Fonticulus mastoideus

例句：

1. 1. The patient was diagnosed with a Fonticulus mastoideus tumor.
   患者被诊断出患有大椎骨肿瘤。
2. 2. During surgery, the surgeon removed the Fonticulus mastoideus to remove the tumor.
   在手术过程中，外科医生切除了大椎骨以去除肿瘤。
3. 3. The patient's recovery was slow due to the extensive damage to the Fonticulus mastoideus.
   由于大椎骨受到严重损伤，患者的康复进展缓慢。