What is the appropriate evaluation and management for a 57-year-old woman with right-sided chest and axillary pain, worsened by palpation and arm movement, after breast reconstruction with mesh placed two years ago?

Evaluation and Management of Post-Reconstruction Chest and Axillary Pain

This patient requires urgent clinical evaluation with targeted imaging to exclude serious complications including infection, mesh-related complications, implant capsule formation, and cancer recurrence, followed by referral to her reconstructive surgeon.

Immediate Clinical Assessment

The presentation of focal, reproducible pain worsened by palpation and arm movement 2 years post-reconstruction represents noncyclical breast pain requiring additional evaluation to exclude underlying pathology 1. This is particularly critical given:

• Postsurgical pain can result from multiple etiologies: scar pain, nerve regeneration, focal nerve injury from ischemia, lymphedema, or implant capsule formation 1
• Mesh/acellular matrix placement increases risk of seroma formation and can cause chronic inflammatory responses 2
• Cancer recurrence occurs in 2-15% of reconstructed breasts, with the majority in skin/subcutaneous tissues or deep to the pectoralis muscle 2

Key Clinical Features to Assess

Look specifically for:

• Signs of infection: erythema, warmth, induration, fever (mastitis or abscess can present as focal pain) 1
• Palpable masses or nodules: may indicate fat necrosis, seroma, or recurrence 2
• Chest wall involvement: reproducible pain with specific movements suggests musculoskeletal or nerve entrapment 1
• Axillary adenopathy: critical to exclude nodal recurrence 3

Imaging Strategy

Initial Imaging (Usually Appropriate)

1. Mammography or Digital Breast Tomosynthesis (DBT) 2

• Essential first step for evaluating symptomatic concerns post-reconstruction
• Can detect recurrence in residual breast tissue

2. Ultrasound of the Affected Breast and Axilla 3

• Highly sensitive (71%) for detecting nodal disease 3
• Excellent for evaluating fluid collections (seroma, abscess)
• Can assess mesh integrity and surrounding soft tissues
• Loss of fatty hilum in axillary nodes warrants biopsy 3

Additional Imaging if Initial Studies Are Negative

CT Chest with IV Contrast 3, 4

• Superior for evaluating chest wall complications
• Can assess mesh position, fluid collections, and chest wall involvement
• Useful for detecting deep infections or inflammatory processes 4

MRI Chest (if malignancy suspected) 4

• Superior to CT for detecting residual or recurrent tumor after reconstruction 4
• T1-weighted fat-suppressed sequences with gadolinium are optimal 4

Differential Diagnosis Priority

High-Risk Conditions to Exclude First:

1. Infection/Abscess - Can be life-threatening if involving mesh 5
2. Cancer Recurrence - Annual risk 1-2%, peaks in year 2 2, 3
3. Mesh-related complications - Seroma, capsular contracture, implant malposition 5

Other Considerations:

1. Nerve injury/entrapment - Intercostal nerves T3-T5 supply the breast; irritation causes focal pain 1, 6
2. Capsular contracture - Common with subpectoral implants 1
3. Musculoskeletal pain - Pectoral muscle strain, costochondritis 1

Management Algorithm

If Imaging Shows:

Fluid Collection/Seroma:

• US-guided aspiration for diagnosis and symptom relief
• Culture if infection suspected
• Surgical referral if recurrent or infected

Suspicious Mass/Nodule:

• Image-guided biopsy mandatory 2
• Cannot exclude malignancy without tissue diagnosis

Mesh Complications:

• Reconstructive surgeon evaluation
• May require mesh removal/revision

Normal Imaging:

• Consider neuropathic pain (post-breast surgery pain syndrome affects 20-60% of patients) 7
• Trial of neuropathic pain medications
• Physical therapy for range of motion
• Pain management referral if persistent

Critical Pitfalls to Avoid

1. Do not dismiss focal, reproducible pain as "normal post-surgical pain" at 2 years - This presentation warrants investigation 1

2. Do not rely on clinical exam alone - Recurrence can occur without palpable findings; imaging is mandatory 2

3. Do not delay evaluation - Infections involving mesh can rapidly progress; early recurrence detection improves outcomes 3, 5

4. Do not forget axillary evaluation - Axillary recurrence can occur independently of chest wall disease 3

Immediate Actions

• Refer to reconstructive surgeon within 1-2 weeks for clinical evaluation
• Order mammography/DBT and targeted ultrasound of right breast and axilla
• Consider empiric NSAIDs for symptomatic relief while awaiting evaluation
• Document arm range of motion - Significant limitation may indicate capsular contracture or nerve injury 8

The combination of focal pain, movement limitation, and mesh placement creates a clinical scenario requiring systematic exclusion of serious complications before attributing symptoms to benign postoperative changes 2, 1.