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Rous Sarcoma Virus (RSV) and Cancer

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Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models

Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models

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[Primary mediastinal sarcomas].

A Zehani¹, A Ayadi-Kaddour, H Daghfous

¹Service d'Anatomie et de Cytologie Pathologiques, Hôpital Abderrahman Mami, Ariana, Tunisie. alia.zehanikassar@yahoo.fr

Revue Des Maladies Respiratoires

|February 1, 2011

Summary

This summary is machine-generated.

Primary mediastinal sarcomas are rare tumors. This study highlights their clinical and pathological features, emphasizing that radical surgical resection and histological grade significantly impact patient prognosis.

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Tumorsphere Derivation and Treatment from Primary Tumor Cells Isolated from Mouse Rhabdomyosarcomas

Tumorsphere Derivation and Treatment from Primary Tumor Cells Isolated from Mouse Rhabdomyosarcomas

Published on: September 13, 2019

Area of Science:

Oncology
Pathology
Thoracic Surgery

Context:

Primary mediastinal sarcomas represent a rare subset of malignant mediastinal tumors, accounting for 2-8% of cases.
These tumors present unique diagnostic and therapeutic challenges due to their location and potential for invasion.

Purpose:

To elucidate the clinical presentation, radiological findings, and pathological characteristics of primary mediastinal sarcomas.
To evaluate the treatment modalities and outcomes for patients diagnosed with these rare malignancies.

Summary:

A retrospective review of 15 primary mediastinal sarcoma cases (1993-2009) revealed a mean age of 40, with predominantly respiratory symptoms.
Histological examination identified 12 malignant peripheral nerve tumors, 2 liposarcomas, and 1 angiosarcoma, with varying grades (I-III).
Treatment involved surgery (7 radical resections), chemotherapy, and radiotherapy, with 53% mortality.

Impact:

Findings underscore the necessity of a multidisciplinary approach for managing primary mediastinal sarcomas.
Prognosis is significantly influenced by the extent of surgical resection and the tumor's histological grade.