Juvenile fibroadenoma with atypical epithelial hyperplasia Journal Article


Authors: Mies, C.; Rosen, P. P.
Article Title: Juvenile fibroadenoma with atypical epithelial hyperplasia
Abstract: We studied 49 patients with fibroadenomas with severe atypical epithelial hyperplasia, sometimes suggestive of in situ carcinoma. The term 'juvenile fibroadenoma' (JFA) is recommended for these lesions, which occur mainly in adolescent and young women. Twenty-six cases (2%) were obtained through a review of 1,321 consecutive fibroadenomas and 23 were seen in consultation. The 49 patients ranged in age from 10-72 years (average 26 years); 50% were younger than 21 years. This age distribution was significantly lower than that of patients with adult FA (p < 0.001). Four patterns of atypical epithelial hyperplasia were observed: ductal-laciform, ductal-solid, cystic-papillary and lobular-terminal ductal. Forty-six patients were treated by excision only. Eight years was the average follow-up and 7 years the median follow-up for 28 (57%) patients followed for more than a year (range 1-19 years). Two patients aged 47 and 59 years at the time of diagnosis of JFA, subsequently developed carcinoma in the contralateral and ipsilateral breast, respectively; all others have remained well. Atypical epithelial proliferation in this setting should be interpreted conservatively. Long-term follow-up is recommended after excision of JFA.
Keywords: human cell; major clinical study; breast; histology; breast tumor; carcinoma in situ; diagnosis; fibroadenoma; therapy; epithelium hyperplasia; epithelium dysplasia; human; priority journal
Journal Title: American Journal of Surgical Pathology
Volume: 11
Issue: 3
ISSN: 0147-5185
Publisher: Lippincott Williams & Wilkins  
Date Published: 1987-03-01
Start Page: 184
End Page: 190
Language: English
DOI: 10.1097/00000478-198703000-00002
PUBMED: 3826478
PROVIDER: scopus
DOI/URL:
Notes: Article -- Export Date: 5 February 2021 -- Source: Scopus
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  1. Paul P Rosen
    201 Rosen
  2. Carolyn Mies
    13 Mies