clinical presentation

Last reviewed 06/2023

Breast cancer may be asymptomatic, occurring as an impalpable lesion on screening mammogram. (Upto 70% of important mammographic lesions are impalpable)

In other cases, patients may present with:

  • palpable breast lump:
    • 40-50% in the upper outer quadrant
    • 70-80% scirrhous i.e. hard and encapsulated
    • may be tethered to superficial or deep structures
    • does not fluctuate or transilluminate
    • 15-40% multicentric
    • bilateral in up to 30% of cases of lobular carcinoma
    • frequently, patient detected

  • skin changes:
    • dimpling
    • peau d'orange
    • nipple "eczema" in Paget's
    • visible lump
    • surface ulceration; neglected carcinoma in elderly

  • recent nipple inversion

  • bloodstained nipple discharge - uncommon

  • non-cyclic breast pain - usually, a late sign

  • disseminated disease:
    • bone pain, pathological fracture
    • dyspnoea, pleural effusion
    • hepatomegaly, jaundice