Temporal bone chondroblastoma: Imaging characteristics with pathologic correlation

Sun Won Park, Ji Hoon Kim, Ji Hoon Park, Kyung Chul Moon, Jin Chul Paeng, Byung Se Choi, Younghen Lee, Jae Hyoung Kim, Roh Eul Yoo, Koung Mi Kang, Soo Chin Kim, Seung Hong Choi, Tae Jin Yun, Chul Ho Sohn

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Background: Chondroblastoma commonly involves the temporal bone in the craniofacial region, but its imaging features have not been elucidated. This study aimed to describe the imaging features of temporal bone chondroblastoma with their pathologic correlation. Methods: Radiopathologic correlation was performed in 5 patients with temporal bone chondroblastoma from our database and in 11 patients identified through a PubMed search. Results: The cases of temporal bone chondroblastoma commonly involve the squamous part, temporal and infratemporal fossae, temporomandibular joint, and tympanic cavity, with the following features: high attenuation with calcification; heterogeneity; low signal intensity on T2-weighted imaging with enhancement; a smooth interface to the brain; and strong hypermetabolism on fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT. The heterogeneous low signal intensity on T2-weighted imaging was correlated with various histopathologic components, including calcification and hemosiderin deposition. Conclusion: Temporal bone chondroblastoma usually forms as an expansile, heterogeneous, hypermetabolic mass in the middle cranial fossa, frequently with low signal intensity on T2-weighted imaging, reflecting various degrees of calcification and hemosiderin deposition.

Original languageEnglish
Pages (from-to)2171-2179
Number of pages9
JournalHead and Neck
Issue number11
Publication statusPublished - 2017 Nov
Externally publishedYes


  • CT
  • MRI
  • chondroblastoma
  • fluorodeoxyglucose (FDG)
  • positron emission tomography (PET)
  • temporal bone

ASJC Scopus subject areas

  • Otorhinolaryngology


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