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Table 1 Radiological properties of the presented case compared to five considered differential diagnosesa

From: Atypical localization of intraosseous angioleiomyoma in the rib of a pediatric patient: a case report

  Demarcation Sclerotic rim T1W T2W T2WFS Calcification Postcontrast
Our patient case Well defined No Isointense to slightly hyperintense signal Hyperintense Hyperintense No Homogenous; Prominently enhanced
Fibrous dysplasia Well demarcated Yes Hypointense to isointense Hyperintense intermediate to high Yes Variable contrast enhancement (from mild to marked in degree)
Enchondroma Well defined No Hypointense Hyperintense Predominantly high signal Yes “Rim and arc” pattern
Ewing sarcoma Poorly defined No Hypointense to isointense Variable signal intensities Variable signal intensities No Heterogeneous; Prominently enhanced
Langerhans cell histiocytosis Well defined No Hypointense to isointense Hyperintense Hyperintense No Diffusely enhanced
Intraosseous hemangioma Well defined No Low to intermediate signal intensity (with regions of high signal) Hyperintense Hyperintense (with regions of low signal) No Heterogeneous Increased enhanced
Angioleiomyoma Well defined No Isointense to slightly hyperintense
signal
Hyperintense Hyperintense No Homogenous; Prominently enhanced
  1. aRadiological properties matching the presented patient case are marked in bold