我的头越来越大:CT头部临床图像显示的有原因的头大症

Lillian Jundi, A. Sathe, N. Lai, F. Lui
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摘要

一名19岁男子的BMI为23.8 kg/m2(5英尺7英寸;152磅),他担心3年来头部逐渐增大,导致帽子尺寸增加。该患者符合巨头畸形的标准,因为他的头围为62厘米,高于其年龄的第97百分位[1]。CT头显示颞肌、咬肌和翼内侧肌的双侧均匀肥大,没有肿瘤过程的证据(图1、图2和图3)。虽然遗传综合征可能是头围超出范围的原因,但家庭和环境因素可能会导致变异[2,3]。在这种情况下,患者的病史显示其从青春期开始就有磨牙症病史,但没有发现其他身体或发育异常。因此,我们的病例表明磨牙症和随后的咀嚼肌肥大是另一个可能导致小头症的原因。
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My Head is Getting Bigger: Macrocephaly with Cause Shown on CT Head – Clinical Image
A 19-year-old man with a BMI of 23.8 kg/m2 (5 ft 7 in; 152 lbs) presented with the concern of 3 years of progressively enlarging head leading to an increase in hat size. The patient fulfilled the criteria for macrocephaly as his head circumference was 62 cm, which was above the 97th percentile for his age [1]. CT head revealed homogeneous bilateral hypertrophy of the temporalis, masseter, and medial pterygoid muscles with no evidence of a neoplastic process (Fig-1, Fig-2, and Fig-3). While genetic syndromes can be a cause of out-of-range head circumference, familial and environmental factors can contribute to variations [2,3]. In this case, the patient’s history revealed a history of bruxism since adolescence, however, no other physical or developmental abnormalities were noted. As a result, our case demonstrates bruxism and subsequent masticatory muscle hypertrophy as another possible cause of macrocephaly.
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