Primary acinic cell carcinoma of the breast: A case report and review of literature

Table 1 Summary of cases reported on characteristics of acinic cell carcinomas of the breast from 1996 to 2020

Characteristic	n (%)
Sex	64
Male	1 (1.6)
Female	63 (98.4)
Age	58
≤ 40	13 (22.4)
40-60	34 (58.6)
≥ 60	11 (19.0)
Tumor size (mm)	52
≤ 20	12 (23.1)
20-40	28 (53.8)
≥ 40	12 (23.1)
Site	40
Left	14 (35.0)
Right	26 (65.0)
Lymph node metastasis	38
Yes	9 (23.7)
No	29 (76.3)
Surgical approach	44
MRM + ALND	11 (25.0)
BCS + ALND	11 (25.0)
MRM	1 (2.2)
BCS	5 (11.4)
MRM + SLND	8 (18.2)
BCS + SLND	8 (18.2)
Adjuvant therapy	25
CT	6 (24.0)
Neo-CT	3 (12.0)
HT	2 (8.0)
RT	4 (16.0)
CT + RT	5 (20.0)
CT + HT	3 (12.0)
CT + RT + HT	2 (8.0)
Recurrences/metastasis	36
Yes	8 (22.2)
No	28 (77.8)
Status	36
Alive (NED)	33 (91.7)
Died (DWD)	3 (8.3)

MRM: Modified radical mastectomy; ALNA: Axillary lymph node dissection; BCS: Breast-conserving surgery; SLND: Sentinel lymph node dissection; CT: Chemotherapy; Neo-CT: Neoadjuvant chemotherapy; HT: Hormone therapy; RT: Radiation therapy; NED: No evidence of disease; DWD: Died with disease.