Imamura K, Hosoya M, Kasuya K, Shimanuki MN, Shinden S, Ogawa K, Oishi N. Labyrinthine destruction caused by inflammatory pseudotumor of the temporal bone: A report of three cases and review of the literature.
Laryngoscope Investig Otolaryngol 2021;
6:857-865. [PMID:
34401513 PMCID:
PMC8356880 DOI:
10.1002/lio2.609]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/12/2021] [Accepted: 06/16/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND
Inflammatory pseudotumors (IPTs) are rare, idiopathic, and inflammatory lesions that are histopathologically benign. Here, we present three cases of labyrinthine destruction caused by an IPT.
METHODS
The first patient was a 74-year-old male with a mass lesion extending from the inner ear to the external ear canal. The second patient was a 62-year-old female with a foliated polycystic lesion in the petrous bone on the dorsal side of the left internal auditory canal. The third patient was a 68-year-old female with a mass extending from the inner ear to the middle ear, destroying the semicircular canal and cochlea.
RESULTS
In two cases, we performed surgical resection successfully with no recurrence. In the other case, the lesion showed shrinkage after chemotherapy for colorectal cancer incidentally found during the examination process.
CONCLUSION
Surgical technique and indication for IPT should be based on the location and function of the lesion. In addition, there is room to consider pharmacotherapy as a treatment option for IPT of the temporal bone.
LEVEL OF EVIDENCE
4.
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