Sectra signs Petrimed

AuntMinnie.com staff writers

Oct 20, 2005

Swedish PACS and digital mammography vendor Sectra has inked a distribution agreement with Finnish digital radiology equipment provider Petrimed.

Under the terms of the deal, Petrimed of Turku will serve as a distributor for the Linköping-based vendor's MicroDose Mammography digital mammography system.

By AuntMinnie.com staff writers
October 21, 2005

Related Reading

Sectra notches digital mammo install, October 18, 2005

Sectra releases new PACS iteration, October 11, 2005

Sectra, Scanray sign distribution deal, September 27, 2005

Sectra adds U.S. distributor, September 16, 2005

Sectra, Kestral team up, September 12, 2005

Copyright © 2005 AuntMinnie.com

Images in a 70-year-old asymptomatic woman with a prior excisional biopsy in the left breast yielding lobular carcinoma in situ 3 years earlier. Screening contrast-enhanced mammography (CEM) was performed, which was considered a prevalence screen as the woman had no prior breast MRI in the past 3 years and no prior CEM. (A) Low-energy (26–30 kVp) mediolateral oblique (MLO) and (B) craniocaudal (CC) views show surgical clips but no abnormality. (C) Recombined MLO and (D) CC images show an enhancing mass in the medial left breast (arrows). Biopsy revealed invasive lobular carcinoma. Size was 0.2 cm; tumor grade II/III; negative lymph nodes; and estrogen receptor–positive, progesterone receptor–positive, and human epidermal growth factor receptor 2–negative.

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A normal mammogram confirmed by three-year radiologic follow-up illustrates reader-marked regions of interest (ROIs) during (A) unaided (round 1) and (B) artificial intelligence (AI)–assisted (round 2) reading. Each colored dot represents an ROI for recall by a human reader. Readers could mark more than one ROI per case, represented by multiple dots of the same color. During AI-assisted reading, the AI system displayed three visible prompts: two with suspicion of malignancy scores of 35% (left mediolateral oblique [L MLO] and craniocaudal [L CC]) and one with a suspicion of malignancy score of 10% (right craniocaudal [R CC]), shown as polygonal overlays. Without AI, six of 10 readers (60%) marked a false-positive ROI. With AI assistance, this fell to two of 10 (20%). R MLO = right mediolateral oblique.

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