Keywords:
Pathology, Neoplasia, Education and training, Surgery, Diagnostic procedure, MR, Neuroradiology brain, Head and neck, CNS
Authors:
T. M. B. Da Conceiテァテ」o1, J. Quedi Araテコjo da Silva2, ソス. C. Martins Antunes 2, M. Muxfeldt Bianchin 2, J. テ」ila Duarte2; 1Porto Alegre, RS/BR, 2Porto Alegre/BR
DOI:
10.26044/ecr2019/C-1871
Conclusion
In this study,
we confirmed previous results of Smith et al [1],
showing that MRI ACP index can be used to predict pre-surgically PAMs consistency.
Our cut-off values were a little different being,
1.27 and 1.59.
In our series,
lower signal intensity on MRI T2-weighted was associated with fibrous tumors and correlated with neurosurgeon classification.
Concluding,
our study revealed the relationship between adenoma-to-cerebellar peduncle ratios and adenomas consistency. We showed that the adenoma- to-cerebellar peduncle ratio (ACP) is better than use the T2WI SI PAMs isolatedly to determine the consistency of PAMs.
In our study,
the ACP ratios < 1.3 had a high accuracy for predicting adenomas of fibrous consistency and ACP ratios > 1.6 had a high accuracy for predicting adenomas of soft consistency.
We hope that our study may contribute to the preoperative evaluation of these patients,
possibly improving decision making in PAM surgery,
improving medical care in these conditions.