Intralabyrinthine meningioma.

نویسندگان

  • Todd R Aho
  • C Phillip Daspit
  • Bruce L Dean
  • Robert C Wallace
چکیده

An 18-year-old female patient with unilateral hearing loss underwent evaluation with CT and MR imaging. A partially ossified, enhancing lesion in the bony labyrinth, with replacement of adjacent structures, was identified. Surgical biopsy revealed a meningioma arising primarily within the bony labyrinth. To our knowledge, this entity has not been previously described.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Congenital Intralabyrinthine Cholesteatoma

A patient with a congenital intralabyrinthine cholesteatoma is presented. High-resolution computerized tomographic scans and intraoperative photomicrographs display features of intralabyrinthine extension. We discuss pathogenetic theories for the development of congenital intralabyrinthine cholesteatoma. The distinction of this condition from congenital cholesteatoma with labyrinthine erosion i...

متن کامل

Imaging and clinical characteristics of temporal bone meningioma.

BACKGROUND AND PURPOSE Imaging characteristics of temporal bone meningioma have not been previously reported in the literature. CT and MR imaging findings in 13 cases of temporal bone meningioma are reviewed to define specific imaging features. METHODS A retrospective review of our institutional case archive revealed 13 cases of histologically confirmed temporal bone meningioma. CT and MR ima...

متن کامل

Recovery of hearing after surgical removal of intralabyrinthine schwannoma.

Intralabyrinthine schwannomas (ILSs) are rare benign tumors arising from the distal part of the cochleovestibular nerve confined within the labyrinth. Patients with ILSs complain of hearing loss, vertigo, tinnitus, and ear fullness. Surgical treatment of ILS is performed in special cases such as in cases of patients with nonserviceable hearing, progressive hearing loss, intractable vertigo, or ...

متن کامل

Mechanisms of Hearing Loss in Neurofibromatosis Type 2

INTRODUCTION Patients with neurofibromatosis type 2 (NF2) develop bilateral cochleovestibular schwannomas (CVSs) that cause binaural deafness in most individuals. Hearing loss occurs in an unpredictable manner and the underlying mechanisms are not known. To gain insight into the pathophysiologic basis for hearing loss in NF2, we performed a prospective cross-sectional study of untreated ears in...

متن کامل

Tumors of the ear and lateral skull base: part 2.

Over the past 100 years, the evaluation and management of lateral skull base tumors have evolved tremendously. While most pathology involving the temporal bone and cerebellopontine angle is histologically benign, significant morbidity may occur as a result of disease progression or treatment. At the turn of the twentieth century, mortality from cerebellopontine angle tumor extirpation exceeded ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • AJNR. American journal of neuroradiology

دوره 24 8  شماره 

صفحات  -

تاریخ انتشار 2003