Table 1

Responses to case-based scenarios

RecommendationGroup; no. (%)p value
Total (n = 41)Surgeons (n = 19)Radiologists (n = 22)
Case 1: cLCIS0.58
The biopsy is concordant. Recommend follow-up unilateral mammogram in 6 mo5 (12.2)2 (10.5)3 (13.6)
The biopsy is concordant. Recommend localized lumpectomy of the biopsy site18 (43.9)10 (52.6)8 (36.4)
The biopsy is concordant. Recommend referral to a high-risk breast clinic to discuss risk-reduction strategies16 (39.0)6 (31.6)10 (45.4)
The biopsy is discordant. Recommend either re-biopsy or surgical excision1 (2.4)1 (5.3)0
Other1 (2.4)01 (4.6)
Case 2: ADH0.49
Follow-up unilateral mammogram in 6 mo9 (22.0)6 (31.6)3 (13.6)
Localized lumpectomy of the biopsy site23 (56.1)10 (52.6)13 (59.1)
Referral to a high-risk breast clinic to discuss risk-reduction strategies8 (19.5)3 (15.8)5 (22.7)
Other1 (2.4)01 (4.6)
Case 3: radial scar0.53
The biopsy is concordant. Recommend localized lumpectomy of the biopsy site27 (65.8)11 (57.9)16 (72.3)
The biopsy is concordant. Recommend vacuum-assisted excision of the residual mass1 (2.4)1 (5.3)0
The biopsy is concordant. Recommended follow-up unilateral mammogram in 6 mo6 (14.6)4 (21.0)2 (9.1)
The biopsy is discordant. Recommend either re-biopsy or surgical excision7 (17.1)3 (15.8)4 (18.2)
Case 4: papilloma without atypia0.34
Follow-up unilateral mammogram and ultrasound in 6 mo20 (48.8)12 (63.2)8 (36.4)
Localized lumpectomy of the biopsy site11 (26.8)4 (21.0)7 (31.8)
Routine annual screening mammogram in 12 mo8 (19.5)3 (15.8)5 (22.7)
Other2 (4.9)02 (9.1)
Case 5: FEA0.08
The biopsy is concordant. Recommend localized lumpectomy of the biopsy site19 (46.3)12 (63.2)7 (31.8)
The biopsy is concordant. Recommended follow-up unilateral mammogram in 6 mo20 (48.8)7 (36.8)13 (59.1)
The biopsy is discordant. Recommend either re-biopsy or surgical excision2 (4.9)02 (9.1)

  • ADH = atypical ductal hyperplasia; cLCIS = classical lobular carcinoma in situ; FEA = flat epithelial atypia.