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Published on: September 9, 2020
Metastatic carcinoma of the temporal bone
1Department of Otolaryngology, Medical College of Virginia/Virginia Commonwealth University, Richmond 23298, USA.
The American Journal of Otology
|September 1, 1996
Summary
Metastatic carcinoma of the temporal bone is rare and often missed. Consider temporal bone metastases in patients with unexplained cochleovestibular or facial nerve symptoms.
Area of Science:
- Neuro-oncology
- Otolaryngology
- Pathology
Background:
- Metastatic carcinoma involving the temporal bone is an uncommon clinical finding.
- Diagnosis is frequently delayed due to asymptomatic presentation or overshadowing by other metastatic disease.
- Standard metastatic workups and autopsy protocols often omit temporal bone evaluation.
Observation:
- Two case reports detail metastasis to the internal auditory canal.
- A literature review analyzed 139 patients with temporal bone metastases.
- Analysis focused on tumor types, specific temporal bone locations, and clinical manifestations.
Findings:
- Metastases can occur in various sites within the temporal bone.
- Common primary sites include lung, breast, prostate, and kidney cancers.
- Symptoms may include hearing loss, vertigo, tinnitus, and facial nerve palsy.
Implications:
- Temporal bone metastasis should be considered in the differential diagnosis of cranial nerve disorders.
- Increased awareness may improve diagnostic accuracy and patient management.
- Further research is needed to elucidate optimal imaging and treatment strategies.
