By Gary M. White, MD
Lupus mastitis (LM) is lupus profundus involving the fatty tissue of the breast.
- The mean age of diagnosis is about about 40 years of age.
- The ANA may be negative.
- Diagnosis is made histologically.
LM may present as a tender breast nodule, nodules or irregular induration. Patients may have typical cutaneous lupus lesions overlying or elsewhere. Skin biopsy should be deep enough to include fat.
See lupus profundus.
A 35-year-old female presented with hyperpigmented papules on right breast, face and limbs. She gave a history of asymptomatic swelling of breast of 5 years duration. Indian J Dermatol 2016;61:200-2
Lupus mastitis with calcification. JAAD November 2000 Volume 43, Issue 5, Part 1, Pages 733–754
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