Extracranial pneumatocele of the mastoid.
Hsu
Chi-Hsiang
CH
Department of Otolaryngology, Taipei Medical University Hospital, Taipei, Taiwan, Republic of China.
Chiang
Yuh-Chyun
YC
Hsu
Hsin-Te
HT
Tseng
Te-Ming
TM
Lee
Fei-Peng
FP
D006801:Humans; D008297:Male; D008416:Mastoid / Q000000981:diagnostic imaging*; D011007:Pneumocephalus / Q000000981:diagnostic imaging*; D011859:Radiography; D055815:Young Adult