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Epithelioid Vascular Tumors: A Review
Wonwoo Shon1, Steven D Billings2
1Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA.
Advances in Anatomic Pathology
|February 15, 2019
Summary
Diagnosing epithelioid vascular tumors is complex, often requiring differentiation from other tumors like melanoma. Recent advances in immunohistochemistry and genetics aid in understanding these challenging vascular neoplasms.
Area of Science:
- Pathology
- Oncology
- Dermatopathology
Background:
- Epithelioid vascular tumors present significant diagnostic challenges.
- Distinguishing between various epithelioid vascular tumors is difficult.
- Differential diagnosis includes melanoma, carcinomas, and other epithelioid soft tissue tumors.
Purpose of the Study:
- To review and update basic concepts of epithelioid vascular tumors.
- To highlight recent advancements in diagnostic tools for these tumors.
- To provide a concise overview of key entities in this category.
Main Methods:
- Literature review focusing on recent advancements.
- Synthesis of current knowledge on epithelioid vascular tumors.
- Discussion of immunohistochemical markers and genetic characterization.
Main Results:
- Epithelioid vascular tumors are diagnostically challenging.
- Immunohistochemistry and genetic data improve understanding.
- Key entities reviewed include epithelioid hemangioma, epithelioid angiomatous nodule, pseudomyogenic hemangioendothelioma, composite hemangioendothelioma, epithelioid hemangioendothelioma, and epithelioid angiosarcoma.
Conclusions:
- Accurate diagnosis of epithelioid vascular tumors requires careful consideration of differential diagnoses.
- Ongoing research in molecular and immunohistochemical markers is crucial.
- This review provides a foundational update for pathologists and oncologists.
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