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Table 1 Reported cases

From: Metaplastic carcinoma of the breast and BRCA1 germline mutation: a case report and review

 

Age

Family history

BRCA1 mutation

Subtype

Pathological type

Rashid et al [5].

22

none

c.66_67

(E23fs)

TNBC

carcinosarcoma

Noel et al [6].

49

none

c.66dupA

(E23fs)

TNBC

adenosquamous carcinoma

Suspitsin et al [7].

35

mother 52 years

ovarian cancer

c.5266dupC

(Q1756fs)

TNBC

carcinosarcoma

Breuer et al [8].

25

two paternal aunts 40 years or younger breast cancer

c.181 T>G

(C61G)

TNBC

squamous cell carcinoma

Hamad et al [9].

54

none

(G511fs)

TNBC

osseous and chondroid metaplasia

our case

39

mother 39 years breast cancer, maternal grandmother 61 years ovarian cancer

c. 188 T>A

(L63*)

TNBC

chondroid metaplasia

  1. Five cases of metaplastic carcinoma of the breast with germline mutations in BRCA1 were reported. There were 2 cases of carcinosarcoma, 1 cases of osseous and chondroid metaplasia, 1 case of squamous cell carcinoma, and 1 case of adenosquamous carcinoma