Centres Of Excellence
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OVERVIEW
Mastectomy surgery serves as a foundational intervention within surgical oncology for local disease control. The primary goal is complete surgical clearance of malignant breast tissue, minimizing local recurrence risks while facilitating accurate pathological staging. The procedure involves meticulous dissection of the mammary gland from the chest wall and overlaying skin, often performed alongside sentinel lymph node biopsy (SLNB) or axillary lymph node dissection (ALND). Modern surgical protocols integrate oncoplastic techniques and immediate or delayed breast reconstruction to optimize both oncological safety and cosmetic outcomes.
PROCEDURE
1. Administration of general anesthesia and insertion of intravenous lines and physiological monitoring equipment.
2. Surgical site preparation using standard antiseptic solutions and sterile drapes.
3. Skin incision planning based on tumor location, prior biopsy sites, and planned reconstruction strategy.
4. Creation of subcutaneous tissue flaps, separating skin and subcutaneous fat from underlying breast parenchyma.
5. Dissection of breast tissue off the pectoralis major muscle fascia from the clavicle superiorly to the rectus sheath inferiorly, and sternum medially to the latissimus dorsi border laterally.
6. Performance of sentinel lymph node biopsy using radioactive colloid, blue dye, or fluorescent tracer; or full axillary lymph node dissection if node-positive.
7. Hemostasis verification and copious wound irrigation.
8. Placement of closed-suction surgical drains (e.g., Jackson-Pratt drains) in the surgical bed.
9. Immediate reconstruction phase (if planned) using tissue expanders, silicone implants, or autologous tissue flaps.
10. Layered wound closure using absorbable sutures and application of sterile dressings or surgical garments.
BENEFITS
- High Local Disease Control: Provides comprehensive surgical removal of malignant tissue, significantly reducing local recurrence risks in extensive or multi-focal disease.
- Definitive Surgical Staging: Enables precise pathological examination of primary tumor margins and regional lymph nodes to guide adjuvant chemotherapy, endocrine therapy, or biological targeting.
- Radiation Avoidance: Allows select patients with early-stage disease to forgo adjuvant whole-breast radiotherapy when clinically appropriate.
- Risk Reduction: Reduces future breast cancer risk by up to 90–95% in individuals carrying pathogenic BRCA gene mutations.
- Reconstructive Versatility: Integrates with modern autologous or implant-based tissue reconstruction techniques to restore body contour.
RECOVERY
Immediate postoperative recovery (Days 1–14) focuses on wound healing, surgical drain management, and pain control. Surgical drains are typically removed within 1 to 2 weeks when daily fluid output drops below 30 mL. Short-term recovery (Weeks 2–6) involves gradual restoration of shoulder range of motion through guided physical therapy exercises, while avoiding heavy lifting (>10 lbs). Long-term recovery (Months 2–6) addresses tissue remodeling, nerve re-innervation, management of persistent discomfort, and complete return to baseline physical activities. Patients undergoing immediate autologous reconstruction may require an extended recovery timeline of 6 to 8 weeks.
WHAT WE TREAT
Mastectomy surgery is indicated for a broad spectrum of oncological conditions, including:
- Invasive ductal carcinoma and invasive lobular carcinoma
- Ductal carcinoma in situ (DCIS) with extensive microcalcifications or multi-focal presentation
- Multicentric breast cancer (tumors in multiple quadrants of the breast)
- Locally advanced or inflammatory breast cancer following neoadjuvant therapy
- Local recurrence following prior breast-conserving therapy (lumpectomy and radiation)
- Prophylactic risk reduction in individuals carrying high-risk genetic variants (e.g., BRCA1, BRCA2, PALB2, TP53 mutations)
- Male breast carcinoma
- Paget's disease of the nipple with underlying malignancy
PREPARATION
Pre-operative preparation for mastectomy surgery requires comprehensive physical and clinical evaluation:
- Diagnostic imaging verification, including recent bilateral mammograms, breast ultrasound, and MRI as indicated.
- Pathological confirmation via core needle biopsy results, receptor status (ER, PR, HER2), and genomic profiling if applicable.
- Multidisciplinary team consultation involving surgical oncologists, plastic surgeons, medical oncologists, and radiation oncologists.
- Pre-anesthetic evaluation, including blood counts, metabolic panels, coagulation profiles, electrocardiogram (ECG), and chest radiography.
- Medication reconciliation: Discontinuation of anti-platelet agents, nonsteroidal anti-inflammatory drugs (NSAIDs), and blood thinners 5 to 7 days prior to surgery under medical supervision.
- Smoking cessation for at least 4 weeks prior to surgery to minimize skin flap necrosis and wound healing complications.
- Fasting instructions: No solid food for 8 hours and clear liquids up to 2 hours prior to scheduled anesthesia.
RISKS
Mastectomy surgery carries potential short-term and long-term complications, categorized by severity:
Mild to Moderate (Common):
- Seroma formation (accumulation of lymphatic fluid beneath skin flaps)
- Hematoma (blood collection requiring aspiration or drainage)
- Surgical site pain and local tissue bruising
- Mild skin flap ischemia or delayed wound edge healing
Moderate to Severe (Uncommon):
- Surgical wound infection requiring systemic antibiotics or surgical debridement
- Full-thickness skin flap necrosis or nipple-areolar complex necrosis
- Persistent post-mastectomy pain syndrome (neuropathic chest wall pain)
- Axillary web syndrome (cording of lymphatic vessels causing arm tightness)
Severe / Long-Term (Rare):
- Lymphedema (chronic fluid retention and arm swelling due to lymph node removal)
- Deep vein thrombosis (DVT) or pulmonary embolism (PE)
- Major reconstructive failure, implant infection, or autologous flap loss
JOURNEY
The patient clinical journey begins with diagnostic workup, including mammography, ultrasound, magnetic resonance imaging (MRI), and core needle biopsy. Multidisciplinary tumor board review evaluates clinical staging and determines whether neoadjuvant therapy (pre-operative chemotherapy or targeted therapy) is indicated. Pre-operative preparation includes surgical consultations, risk assessment, and clear planning for potential reconstruction. On the day of surgery, general anesthesia is administered, followed by surgical excision of the breast tissue and axillary evaluation. Hospital recovery typically spans 24 to 48 hours for uncomplicated cases. Post-operative care includes drain management, wound monitoring, physical rehabilitation, pathologically directed adjuvant therapies, and long-term surveillance.
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