Diagnosis of intracranial dermoid cyst with spiral CT

VernacularTitle:颅内皮样囊肿螺旋CT诊断价值
Author: Jiming CHEN ; Hairong SONG ; Beilong XI ; Guoqing BAI ; Shuanggang WANG
Publication Type:Journal Article
Keywords: Brain neoplasm; Dermoid cyst; Tomography,spiral computed
From: Cancer Research and Clinic 2015;27(3):195-197
CountryChina
Language:Chinese
Abstract: Objective To explore diagnosis value of spiral CT on intracranial dermoid cyst based on retrospective analysis.Methods 10 cases of intracranial dermoid cyst were enrolled in and confirmed by surgery and pathology.The retrospective analysis was based on the CT manifestations,causes,pathological and clinical features.Results Among the 10 cases,5 lesions were located in the posterior cranial fossa,3 in besides saddle,1 in up saddle and 1 in the temporal fossa.The morphology of nidus was round or round like with clear boundary.There was no edema around the nidus.Fat was found in 7 cases appeared hypodensity with insufficiency uniformity on CT,and the density was lower than that of cerebrospinal fluid with CT value ranged from-6 HU to 80 HU.There was a few calcification on the edge in 1 case.Hyperdensity irregular and lumpy hair-liked shadow was found in 2 hypodensity cases.1 lesion closed to the cranial plate was compressed thin and buckled.Conclusions Intracranial dermoid cyst has typical CT manifestations.It will be an accurate diagnosis based on clinical analysis and CT manifestations.