Tumor characteristics of ductal carcinoma in situ of breast visualized on [F-18] fluorodeoxyglucose-positron emission tomography/computed tomography: Results from a retrospective study

Table 1 Patients’ clinicopathological characteristics

Clinical characteristics		n	Pathological characteristics		n
Symptomatic presentation	Y/N	13/39	Comedo necrosis	Y/N	22/30
Palpability	Y/N	15/37	ER	Y/N	42/10
Biopsy device	CNB/VAB	20/32	PgR	Y/N	38/14
Image guidance	US/ST	45/7	HER2	Y/N	22/30
Calcification at MG	Y/N	27/25	Nuclear grade	1/2/3	42/82
Mass formation at MRI	Mass	8	Tumor size at pathology	Mean ± SD, range	41.4 ± 32.3, 1-150
	Non mass	42		< 20 mm	15
	Undetectable	2		≥ 20 mm	37
Lesion size at MRI	Mean ± SD, range	31.7 ± 20.0, 0-80.0
	< 20 mm	18
	≥ 20 mm	34

MG: Mammography; MRI: Magnetic resonance imaging; CNB: Core-needle biopsy; VAB: Vacuum-assisted biopsy; US: Ultrasonographic; ST: Stereotactic; ER: Estrogen receptor; PgR: Progesterone receptor; HER: Human epidermal growth factor receptor.