Accessory Breast Tissue in Pregnancy

Accessory Breast Tissue

DESCRIPTION A 36-year-old woman presents with significant pain and swelling over the left axillary area, which she reports worsened over the last 3 years. The tenderness becomes more prominent with her menstrual cycle. The patient denies any other changes in her breast.

Inflammatory breast cancer in accessory abdominal breast tissue

Accessory breast tissue results from failure of the embryologic mammary ridge, also known as the milk line, to involute. As a result, ectopic breast tissue can develop anywhere along this ridge, which extends from the axilla-the most common location-to the groin. Primary breast cancer in accessory breast tissue is uncommon but has been reported in multiple prior studies. We present a rare case ...

Accessory breast tissue in axilla masquerading as breast cancer recurrence.

Ectopic or accessory breast tissue is most commonly located in the axilla, though it may be present anywhere along the milk line. Development is hormone dependent, similar to normal breast tissue. These lesions do not warrant any intervention unless they produce discomfort, thus their identification and distinction from other breast pathologies, both benign and malignant, is essential. We repor...

Invasive lobular carcinoma arising in accessory breast tissue

BACKGROUND Lobular carcinoma in accessory breast tissue is a rare occurrence. We present such a case in a 61-year-old woman. CASE PRESENTATION A skin nodule in the axillary skin on excision biopsy revealed invasive lobular carcinoma. CONCLUSIONS Carcinoma in accessory breast tissue is uncommon especially invasive lobular type. A high index of suspicion may avoid late diagnosis.

Pseudoangiomatous stromal hyperplasia presenting as accessory axillary breast tissue