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Journal Article
Review
Histopathological features of giant mediastinal tumors-a literature review.
Mediastinum 2023
BACKGROUND AND OBJECTIVE: Mediastinal lesions are uncommon. However, because of the vital structures in the mediastinum, large lesions specifically can lead to life-threatening situations. Treatment and management vary considerably with the disease. Therefore, the correct histopathologic diagnosis is important. Here we review lesions that have the potential to present as a giant lesion in the mediastinum. While we focus on the review of histopathologic, immunohistochemical (IHC), and molecular features of these lesions, clinical symptoms and characteristics and prognosis will also be discussed.
METHODS: "Giant" was arbitrarily defined as a size of at least 10 cm in greatest dimension. The 2021 World Health Organization (WHO) classification of mediastinal tumors was searched for tumors reported to be larger than 10 cm. Tumors that can present as giant mediastinal lesions based on our own experience were also included. PubMed search was then performed for these lesions.
KEY CONTENT AND FINDINGS: A great variety of mediastinal lesions can present as giant mass. Those include for instance tumors of blood and lymph vessels, tumors of neurogenic origin, mesenchymal neoplasms, thymic epithelial tumors (TETs), and non-neoplastic cysts. Lesions range from benign to malignant. This review focuses on the most common lesions.
CONCLUSIONS: Many benign and malignant lesions can become a large mass in the mediastinum. Their correct diagnosis is important for the treatment and management of the patient.
METHODS: "Giant" was arbitrarily defined as a size of at least 10 cm in greatest dimension. The 2021 World Health Organization (WHO) classification of mediastinal tumors was searched for tumors reported to be larger than 10 cm. Tumors that can present as giant mediastinal lesions based on our own experience were also included. PubMed search was then performed for these lesions.
KEY CONTENT AND FINDINGS: A great variety of mediastinal lesions can present as giant mass. Those include for instance tumors of blood and lymph vessels, tumors of neurogenic origin, mesenchymal neoplasms, thymic epithelial tumors (TETs), and non-neoplastic cysts. Lesions range from benign to malignant. This review focuses on the most common lesions.
CONCLUSIONS: Many benign and malignant lesions can become a large mass in the mediastinum. Their correct diagnosis is important for the treatment and management of the patient.
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