Eustachian tube teratoma and its terminological correctness

1999 ◽  
Vol 113 (3) ◽  
pp. 271-274 ◽  
Author(s):  
Carlos B. Ruah ◽  
David Cohen ◽  
Jacob Sadé
Keyword(s):  
Germ Cell ◽  
Eustachian Tube ◽  
Middle Ear ◽  
World Health ◽  
External Ear ◽  
Germ Cell Tumours ◽  
Review Of The Literature ◽  
New Classification ◽  
Health Organization

AbstractTeratomas are germ cell tumours usually found in the young and are characteristically composed of tissue foreign to the place where they arise. Two teratomas of the middle ear were first described in 1866 and since then, and to the best of our knowledge, 19 additional cases have been reported in the literature under different terms such as hairy congenital polyps, epidermoid cysts, dermoid cysts, hamartoma, cutaneous teratoma and teratomas. The difficulty in classifying germ cell tumours may explain the different terminologies encountered in the literature. The authors describe a case of teratoma of the eustachian tube presenting as a mass in the middle and external ear of a 10-week-old girl. Using this case, a review of the literature is performed in light of the new classification of germ cell tumours proposed by the World Health Organization (WHO). It is of note that most of the teratomas that present in the middle ear arise from, or involve, the eustachian tube.

scholarly journals Recently Described and Clinically Important Entities in Testis Tumors: A Selective Review of Changes Incorporated Into the 2016 Classification of the World Health Organization

2018 ◽  
Vol 143 (6) ◽  
pp. 711-721 ◽  
Author(s):  
Thomas M. Ulbright
Keyword(s):  
Germ Cell ◽  
World Health Organization ◽  
Cell Tumor ◽  
World Health ◽  
Sertoli Cell Tumor ◽  
Trophoblastic Tumor ◽  
The World ◽  
Health Organization

Context.— In 2016 the World Health Organization published a revised classification of testicular neoplasms based upon advances in understanding their pathogenesis and molecular biology. The rationale for this revision and additional clinically relevant observations were the topics of a talk given to the Houston Society of Clinical Pathologists in April 2017. This paper summarizes that talk. Objective.— To summarize and explain the most important changes to the classification of testicular neoplasms in the World Health Organization 2016 revision. Data Sources.— Peer-reviewed published literature and contributions by individuals with expertise in this area that were also reviewed by genitourinary pathologists. Conclusions.— Most changes occurred in the germ cell tumor classification, including replacement of the terms intratubular germ cell neoplasia unclassified and carcinoma in situ by germ cell neoplasia in situ; subdivision of the tumors into 2 main categories, those derived from germ cell neoplasia in situ and those not derived from germ cell neoplasia in situ; distinction of germ cell neoplasia in situ from germ cells with delayed maturation and pre–germ cell neoplasia in situ; expansion of the trophoblastic tumor category to include epithelioid trophoblastic tumor and cystic trophoblastic tumor; and substitution of spermatocytic tumor for spermatocytic seminoma and its placement in the non–germ cell neoplasia in situ group. Other revisions included eliminating sclerosing Sertoli cell tumor as a distinct entity; the recognition of intratubular hyalinizing Sertoli cell tumor; and acceptance of the role of undifferentiated gonadal tissue in the pathogenesis of gonadoblastoma.

scholarly journals Malignant Mucosal Melanoma of the Eustachian Tube With Extension Into the Ipsilateral External Ear Canal: A Case Report and Review of the Literature

2020 ◽  
pp. 014556132090481
Author(s):  
Lifeng Li ◽  
Nyall R. London ◽  
Xiaohong Chen
Keyword(s):  
Hearing Loss ◽  
Differential Diagnosis ◽  
Eustachian Tube ◽  
Middle Ear ◽  
Mucosal Melanoma ◽  
External Ear ◽  
Review Of The Literature ◽  
Ear Canal ◽  
External Ear Canal ◽  
External Canal

Mucosal melanoma arising in the middle ear or eustachian tube is uncommon. We present a patient with hearing loss and otalgia found to have mucosal melanoma which occurred in the eustachian tube with extension into the middle ear cavity and external ear canal. Otologic clinics was consulted and biopsy of the mass located at the external canal was performed to ascertain the pathological diagnosis. The patient refused immunotherapy and surgery instead of undergoing radiotherapy and died from hepatic metastasis 8 months later. The mucosal melanoma originated from the eustachian tube with extension into the external ear canal is exceedingly rare, and the differential diagnosis should be considered for tumors in external ear canal.

scholarly journals Renal-cell carcinoma – novel concepts of classification

2019 ◽  
Vol 129 (2) ◽  
pp. 61-63
Author(s):  
Maria Pyda-Karwicka ◽  
Malwina Karwicka ◽  
Magdalena Orłowska ◽  
Mariusz Krata ◽  
Agnieszka Pedrycz
Keyword(s):  
Renal Cell Carcinoma ◽  
Renal Cancer ◽  
World Health ◽  
Renal Tumors ◽  
New Classification ◽  
World Health Organization Classification ◽  
Epithelial Cancers ◽  
The World ◽  
Health Organization

Abstract Renal cancer, according to the Polish National Cancer Registry, was the cause of 4% of cancer cases in men and 3% of cases in women in 2010. Most often it affects men over 65, although it may also concern infants. In 2010, the number of reported cases for men was 2,700 and 1,900 for women. For the last three decades – up to 1990, the incidence of kidney cancer has increased significantly. Currently, it remains at the stable level of morbidity. One of the most significant issues of modern diagnostics and treatment of renal cancer is the problem of its heterogeneity brin-ging many difficulties in systematization and categorization of this neoplasm. The World Health Organization Classification of Renal Tumors has been published in 2004 and is currently supplemented with new classification units, which, according to ISUP (International Society of Urological Pathology), should be considered as separate groups of kidney epithelial cancers.

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