Meanings of defined margins in English

In previously reported cases, most patients had ill- defined margins and usually bilateral, multiple lesions radiographically.

The soil and the river have no defined margins.

The swelling was cystic-to-firm in consistency, with ill- defined margins.

Although cortical destruction and the soft tissue lesion formation were rare, soft tissue masses had well- defined margins.

Study design: The current study describes a technique of cryoassisted hepatic resection that allows for controlled resection with well- defined margins.

Thickened walls indicate inflammation or cancerous tendency and patients with ill- defined margins, vascular involvement or lymphadenopathy atelectasis indicate malignant conversion.

Fewer than 40% of the lesions demonstrated calcification, and nearly 60% had well- defined margins.

On contrast-enhanced computed tomographic scans, the tumors are generally high attenuation (relative to muscle) and have either ill- or well- defined margins.

Background: Vitiligo is an acquired depigmentation of the skin characterized by white spots with well- defined margins, causing psychological stress in patients due to cosmetic concerns.

Chest computed tomography revealed a cavitary lesion with irregular edges in the right S10 and a nodular lesion with well- defined margins in the left S6.