spiculation


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

spiculation

(spĭk′yə-lā′shən)
n.
Formation into a spicule or spicules.
References in periodicals archive ?
66) Solid components may enlarge or collapse, may become denser, and spiculations often develop.
A partial nephrectomy was considered; however, given the spiculations extending from the mass on CT, it was felt that enucleation and clear margins may not have been technically feasible.
The technology of mammography favors detection of slowly growing cancers because of its focus on architectural distortions, spiculations, and calcifications that reflect regressive changes, while MRI technology detects angiogenic and protease activity that is biased toward biologically active disease, she said.
Sensitivity and Positive Predictive Value of Abnormal Breast Ultrasound Findings for Cancer Positive Predictive Sonographic Feature Sensitivity, % Value, % Microlobulations 92 50 Angular margins 90 59 Markedly hypoechoic 49 64 Duct extension 49 46 Taller-than-wide 48 74 Branch pattern 44 60 Calcifications 40 53 Spiculations 36 87 Thick echogenic halo 35 74 Acoustic shadow 35 62
Spiculations and pectoralis muscle/fascial involvement may not be apparent intraoperatively because the lesion may appear to be pushing on existing breast lobules without destroying or infiltrating tissue.