Vitiligo-like depigmentation following neoadjuvant chemotherapy combined with pembrolizumab in early triple-negative breast cancer: a case report - Scorecard - MDSpire

Depigmentation resembling vitiligo after neoadjuvant chemotherapy and pembrolizumab in early-stage triple-negative breast cancer: a case study

  • By

  • Yinglei Deng

  • Dahua Mao

  • Shaogang Zhang

  • Jing Wang

  • July 20, 2026

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Clinical Scorecard: Depigmentation resembling vitiligo after neoadjuvant chemotherapy and pembrolizumab in early-stage triple-negative breast cancer: a case study

At a Glance

CategoryDetail
ConditionTriple-negative breast cancer (TNBC)
Key MechanismsCombination of immune checkpoint inhibitors with neoadjuvant chemotherapy
Target PopulationPatients with early-stage triple-negative breast cancer
Care SettingOncology treatment center

Key Highlights

  • Patient developed vitiligo-like depigmentation during pembrolizumab maintenance therapy.
  • Pathological complete response achieved after neoadjuvant chemotherapy with pembrolizumab.
  • Vitiligo-like changes were asymptomatic and did not interrupt immunotherapy.
  • Recognition of this manifestation may help avoid unnecessary treatment interruptions.
  • Further reports are needed to clarify the clinical significance of immune-related depigmentation.

Guideline-Based Recommendations

Diagnosis

  • Histopathological examination confirms invasive breast carcinoma.
  • Immunohistochemical analysis shows negativity for ER and PR, and absence of HER2 overexpression.

Management

  • Neoadjuvant chemotherapy with taxane and carboplatin in combination with pembrolizumab.

Monitoring & Follow-up

  • Serial imaging assessments to evaluate tumor response during treatment.

Risks

  • Potential for immune-related adverse events, including cutaneous manifestations.

Patient & Prescribing Data

Female patients with early-stage triple-negative breast cancer.

Pembrolizumab combined with chemotherapy improves pathological response rates.

Clinical Best Practices

  • Monitor for immune-related adverse events during immunotherapy.
  • Educate patients on potential cutaneous manifestations of treatment.

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