Magnetic resonance imaging of cutis verticis gyrata
1Department of Radiology and Diagnostic Imaging, College of Medicine and King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia. alorainy@ksu.edu.sa
Objective:
To describe the magnetic resonance imaging (MRI) findings in cutis verticis gyrata (CVG) and familiarize the interpreters of neuroimaging studies with its characteristic appearance and intracranial and systemic associations.
Methods:
The MRI examinations of 12 patients (7 men and 5 women; age range, 16 to 66 years; mean, 40.3 years) with CVG were retrospectively evaluated for distribution, orientation, number of folds, and the associated intracranial or calvarial abnormalities.
Results:
Eleven patients had bilateral involvement. The number of folds was 3 to 8 (average, 6), and the direction was anterior-posterior (longitudinal) in 9 patients. Transverse and longitudinal folds coexisted in 3 patients. The subcutaneous tissues underneath CVG were thickened in all patients, whereas skin was thickened in 7. Intracranial abnormalities identified included meningioma, schwannoma, glioma, and prolactin-secreting pituitary microadenoma. There were no skull abnormalities.
Conclusions:
Cutis verticis gyrata CVG has a typical appearance on MRI characterized by scalp undulations due to thickening of the skin and subcutaneous tissues.
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