Dermal lymphatic space invasion→ breast pain with warm, swollen, erythematous skin around exaggerated hair follicles, ☆peau d’orange.
Poor prognosis (50% survival at 5 years). Often mistaken for mastitis or Paget disease. Usually ☆lacks a palpable mass.
"inflammatory" is a misnomer because the classic skin findings are not due to infection but are instead caused by cancerous cells obstructing lymphatic drainage after spreading to the dermal lymphatic spaces.
breast surgery
OBGY
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