Abstract
The breast is an uncommon site of metastasis. We report a case of bilateral metastasis of atypical pulmonal carcinoid in the breast. Review of the literature has demonstrated only a few cases of carcinoid metastatis in a single breast, but not bilateral. In spite of the rarity of this finding, the differential diagnosis between primary and metastatic carcinoid or malignant tumor of the breast at all, should be considered in view of the different management of these two settings. Immunohistology has proved a very helpful method in this field. Accurate diagnosis of breast metastasis is important to avoid unnecessary treatment.
Highlights
The breast is an uncommon site of metastasis
An adjuvant radiotherapy was performed for lymph node metastasis
The immunological features of lungcells, nodi metastasis and breast tumor were compared. This demonstrated positive results in all parameters typical for carcinoid tumor and negative results for ACTH and hCG. This description was compatible with multifocal metastasis of a carcinoid tumor
Summary
The breast is an uncommon site of metastasis. We report a case of bilateral metastasis of atypical pulmonal carcinoid in the breast. From the patients history: her mother died of breast cancer and she had a breast surgery for a fibroadenoma in 1993. An adjuvant radiotherapy was performed for lymph node metastasis. A follow-up after one year revealed a small metastatic tumor in the epigastrium. A 42-year-old woman, presented to the tumor bord for surgical treatment of bilateral lesions in the breast.
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