ear teratoma; a case report
نویسندگان
چکیده
teratomas are tumors originated from mature or immature tissues. teratomas are made up of one embryonic layer or all three embryonic layers (endoderm, mesoderm, or ectoderm). herein we report a 41-year-old man who presented with vertigo, vomiting, and tinnitus. after physical examination, laboratory evaluation and performing computed tomography, cholesteatoma was diagnosed, however, during radical mastoidectomy a cystic tumor was found. the result of pathology proved middle ear and mastoid teratoma.
منابع مشابه
Ear Teratoma; a Case Report
Teratomas are tumors originated from mature or immature tissues. Teratomas are made up of one embryonic layer or all three embryonic layers (endoderm, mesoderm, or ectoderm). Herein we report a 41-year-old man who presented with vertigo, vomiting, and tinnitus. After physical examination, laboratory evaluation and performing computed tomography, cholesteatoma was diagnosed, however, during radi...
متن کاملSacrococcygeal Teratoma: A Case Report
Background: Neonatal tumors are usually prenatally diagnosed or within the irst 30 days of life. The true incidence ofneonatal tumors is unknown as a great number of pregnancies with a prenatally diagnosed mass result in stillbirth ormiscarriage. Most solid neonatal tumors are benign whereas less than 50% of neonatal neoplasms are malignant;however, some tumors with malignant ...
متن کاملImmature Teratoma of Nasal Septum: A Case Report
Introduction: Teratomas are neoplastic tumors derived from totipotent germ cells containing a wide assortment of tissues originating from all three germ cell layers. Teratomas can be mature or immature depending on the presence of immature tissues; typically neuroepithelial tissue. Immature teratomas can be oncologically benign or malignant, and can be divided into three grades with increasingl...
متن کاملIntrapulmonary teratoma CASE REPORT
Teratomata arise, in order of frequency, in the ovaries, testes, anterior mediastinum, retroperitoneal region, presacral and coccygeal regions, pineal and other intracranial sites, neck, and abdominal viscera other than the gonads (Willis, 1951). Mediastinal teratomata rank third among all teratoid tumours and are the second most common mediastinal tumours (Inada and Nakano, 1958). The majority...
متن کاملMiddle Ear Salivary Gland Choristoma: A Case Report
Salivary gland choristoma of the middle ear cavity is a very rare condition. These lesions are a result of a defective embryonic development and their adjacent structures may be associated with abnormalities. Here we report a case of salivary gland choristoma of the middle ear who presented to Be’sat Hospital, Tehran, Iran in 2015 with unilateral conductive hearing loss. There are 41 case repor...
متن کاملRectal Teratoma coexistent with an Ovarian Teratoma: A Case Report
the three germinal layers. Although teratomas involving the ovary, testicle, and retroperitoneum are frequently found, rectal involvement is extremely rare. There have only been about 50 cases of primary rectal teratoma reported since 1864 (1). Herein, we present the radiologic features of a rectal teratoma that was identified with an asymptomatic ovarian teratoma and correctly diagnosed preope...
متن کاملمنابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
iranian journal of medical sciencesجلد ۳۲، شماره ۳، صفحات ۱۸۸-۰
میزبانی شده توسط پلتفرم ابری doprax.com
copyright © 2015-2023