Yi-Chien Hsieh, MDResident, Department of RadiologyWan Fang HospitalTaipei Medical University

Case 1

CASE 1

INFLAMMATION OR REPAIR

Case 2

CASE 2

BREAST, UPPER MEDIAL, LEFT, INCISIONAL BIOPSY,

ACUTE AND CHRONIC MASTITIS

Case 3

CASE 3

BREAST, RIGHT, PARTIAL MASTECTOMY, DUCTAL CARCINOMA IN SITU

Case 4

CASE 4

BREAST, UPPER OUTER QUADRANT, RIGHT,

EXCISIONAL BIOPSY, DUCTAL CARCINOMA IN

SITU

Case 5

CASE 5

FIBROADENOMA

Case 6

CASE 6

BREAST, LEFT, CORE BIOPSY, INVASIVE

DUCTAL CARCINOMA

Case 7

CASE 7

MAMMARY DUCT ECTASIA =

SECRETORY DISEASE OF BREAST

Multiple often bilateral dense round / oval calcifications with lucent center + polarity (toward nipple)

Intraductal uniform linear, often "niddle-shaped" calcification of wide caliber, occasionally branching (within ducts / confined to duct walls)

Case 8Right breast palpable nodule for 1 weekDiagnosis and BIRADS-Category ?

CASE 8

HAMARTOMA OR FIBROADENOLIPOMA

IN RUOQ

Normal / dysplastic mammary tissue composed of dense fibrous tissue + variable amount of fat

Round/ovoid well-cirumscribed mass usually > 3cm

Thin smooth pseudocapsule (= thin layer of surrounding fibrous tissue)

Radiology Review Manual, 5th edition, LWW

Normal / dysplastic mammary tissue composed of dense fibrous tissue + variable amount of fat

Round/ovoid well-cirumscribed mass usually > 3cm

Thin smooth pseudocapsule (= thin layer of surrounding fibrous tissue)

Radiology Review Manual, 5th edition, LWW

Bilateral benign ductal secretory disease

BIRADS category 2 (F/U after 1 year)

IPMN or IPMT (Intraductal Papillary Mucinous Neoplasm) of pancrease