Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 25 Δεκεμβρίου 2018

Primary Ewing sarcoma of the squamous temporal bone with intracranial and extracranial extension: A rare cause of sudden sensorineural hearing loss

Abstract

Background

Primary Ewing sarcoma of the cranial bone is rare, accounting for only 1% of all Ewing sarcomas. Primary Ewing sarcoma arising in the squamous temporal bone is particularly rare.

Methods

A 16‐year‐old male was seen with signs of sudden sensorineural hearing loss (SSNHL). After 1 week of SSNHL and new‐onset headache, imaging studies showed a mass that originated in the left squamous temporal bone with intracranial and extracranial extension. Histopathological study revealed that the mass was a Ewing sarcoma.

Results

The patient manifested the diagnostic EWSR1 mutation and was treated with adjuvant multidrug chemotherapy and focal radiotherapy after surgery according to the Children's Oncology Group interval compression arm of AEWS0031 with a regimen of vincristine, doxorubicin, and cyclophosphamide alternating with ifosfamide/etoposide.

Conclusions

This case showed an extremely uncommon location, as well as unusual symptoms of primary Ewing sarcoma.



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