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• Clinical Article •
Value of imaging examination in differential diagnosis of benign and malignant scalp space-occupying lesions
WANG Shuai  LIU Qiang  LI Qi  WANG Baijun  PAN Shinong 

Cite this article as: Wang S, Liu Q, Li Q, et al. Value of imaging examination in differential diagnosis of benign and malignant scalp space-occupying lesions. Chin J Magn Reson Imaging, 2019, 10(1): 23-30. DOI:10.12015/issn.1674-8034.2019.01.005.


[Abstract] Objective: To analyze the imaging and clinical features of scalp space-occupying lesions and to improve the diagnosis and differential diagnosis of scalp space-occupying lesions.Materials and Methods: Two hundred and ninety-four cases of scalp occupying lesions confirmed by pathology and having imaging data in the past five years were collected, which were observed its imaging and clinical manifestations, and the imaging and clinical features of scalp occupying lesions were verified and analyzed by statistical methods. Then analyzed the advantages and disadvantages of different imaging methods.Results: A total of 272 benign cases and 22 malignant cases were collected in this study. The mean age was (23.8±24.8) years (range 0—82 years). The scalp occupying lesions occurred in the parietal and occipital area (62.8%), with a single incidence (95.6%), there was no difference in the sex of the lesions. Most of the benign scalp occupying single (97.1%), regular shape (98.5%), small volume (<234 mm2), less adjacent skull destruction (94.1%) and intracranial invasion (99.6%); malignant scalp occupying multiple (18.2%), irregular shape (22.7%), large volume (>234 mm2), prone to adjacent skull destruction (27.3%) and intracranial invasion (13.6%). The incidence of benign and malignant lesions was significantly different (P<0.05). There was no significant difference in the density, signal, and whether there were separation, necrosis, calcification, and fat components of the lesions in the scalp occupying lesions (P>0.05). In the groups of cases, 84 cases were examined by ultrasound, 171 cases were examined by CT and 80 cases were examined by MRI, the diagnosis rate was 67.9%, 85.4%, 91.3%, respectively. Twenty-three cases were examined by enhanced scanning, the diagnosis rate was 82.6%.Conclusions: Scalp occupying lesions have relatively characteristic imaging and clinical manifestations. Enhanced MR examination has high diagnostic value and high diagnostic specificity for lesions. It is an important method to distinguish between scalp and malignant occupying lesions.
[Keywords] scalp occupying lesions；diagnostic imaging；diagnosis, differential

WANG Shuai Department of Radiology, Shengjing Hospital, China Medical University, Shenyang 110004, China; Department of Radiology, Guangzhou Women and Children Medical Center, Guangzhou 510623, China

LIU Qiang Department of Radiology, Shengjing Hospital, China Medical University, Shenyang 110004, China

LI Qi Department of Radiology, Liaoning Electric Power Center Hospital, Shenyang 110015, China

WANG Baijun Philips (China) Investment Co., Ltd. Shenyang Branch, Shenhe District, Shenyang 110013, China

PAN Shinong* Department of Radiology, Shengjing Hospital, China Medical University, Shenyang 110004, China

*Correspondence to: Pan SN, E-mail: 18940256901@vip.163.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  National Key Research and Development Plan Digital Diagnosis and Treatment Equipment Research and Development Project Fund Project NO. 2016YFC0107102 Shengjing Free Researcher Fund Project No. 201208
Received  2018-07-20
Accepted  2018-11-20
DOI: 10.12015/issn.1674-8034.2019.01.005
Cite this article as: Wang S, Liu Q, Li Q, et al. Value of imaging examination in differential diagnosis of benign and malignant scalp space-occupying lesions. Chin J Magn Reson Imaging, 2019, 10(1): 23-30. DOI:10.12015/issn.1674-8034.2019.01.005.

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