mucinous carcinoma of the breast

{{Infobox medical condition (new)

|name = Mucinous carcinoma of the breast

|synonym = Colloid carcinoma of the breast

|image = Histopathology of mucinous invasive ductal carcinoma of the breast.jpg

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|caption = Gross pathology (upper left) of biopsies of mucinous carcinoma shows gelatinous areas. Histopathology shows clusters or nests of tumor cells floating in pools of extracellular mucin.{{cite web|url=https://www.pathologyoutlines.com/topic/breastmalignantmucinous.html|title=Breast - Other carcinoma subtypes, WHO classified - Mucinous|author=Carissa LaBoy, M.D., Kalliopi P. Siziopikou, M.D., Ph.D.|website=Pathology Outlines}} Topic Completed: 23 February 2021. Minor changes: 23 February 2021

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|specialty = Oncology, Breast surgery

|symptoms = Colloid carcinoma, gelatinous carcinoma, mucoid carcinoma, mucinous adenocarcinoma

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File:Pie chart of incidence and prognosis of histopathologic breast cancer types.png

Mucinous carcinoma of the breast is a form of mucinous carcinoma and a breast cancer type. It is a rare form of breast cancer that accounts for 2% of breast carcinomas and most commonly occurs in postmenopausal women over 70 years old.{{Citation |last=Limaiem |first=Faten |title=Mucinous Breast Carcinoma |date=2024 |work=StatPearls |url=http://www.ncbi.nlm.nih.gov/books/NBK538334/ |access-date=2024-06-15 |place=Treasure Island (FL) |publisher=StatPearls Publishing |pmid=30855918 |last2=Ahmad |first2=Faran}} Rare cases of this carcinoma have been diagnosed in men (see male breast cancer).{{cite journal | vauthors = Nofal MN, Yousef AJ | title = The diagnosis of male breast cancer | journal = The Netherlands Journal of Medicine | volume = 77 | issue = 10 | pages = 356–359 | date = December 2019 | pmid = 31880271 | doi = | url = }}