Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint

We present a case involving a late diagnosis of chondroblastoma of the temporal skull base involving the temporomandibular joint (TMJ). Following an initial misdiagnosis and unsuccessful treatment over a period of 5 years, the patient was referred to our department for further evaluation and possibl...

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Main Authors: Junkichi Yokoyama, Hitoshi Yoshimoto, Shin Ito, Shinichi Ohba, Mitsuhisa Fujimaki, Katsuhisa Ikeda, Masaki Yazawa, Nozomi Fujimiya, Makoto Hanaguri
Format: Article
Language:English
Published: Karger Publishers 2011-02-01
Series:Case Reports in Oncology
Subjects:
Online Access:http://www.karger.com/Article/FullText/324640
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author Junkichi Yokoyama
Hitoshi Yoshimoto
Shin Ito
Shinichi Ohba
Mitsuhisa Fujimaki
Katsuhisa Ikeda
Masaki Yazawa
Nozomi Fujimiya
Makoto Hanaguri
author_facet Junkichi Yokoyama
Hitoshi Yoshimoto
Shin Ito
Shinichi Ohba
Mitsuhisa Fujimaki
Katsuhisa Ikeda
Masaki Yazawa
Nozomi Fujimiya
Makoto Hanaguri
author_sort Junkichi Yokoyama
collection DOAJ
description We present a case involving a late diagnosis of chondroblastoma of the temporal skull base involving the temporomandibular joint (TMJ). Following an initial misdiagnosis and unsuccessful treatment over a period of 5 years, the patient was referred to our department for further evaluation and possible surgical intervention for occlusal abnormalities, trismus, clicking of the TMJ, and hearing impairment. Based on preoperative immunochemical studies showing positive reaction of multinucleated giant cells for S-100 protein, the final diagnosis was chondroblastoma. The surgical approach – postauricular incision and total parotidectomy, with complete removal of the temporal bone, including the TMJ via the extended middle fossa – was successful in preserving facial nerves and diminishing clinical manifestations. This study highlights a misdiagnosed case in an effort to underline the importance of medical examinations and accurate differential diagnosis in cases involving any tumor mass in the temporal bone.
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spelling doaj.art-a276984f983e4d9b939ebd6b6dd4b8dd2022-12-22T02:54:02ZengKarger PublishersCase Reports in Oncology1662-65752011-02-0141748110.1159/000324640324640Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular JointJunkichi YokoyamaHitoshi YoshimotoShin ItoShinichi OhbaMitsuhisa FujimakiKatsuhisa IkedaMasaki YazawaNozomi FujimiyaMakoto HanaguriWe present a case involving a late diagnosis of chondroblastoma of the temporal skull base involving the temporomandibular joint (TMJ). Following an initial misdiagnosis and unsuccessful treatment over a period of 5 years, the patient was referred to our department for further evaluation and possible surgical intervention for occlusal abnormalities, trismus, clicking of the TMJ, and hearing impairment. Based on preoperative immunochemical studies showing positive reaction of multinucleated giant cells for S-100 protein, the final diagnosis was chondroblastoma. The surgical approach – postauricular incision and total parotidectomy, with complete removal of the temporal bone, including the TMJ via the extended middle fossa – was successful in preserving facial nerves and diminishing clinical manifestations. This study highlights a misdiagnosed case in an effort to underline the importance of medical examinations and accurate differential diagnosis in cases involving any tumor mass in the temporal bone.http://www.karger.com/Article/FullText/324640ChondroblastomaParotidectomyTemporal boneTemporomandibular jointTrismus
spellingShingle Junkichi Yokoyama
Hitoshi Yoshimoto
Shin Ito
Shinichi Ohba
Mitsuhisa Fujimaki
Katsuhisa Ikeda
Masaki Yazawa
Nozomi Fujimiya
Makoto Hanaguri
Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
Case Reports in Oncology
Chondroblastoma
Parotidectomy
Temporal bone
Temporomandibular joint
Trismus
title Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
title_full Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
title_fullStr Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
title_full_unstemmed Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
title_short Successful Function-Preserving Therapy for Chondroblastoma of the Temporal Bone Involving the Temporomandibular Joint
title_sort successful function preserving therapy for chondroblastoma of the temporal bone involving the temporomandibular joint
topic Chondroblastoma
Parotidectomy
Temporal bone
Temporomandibular joint
Trismus
url http://www.karger.com/Article/FullText/324640
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