Scarring** within the breast tissue from previous surgery, trauma, or inflammation can cause skin retraction. - However, in the context of an unstated precipitating event and given "carcinoma," tumor invasion of **Cooper's ligaments** is the more direct and primary cause of dimpling. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 453-454.

Question 1

Inflammatory carcinoma of the breast is classified under which category?

Accepted Answer

T4d

Answer

T4b

Answer

T4c

Answer

T3

Question 2

A 30-year-old woman presents with blood-stained nipple discharge. What is the most likely diagnosis?

Accepted Answer

Ductal papilloma

Answer

Breast abscess

Answer

Fat necrosis of breast

Answer

Fibroadenoma

Question 3

Breast cancer: What is the most important prognostic factor?

Accepted Answer

Lymph node status

Answer

Size of tumor

Answer

Skin involvement

Answer

Peau d'orange

Question 4

Dimpling in carcinoma of the breast is due to

Accepted Answer

Contraction of Cooper's ligaments

Answer

Scarring

Answer

Edema

Answer

Subdermal lymphangitis

Question 5

A 30-year-old female presented with unilateral breast cancer associated with axillary lymph node enlargement. What is the further treatment plan following modified radical mastectomy?

Accepted Answer

Adriamycin based chemotherapy followed by tamoxifen depending on estrogen/progesterone receptor status

Answer

Observation and follow up

Answer

Adriamycin based chemotherapy only

Answer

Tamoxifen only

Breast Surgery — MCQs

Breast Surgery — MCQs

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