Florid Lobular Carcinoma In Situ (F-LCIS) Showing Predominantly Hypoechoic Masses With Obscured Margins and No Attenuated Posterior Echoes on Ultrasound: A Case Report
Kasumi Arizumi, Shoji Oura · 2026
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Description
Kasumi Arizumi and Shoji Oura reported imaging findings in 2026 for florid lobular carcinoma in situ, a rare breast disorder with no established imaging pattern. A 63 year old woman was referred after screening mammography showed an uneven dense spot in the left breast. Ultrasound showed several round or oval masses with blurred edges, dark interiors, and no shadowing behind them.
MRI showed dark T1 signals, bright fat suppressed T2 signals, fast uptake with washout, and presumed ductal spread toward the nipple base. Core biopsy showed predominant lobular carcinoma in situ, leading to nipple sparing mastectomy and sentinel node surgery. The imaging pattern helps radiologists recognise this rare entity before surgery.
Catalog record
| CREATOR | Kasumi Arizumi, Shoji Oura |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 10 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |