Screening Colonoscopy Unmasking Colonic Metastasis from an Occult Breast Ductal Carcinoma: A Case Report and Review of the Literature

Table 1

Case reports of breast invasive ductal carcinomas with colonic metastases.

Reference	Age/sex	Receptor status	Other metastatic sites involved	Time from diagnosis	Treatment	Survival
Samo et al. [14]	76/F	ER+	Bone	4 years	Ileocecectomy with adjuvant chemotherapy cyclophosphamide and doxorubicin	NR
Shimonov and Rubin [15]	65/F	NR	None	2 years	Sigmoidectomy, post-op cisplatin, Adriamycin, and 5-fluorouracil x6	Alive at 46 months
	72/F	NR	None	6 years	Sigmoidectomy, not a candidate for adjuvant therapy	Died at 42 months
Koutsomanis et al. [16]	65/F	NR	None	4 years	Partial colectomy, post-op Endoxan, epirubicin, and 5-fluororacil	Alive at 36 months
Vaidya et al. [17]	56/F	ER-, PR-	None	5 years	Partial colectomy and post-op chemotherapy	NR
Uygun et al. [18]	43/F	ER-, PR+	Bone	3.5 years	Right hemicolectomy then 5-fluorouracil, Adriamycin, and cyclophosphamide x6	Alive at 7 months
Théraux et al. [19]	69/F	ER+, PR+, HER2-	Brain and lung	28 years	Partial colectomy and anastrozole	Alive at 12 months
Feng et al. [20]	49/F	NR	NR	2 years	NR	NR
Birla et al. [21]	72/F	ER-, PR equivocal, HER2-	None	3 years	Partial colectomy, did not tolerate chemotherapy	NR
Koleilat et al. [4]	54/M	ER+, PR+, HER2-	Chest wall	14 years	Subtotal colectomy then Taxotere and Xeloda	Alive at 10 months
Rajan et al. [22]	60/F	ER+, PR-, HER2-	Bone	21 years	Preoperative radiation then partial colectomy	NR
Hsieh et al. [5]	50/F	ER+, PR+, HER2+	None	16 years	Right hemicolectomy and ileotransversotomy followed by hormone therapy	Alive at 6 months
Horimoto et al. [23]	47/F	ER+, PR-, HER2-	None	5 years	Aromatase inhibitor	Alive at 12 months
Zhou et al. [24]	54/F	ER-, PR-, HER2-	None	9 years	Second line chemotherapy and endocrine Therapy	Alive at 12 months
Schellenberg et al. [25]	69/F	ER+, PR-, HER2-	Peritoneal carcinomatosis	2 years	Unclear	Died after 60 months
Katz et al. [26]	68/F	ER+, PR+, HER2+	Bone metastasis	15 years	Switched from letrozole to exemestane	NR
Michalopoulos et al. [27]	55/F	NR	None	4 years	Right hemicolectomy for stricture with postop chemotherapy	Alive at 36 months
Yokota et al. [28]	57/F	NR	Peritoneal carcinomatosis/ascites	10 years	Total colectomy for ascending colon stricture and peritoneal implant	NR
Taal et al. [29]	NR	NR	NR	NR	NR	NR
Jones et al. [30]	55/M	ER+, PR+, HER2-	Mediastinal and axillary lymph nodes	4 years	Switched from tamoxifen to anastrozole	NR
Murukutla et al. [31]	59/F	ER+, PR+, HER2-	None	1 year	NR	NR

F: female; M: male; NR: not reported; ER: estrogen receptor; PR: progesterone receptor; HER2: human receptor growth factor receptor.