Carcinoma adenoideo quístico de la mama: A propósito de un caso

objective: adenoid cystic breast carcinoma is rare variant occurring less than 1 %. the presentation of this case is related to the rarity of it, because the incidence of this tumor in the breast is 0.1 %. method: female patient, 56 years old, menarche: 15 years. iii pregnancy: ib, ip, ia. menopause: 2002. not receiving substitutive hormone therapy. no personal and family history of breast pathology. she came in august, 2007 for breast evaluation, physicalexamination:normal. mammography:breastwith moderate amount of fibroglandular tissue, nodular opacity in union of lower quadrants right breast. breast ultrasound: solid image, with regular edges, located at junction of lower quadrants right breast, measuring 6.1 mm x 7.1 mm x 7.0 mm, which corresponds with nodular mammographic opacity. discussion: mast logical evaluation class iv. histological evaluation of lesion, using the technique of microbiopsia ecoguide. pathology report: adenoid cystic carcinoma, nuclear grade ii. this atypical mitotic activity, stromal desmoplasia severe. immunohistochemistry: ck7 + (secretory cells), ck7/ck14 + (adenosquamous cell), type iv collagen. partial mastectomy was performed in oncology right after echolocate confirmation by imaging, margins cut more frozen sentinel node. with pathology report: adenoid cystic carcinoma of 0.7 cm. nuclear grade i, atypical mitotic activity, edge of surgical resection and additional margin free of injury. additional mammary pathology: fibrocystic status, ductal ectasia. a sentinel lymph node without evidence of malignancy; march 2009, the patient comes to control,where assessment is completed mast logical class iirf.