ESSR 2018 / P-0050
MRI characteristics of onychomatricoma
Congress: ESSR 2018
Poster No.: P-0050
Type: Scientific Poster
Keywords: Neoplasia, Diagnostic procedure, MR, Soft tissues / Skin, Musculoskeletal soft tissue
Authors: S. Eminian1, E. Pessis2, A. Buisson3, J.-L. Drapé4; 1Lausanne/CH, 2Saint-Denis/FR, 3Levallois-Perret/FR, 4Paris/FR

Methods and Materials

The MRI of 24 patients with 26 onychomatricomas of fingers or toes were reviewed by 2 independent readers in this retrospective and monocentric study for patients between 1994-2015. All patients included in the study had preoperative MRI on 1.5 or 3 Tesla and were then operated with histopathological diagnosis. The MRI sequences are T1, T2 (STIR, T2, Ciss) and T1 gadolinium Fatsat. MRI parameters were FOV=40mm, size of slice 2-3mm, matrix 256x256 or 192x192. The MRI coil was a loop of 4 cm. The proximal core of the tumor in the nail matrix and the distal component with filamentous expansions in the nail plate were separately analysed according to signal, size and morphology.



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